LAND ROVER FRELANDER 2 2006 Manual PDF

DT CDescriptionPossible CausesAction
Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code reoccurs checkand ins tal l a new fuel fired boos t er heatermodul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D26-93Combust ion Ai rBlower - nooperati on
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code reoccurs checkand ins tal l a new fuel fired boos t er heatermodul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D27-11Heater Coolant Pump- circui t short toground
Heat er cool ant pump ci rcuits hort to groundHeat er cool ant pump fail ure
Refer to the el ect ri cal circui t diagrams andcheck t he fuel fi red boos ter heater water pumpand ci rcuit for short to groundRepai r the circui t or check and ins t al l a new fuelfi red boos ter heat er water pump as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er Cool ant Pump (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D27-15Heater Coolant Pump- circui t short tobatt ery or open
Heat er cool ant pump ci rcuits hort to power, open ci rcuitHeat er cool ant pump fail ure
Refer to the el ect ri cal circui t diagrams andcheck t he fuel fi red boos ter heater water pumpand ci rcuit for short to power, open ci rcuitRepai r the circui t or check and ins t al l a new fuelfi red boos ter heat er water pump as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er Cool ant Pump (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D28-11Fuel Pre-heater -circuit short toground
• NOTE: The pre heat i s performedby the ignit ion gl ow plug
Fuel fired boos t er heaterglow pl ug int ernal fault
Carry out ci rcuit checks , ins pect t he glow pl ugcables and connect orCheck and i ns t all a new fuel fi red boost erheat er glow plug as requi red For addi ti onalinformati on, refer t o: Fuel Fired Boos t er Heat erGlow Pl ug And Burner As sembl y (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion

DT CDescriptionPossible CausesAction
B1D28-15Fuel Pre-heater -circuit short tobatt ery or open
• NOTE: The pre heat i s performedby the ignit ion gl ow plug
Fuel fired boos t er heaterglow pl ug int ernal fault
Carry out ci rcuit checks , ins pect t he glow pl ugcables and connect orCheck and i ns t all a new fuel fi red boost erheat er glow plug as requi red For addi ti onalinformati on, refer t o: Fuel Fired Boos t er Heat erGlow Pl ug And Burner As sembl y (412-02BAuxi liary Cli mate Cont rol , Removal andIns tal lat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D29-93No St art , Even AfterRest art At t empt - nooperati on
No fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o fuel fired boos ter heatermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D30-93No St art In TestMode - no operat ionNo fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o fuel fired boos ter heatermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D31-94Flame Det ect ed Priort o Normal Operat ion- unexpectedoperati on
• NOTE: The glow pl ug and fl ames ens or are a combi ned uni t
Glow pl ug circui t fault
Check exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCarry out ci rcuit checks , ins pect t he glow pl ugcables and connect or. Repair t he ci rcuit or checkand ins tal l a new fuel fired boos t er heater glowplug as requi red For addit ional i nformati on,refer t o: Fuel Fired Boost er Heat er Glow PlugAnd Burner Ass embly (412-02B Auxil iary Cli mateCont rol , Removal and Ins t allat ion).Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D32-92Mult ipl e FlameInt errupt ion DuringHeati ng Cycl e -performance orincorrect operat ion
No fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o Fuel fired boos t er heat ermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion

DT CDescriptionPossible CausesAction
B1D33-92Flame Int errupt ionDuri ng NormalOperat ion -performance orincorrect operat ion
No fuel pres ent at fuel fi redboos t er heat er modul eExhaus t sys t em blockedAir i nt ake blocked
Check vehicle fuel levelCheck fuel l ines t o fuel fired boos ter heatermodul e for bl ockage, ki nki ng or damageCheck exhaus t s yst em and ai r int ake forblockage, ki nki ng or damageCheck fuel for aerati on and correct fuel deliveryCheck vehicle i s not parked on an i ncl ine whenparking heater i s operatedUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D34-68Heater In Lock O utMode - eventinformat ion
Fuel fired boos t er heaters ys t em faul t• NOTE: For i nformati on onl y, recti fy ot her s t ored fuelfi red boos ter heat er diagnos t ic t rouble codes pri or tothi s diagnos t ic t rouble code
Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
B1D63-11External ControlRelay - circui t s hortt o ground
Fuel fired boos t er heatermodule failureCheck and i ns t all a new fuel fi red boost erheat er modul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
B1D63-15External ControlRelay - circui t s hortt o batt ery or open
Fuel fired boos t er heatermodule failureCheck and i ns t all a new fuel fi red boost erheat er modul e as requi redFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
U0010-00Medium Speed CANCommunicati on Bus -no s ub t ypeinformat ion
Medium speed CANcommuni cat ion bus offUsi ng t he manufacturer approved diagnost icsys t em, compl et e a CAN network int egrit y t est
U0028-08VehicleCommunicati on BusA - Bus Si gnal /Mes sage Fail ures
Medium speed CANcommuni cat ion bus offFuel fired boos t er heatermodule failure
Usi ng t he manufacturer approved diagnost icsys t em, compl et e a CAN network int egrit y t est
U0300-00Int ernal Cont rolModule Soft wareIncompati bili ty - nos ub type i nformati on
Fuel fired boos t er heatermodule not configured orincorrect ly confi gured
Re-configure the fuel fi red boost er heat ermodul e us ing t he manufacturer approveddiagnos t ic s yst em (Moduleprogramming/Confi gure exis t ingmodul e/Auxil iary heat er control modul e)
U1A37-87Cras h St atusTelegram Bus Signal/ Mes sage Fail uresMis s ing mess age
Cras h s ignal received overCAN network• NOTE: Event i nformat ion - the rest rai nts controlmodul e has recorded a cras h event
Usi ng t he manufacturer approved diagnost icsys t em, check other modules for relat eddiagnos t ic t rouble codes
U2101-00Control ModuleConfigurat ionIncompati ble - nos ub type i nformati on
Fuel fired boos t er heatermodule not configured orincorrect ly confi guredCent ral junct ion box notconfigured correct ly
Usi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code returnsUsi ng t he manufacturer approved diagnost icsys t em check and up-dat e t he car confi gurati onfi le as requi redRe-configure the Fuel fi red boos ter heatermodul e us ing t he manufacturer approveddiagnos t ic s yst em

DT CDescriptionPossible CausesAction
Check for st ored di agnos ti c troubl e codesCheck for correct operat ion
U3000-16Control Module -circuit vol tage belowt hreshol d
Fuel fired boos t er heatermodule power circuit faultBatt ery/charging sys temfault
Check ot her modules for rel at ed diagnos ti ctroubl e codesIf ot her modul es cont ai n l ow volt age relat eddiagnos t ic t rouble codes, s us pect a commoncaus e (bat t ery/charging s ys tem fault )If not , refer t o t he electrical ci rcuit diagramsand check t he power and ground ci rcuit s to thefuel fi red boos ter heater moduleCheck for st ored di agnos ti c troubl e codesCheck for correct operat ion
U3000-17Control Module -circuit vol tage abovet hreshol d
Charging s ys tem faultFuel fired boos t er heatermodule failure
Check ot her modules for rel at ed diagnos ti ctroubl e codesIf ot her modul es cont ai n high vol tage rel ateddiagnos t ic t rouble codes, s us pect a commoncaus e (bat t ery/charging s ys tem fault )If not , refer t o t he electrical ci rcuit diagramsand check t he power and ground ci rcuit s to thefuel fi red boos ter heater moduleCheck for st ored di agnos ti c troubl e codesCheck for correct operat ion
U3000-43Control Module -s pecial memoryfai lure
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code returnsIns tal l a new fuel fired boos t er heat er modul eas requiredFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
U3000-49Control Module -int ernal elect roni cfai lure
Fuel fired boos t er heatermodule failureUsi ng t he manufacturer approved diagnost icsys t em, record t hen clear any st ored di agnos ti ctroubl e codes t hen conduct the fuel fi redboos t er heater operation test (Set up andconfigurat ion/auxili ary heat er/operat ion t es t)Check for reoccurrence of t he diagnost ic troubl ecodeIf t he diagnost ic troubl e code returnsIns tal l a new fuel fired boos t er heat er modul eas requiredFor addit ional informati on, refer t o: Fuel FiredBoos t er Heat er (412-02B Auxil iary Climat eCont rol , Removal and Ins t allat ion).Refer to the warrant y policy and proceduresmanual , or det ermi ne if any prior approvalprogramme is in operat ion, pri or t o t heins tal lati on of a new modul e/component
U3003-62Batt ery Vol tage -s ignal comparefai lure
There i s a difference ofmore than 2 vol ts bet weenthe power s uppl y t o t he fuelfi red boos ter heater and t hebat t ery volt age val uebroadcas t via t he CAN bus
Check ot her modules for rel at ed diagnos ti ctroubl e codesIf ot her modul es cont ai n volt age relat eddiagnos t ic t rouble codes, s us pect a commoncaus e (bat t ery/charging s ys tem fault )If not , refer t o t he electrical ci rcuit diagramsand check t he power and ground ci rcuit s to thefuel fi red boos ter heater module

Publ is hed: 27-Apr-2011
General Information - Diagnostic Trouble Code (DTC) IndexDTC: Terrain
Response Control Module (ATCM)
Des cript ion and Operat ion
Inspection and Verification
CAUTION: Di agnos is by s ubs ti tut ion from a donor vehicle is NO T acceptabl e. Subs ti tut ion of cont rol modules doesnot guarant ee confirmat ion of a faul t, and may als o caus e addit ional fault s i n t he vehi cl e being t est ed and/or t he donorvehi cl e.
1. Verify t he cus t omer concern.1.
2. Vis ually ins pect for obvious s igns of mechani cal or electrical damage.2.
Visual InspectionMechanicalElectrical
* Ti re condit ion, pres sures, et cDriveline, Engine, Transmis s ion, Sus pensi on,component s (correct ins tall ati on, damage, etc)
Fus esHarness es /Connect orsTerrai n res pons e modul eEngi ne Cont rol Module (ECM)Transmis s ion Control Modul e (TCM)Ant i-Lock Brake Sys t em control modul eAct ive On-demand cont rol moduleDynami c s us pensi on cont rol module * Controllerarea network (CAN) ci rcuit s
3. If an obvious cause for an obs erved or report ed concern is found, correct t he caus e (if pos s ible) beforeproceeding t o t he next s t ep.3.
4. If t he caus e is not vis ually evi dent , check for Di agnos ti c Trouble Codes (DTCs) and refer t o t he DTC Index.4.
DTC Index
• NOTE: If the control modul e/t rans mis s ion i s s uspect and the vehicle remai ns under manufacturer warrant y, refer t o t heW arranty Pol icy and Procedures manual (s ect ion B1.2), or determine i f any pri or approval programme is in operat ion, pri ort o the ins tall ati on of a new module/transmis s ion.
• NOTE: Generic scan t ool s may not read the codes li st ed, or may read only fi ve digit codes . Mat ch the five di git s from t hes can tool to the firs t fi ve di git s of the seven digi t code l is ted to ident ify t he faul t (t he las t t wo digi ts gi ve addi ti onalinformat ion read by the manufact urer approved diagnos t ic s ys tem).
• NOTE: W hen performing el ect ri cal volt age or resi s tance tes t s, al ways us e a digit al mult imet er (DMM) accurate to threedeci mal places , and wi th an up-to-date cali brat ion cert ificate. W hen t es ti ng res is t ance, always take t he res i st ance of t heDMM leads int o account.
• NOTE: Check and recti fy bas ic faul ts before beginni ng diagnos t ic rout ines i nvol vi ng pinpoint t es t s.
• NOTE: Ins pect connect ors for s igns of water ingres s , and pins for damage and/or corros ion.
• NOTE: If DTCs are recorded and, aft er performi ng the pi npoi nt tes ts , a fault is not present , an int ermi tt ent concern maybe t he caus e. Always check for loose connect ions and corroded terminals .
Des cript ion And Operat ion
For a detail ed descripti on of the Terrain Respons e s ys t em, refer t o t he rel evant Descript ion and Operat ion secti on in theworks hop manual .For addit ional informat ion, refer t o: Ride and Handli ng Opti mizat ion (204-06 Ride and Handli ng Opt imi zat ion, Descripti onand Operat ion).
Terrain Response C ontrol ModuleDT CDescriptionPossible CauseAction
C1A00-46Control Module -cal ibrat ion /paramet ermemory fai lure
The Terrain Res ponseCont rol Modul e hasi ndi cat ed a cali brat ion /paramet er memoryfail ure for embeddeds ys tems us i ng FLASHmemory. Thi s i sequivalent t o EEPROM inRAM/ROM/EEPROMembedded s ys t emsCorrupti on in thenon-volat il e memorys t orage s yst em(EEPROM) in t he TerrainRes pons e Cont rolModule
Rect ify thi s DTC before att empti ng t o rect ify others . Recordal l DTCs logged and clear them. W it h ignit ion on sel ect aterrain res pons e s peci al program, t urn off the i gnit ion, thenturn back on the i gni ti on and veri fy t he s elected s peci alprogram is s t il l act ive. If t he s el ect ed t errai n res ponsespecial program is not s t il l act ive and has ret urned t o t hegeneral program, confirm i f DTC has ret urned. Repeatprocedure agai n once more. If DTC is st il l pres ent i nst all anew terrai n res pons e rotary cont rol and control modul e. Referto the warranty pol icy and procedures manual if a module issus pect

DT CDescriptionPossible CauseAction
C1A01-96LED Circui t -componentint ernal fail ure
Terrain res pons e rotarycontrol and controlmodul e - LED s hortcircui t t o groundTerrain res pons e rotarycontrol and controlmodul e - LED opencircui t
• NOTE: If t he s yst em i s i n 'fails afe default mode due t oanot her i s sue no LEDs will i ll uminate. This fault does notcaus e t he s ys t em t o go t o 'fail safe default '.
Refer to the Des cri pt ion and Operati on s ect ion of works hopmanual . Check t errai n res ponse s ys t em, special programLEDs . One or more of the LEDs i s s uspected of notill uminat ing as appropri ate. W it h the engi ne running movethe t errain respons e rot ary control through al l fi ve programsand confi rm t he appropriat e s peci al program LED does notill uminat e when t he terrain res pons e rotary cont rol i s in thatpos it ion. Sus pect t he terrain res pons e rotary cont rol andcont rol module, check and ins t al l a new t errain respons erot ary cont rol and control modul e as required, refer t o t henew module/component i nst all ati on not e at t he t op of theDTC Index.
C1A02-94Rotary EncoderStuck InInt ermedi at ePosi ti on -unexpectedoperati on
The t errain respons erotary cont rol is hel d i nan intermediate pos i ti on(between t he s peci alprograms ) for more t han60 secondsForei gn objectprevent ing correctoperat ion of t errai nrespons e rot ary controlMechani cal damage t ot he t errai n res ponserotary cont rol
• NOTE: Sus pect driver error do not replace the terrainres pons e rotary cont rol at thi s t ime
Check for forei gn object prevent ing correct operat ion ofterrain res pons e rotary cont rol. St art t he vehi cle engine,rot at e t he t errai n res ponse rot ary control unt il it has l ocat eda genui ne detent, wai t 60 s econds. St op t he vehi cl e engine,cl ear t he DTC and retes t
U0073-88Control ModuleCommunicati onBus "A" Off - busoff
Bus off. The TerrainRes pons e Cont rolModule has det ect ed t hedat a bus is not avail abl eCAN bus open ci rcuitCAN bus short ci rcuit t ogroundCAN bus short ci rcuit t opowerFail ure of anothercontrol modul e on t heCAN bus
Refer to el ect ri cal circui t diagrams , check CAN ci rcuit for openci rcuit , short to ground, s hort t o power, repai r/renew asneces sary. Us i ng the manufact urer approved diagnos t icsys tem, carry out network int egrit y t est . Check t he s yst em isoperat ing correctl y and the DTC does not return.
U0100-87LostCommunicati onW i th ECM/PCM "A"- mi ss i ngmes s age
The Terrain Res ponseCont rol Modul e has notrecei ved one or moreexpect ed mes s ages fromt he Engine ControlModuleHi gh s peed CAN circuitcommunicat ions fai lureOpen ci rcuit EngineCont rol Modul e,powerfeedOpen ci rcuit EngineCont rol Modul e, grounds upplyEngine Cont rol Modul edi sconnect ed from t hehi gh s peed CANcommunicat ion busOpen ci rcuit EngineCont rol Modul e highs peed CAN l ow circui tOpen ci rcuit EngineCont rol Modul e highs peed CAN hi gh ci rcuitEngine Cont rol Modul enot configuredEngine Cont rol Modul efail ure
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Engine Cont rol Modul e for DTCs and refer t o t he rel evantDTC index. Usi ng the manufact urer approved diagnos t icsys tem, carry out network int egrit y t est . Us ing t hemanufact urer approved diagnos t ic s ys tem, re-configure t heEngi ne Cont rol Module. Refer t o electrical ci rcuit diagrams,check power feed and ground s uppl ies , to Engi ne Cont rolModul e for open circui t. Check for open circuit Engine Cont rolModul e high s peed CAN l ow circui t. Check for open circuitEngi ne Cont rol Module hi gh s peed CAN high circui t, repai r asneces sary
U0101-87LostCommunicati onwit h TCM -mi ss i ng mes sage
The Terrain Res ponseCont rol Modul e has notrecei ved one or moreexpect ed mes s ages fromt he Trans mi ss ionCont rol Modul eHi gh s peed CAN circuitcommunicat ions fai lureOpen ci rcuitTrans mi s si on Cont rolModule, powerfeedOpen ci rcuit
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Trans mi s si on Cont rol Module for DTCs and refer to therelevant DTC index. Usi ng t he manufact urer approveddi agnos t ic s yst em, carry out net work i ntegri ty tes t. Us i ng themanufact urer approved diagnos t ic s ys tem, re-configure t heTransmis s ion Control Modul e. Refer t o el ect ri cal circui tdi agrams , check power feed and ground s upplies , t oTransmis s ion Control Modul e for open circui t. Check for openci rcuit Trans mi ss i on Cont rol Module hi gh s peed CAN lowci rcuit . Check for open circui t Trans mis s ion Cont rol Modul ehi gh s peed CAN high circui t, repai r as neces s ary

DT CDescriptionPossible CauseAction
Trans mi s si on Cont rolModule, ground s upplyTrans mi s si on Cont rolModule dis connect edfrom t he high s peedCAN communi cat ion busOpen ci rcuitTrans mi s si on Cont rolModule high s peed CANl ow circui tOpen ci rcuitTrans mi s si on Cont rolModule high s peed CANhi gh ci rcuitTrans mi s si on Cont rolModule not confi guredTrans mi s si on Cont rolModule fail ure
U0121-87LostCommunicati onW i th Ant i-LockBrake Sys tem(ABS) ControlModule - mis s ingmes s age
The Terrain Res ponseCont rol Modul e has notrecei ved one or moreexpect ed mes s ages fromt he Anti -Lock BrakeSys tem Cont rol ModuleHi gh s peed CAN circuitcommunicat ions fai lureOpen ci rcuit Anti -LockBrake Sys t em ControlModule, powerfeedOpen ci rcuit Anti -LockBrake Sys t em ControlModule, ground s upplyAnt i-Lock Brake Sys temCont rol Modul edi sconnect ed from t hehi gh s peed CANcommunicat ion busOpen ci rcuit Anti -LockBrake Sys t em ControlModule high s peed CANl ow circui tOpen ci rcuit Anti -LockBrake Sys t em ControlModule high s peed CANhi gh ci rcuitAnt i-Lock Brake Sys temCont rol Modul e notconfi guredAnt i-Lock Brake Sys temCont rol Modul e fai lure
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Ant i-Lock Brake Sys tem Control Module for DTCs and referto the relevant DTC index. Us ing the manufact urer approveddi agnos t ic s yst em, carry out net work i ntegri ty tes t. Us i ng themanufact urer approved diagnos t ic s ys tem, re-configure t heAnt i-Lock Brake Sys t em Control Modul e. Refer to el ect ri calci rcuit diagrams, check power feed and ground s uppl ies , toAnt i-Lock Brake Sys t em Control Modul e for open circui t. Checkfor open ci rcuit Ant i-Lock Brake Sys tem Control Module highspeed CAN low circui t. Check for open circui t Ant i-Lock BrakeSys t em Control Modul e high s peed CAN high ci rcuit , repair asneces sary. Sus pect t he Anti -Lock Brake Syst em Cont rolModul e, check and ins tal l a new Anti -Lock Brake Sys temCont rol Module as requi red, refer to the newmodul e/component i ns t allat ion not e at t he top of t he DTCIndex. Check t he sys t em i s operati ng correctl y and t he DTCdoes not ret urn.
U0136-87LostCommunicati onW i th Different ialControl Module -Rear - mis s ingmes s age
The Terrain Res ponseCont rol Modul e has notrecei ved one or moreexpect ed mes s ages fromt he Rear Different ialCont rol Modul eHi gh s peed CAN circuitcommunicat ions fai lureOpen ci rcuit RearDi fferenti al Cont rolModule, powerfeedOpen ci rcuit RearDi fferenti al Cont rolModule, ground s upplyRear Different ial ControlModule dis connect edfrom t he high s peedCAN communi cat ion busOpen ci rcuit RearDi fferenti al Cont rolModule high s peed CANl ow circui tOpen ci rcuit RearDi fferenti al Cont rolModule high s peed CANhi gh ci rcuitRear Different ial ControlModule not confi guredRear Different ial ControlModule fail ure
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Rear Different ial Control Modul e for DTCs and refer to therelevant DTC index. Usi ng t he manufact urer approveddi agnos t ic s yst em, carry out net work i ntegri ty tes t. Us i ng themanufact urer approved diagnos t ic s ys tem, re-configure t heRear Di fferenti al Cont rol Modul e. Refer to el ect ri cal circui tdi agrams , check power feed and ground s upplies , t o RearDifferent ial Cont rol Module for open ci rcuit . Check for openci rcuit Rear Different ial Control Module high s peed CAN lowci rcuit . Check for open circui t Rear Different ial Cont rol Modulehi gh s peed CAN high circui t, repai r as neces s ary. Sus pect theRear Di fferenti al Cont rol Modul e, check and ins tal l a new RearDifferent ial Cont rol Module as required, refer to the newmodul e/component i ns t allat ion not e at t he top of t he DTCIndex. Check t he sys t em i s operati ng correctl y and t he DTCdoes not ret urn.

DT CDescriptionPossible CauseAction
U0140-87LostCommunicati onW i th Body Cont rolModule - mis s ingmes s age
The Terrain Res ponseCont rol Modul e has notrecei ved one or moreexpect ed mes s ages fromt he Body Control ModuleHi gh s peed CAN circuitcommunicat ions fai lureOpen ci rcuit BodyCont rol Modul e,powerfeedOpen ci rcuit BodyCont rol Modul e, grounds upplyBody Control Modul edi sconnect ed from t hehi gh s peed CANcommunicat ion busOpen ci rcuit BodyCont rol Modul e highs peed CAN l ow circui tOpen ci rcuit BodyCont rol Modul e highs peed CAN hi gh ci rcuitBody Control Modul e notconfi guredBody Control Modul efail ure
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Body Control Modul e for DTCs and refer t o the relevantDTC index. Usi ng the manufact urer approved diagnos t icsys tem, carry out network int egrit y t est . Us ing t hemanufact urer approved diagnos t ic s ys tem, re-configure t heBody Cont rol Modul e. Refer to elect rical circui t diagrams ,check power feed and ground s uppl ies , to Body Cont rolModul e for open circui t. Check for open circuit Body ControlModul e high s peed CAN l ow circui t. Check for open circuitBody Cont rol Modul e high speed CAN hi gh circuit , repair asneces sary. Sus pect t he Body Cont rol Module, check andins tall a new Body Cont rol Module as required, refer to thenew module/component i nst all ati on not e at t he t op of theDTC Index. Check t he s ys t em i s operati ng correct ly and t heDTC does not return.
U0300-55Int ernal Cont rolModule Soft wareIncompati bili ty -not configured
The Terrain Res ponseCont rol Modul e hasfail ed to recogni se amat ching mas t erconfi gurati on ID fromt he CAN dat a busmas t erTerrain Res ponseCont rol Modul e hasi ncorrect CANconfi gurati onCAN bus mast er notcorrect ly confi guredMes s age cont ainingconfi gurati on ID notrecei ved due to CAN busi s sueMes s age cont ainingconfi gurati on ID nott rans mi tt ed by CAN busmas t er
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe CAN configurat ion i n the Terrai n Respons e ControlModul e, check correct s oftware vers ions i nst all ed and updat eas neces sary. If s imi lar DTCs from other modules s uspectCAN bus or CAN bus mas ter ECU, check CAN bus operat ion,check the CAN configurat ion i n t he CAN bus mas t er modul e,check correct s oft ware vers i ons ins tall ed and updat e asneces sary. Check the sys tem is operati ng correctl y and t heDTC does not return.
U0401-94Invali d Dat aRecei ved FromECM/PCM -unexpectedoperati on
The Terrain Res ponseCont rol Modul e hasdet ect ed that t heEngine Cont rol Modul ecomponent had operat edi n a way or at a ti met hat it had not beencommanded t o operateThe engine managements ys tem, Engine Cont rolModule is unable t os upport normal t errai nrespons e functi onal it y,t he t errai n res ponses ys tem wil l go int odefaul t condit ionEngine managements ys tem faultEngine Cont rol Modul efail ure
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Engine Cont rol Modul e for DTCs and refer t o t he rel evantDTC index, recti fy as requi red. Check t he s yst em is operat ingcorrectl y and the DTC does not return
U0402-94Invali d Dat aRecei ved FromTrans mis s ionControl Module -unexpectedoperati on
The Terrain Res ponseCont rol Modul e hasdet ect ed that t heTrans mi s si on Cont rolModule component hadoperat ed in a way or ata ti me t hat it had notbeen commanded tooperat eThe t rans mi ss ions ys tem, Trans mi ss i onCont rol Modul e i s unabl et o s upport normal
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Trans mi s si on Cont rol Module for DTCs and refer to therelevant DTC index, recti fy as requi red. Check the s ys tem isoperat ing correctl y and the DTC does not return

DT CDescriptionPossible CauseAction
t errain respons efunct ionali ty, the terrainrespons e s yst em will goi nto defaul t condit ionTrans mi s si on s ys t emfaultTrans mi s si on Cont rolModule fail ure
U0415-94Invali d Dat aRecei ved FromAnti -Lock BrakeSyst em Cont rolModule -unexpectedoperati on
The Terrain Res ponseCont rol Modul e hasdet ect ed that t heAnt i-Lock Brake Sys temcontrol modul ecomponent had operat edi n a way or at a ti met hat it had not beencommanded t o operateThe Ant i-Lock BrakeSys tem , Anti -LockBrake Sys t em controlmodul e is unable tos upport normal t errai nrespons e functi onal it y,t he t errai n res ponses ys tem wil l go int odefaul t condit ionAnt i-Lock Brake Sys temfaultAnt i-Lock Brake Sys temcontrol modul e fai lure
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Ant i-Lock Brake Sys tem cont rol module for DTCs and referto the relevant DTC index, rect ify as requi red. Check t hesys tem is operati ng correctl y and t he DTC does not return.Sus pect t he Ant i-Lock Brake Sys tem cont rol module, checkand ins tall a new Anti -Lock Brake Syst em cont rol module asrequired, refer to the new module/component i nst all at ionnot e at t he top of t he DTC Index.
U0437-94Invali d Dat aRecei ved FromDifferent ialControlModule-Rear -unexpectedoperati on
The Terrain Res ponseCont rol Modul e hasdet ect ed that t he RearDi fferenti al Cont rolModule component hadoperat ed in a way or ata ti me t hat it had notbeen commanded tooperat eThe Rear Different ials ys tem, RearDi fferenti al Cont rolModule is unable t os upport normal t errai nrespons e functi onal it y,t he t errai n res ponses ys tem wil l go int odefaul t condit ionRear Different ial s yst emfaultRear Different ial ControlModule fail ure
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe Rear Different ial Module for DTCs and refer t o t herelevant DTC index, recti fy as requi red. Check the s ys tem isoperat ing correctl y and the DTC does not return. Sus pect t heRear Di fferenti al Module, check and i nst all a new RearDifferent ial Modul e as requi red, refer t o t he newmodul e/component i ns t allat ion not e at t he top of t he DTCIndex.
U2012-4ACar Configurat ionParamet er(s) -incorrectcomponentins t al led
The Terrain Res ponseCont rol Modul e hasdet ect ed a mi s matchbet ween the hardwareconnect ed and thehardware expect edVehicle not correctl yconfi guredIncorrect componentsi nst all ed for vehicleconfi gurati on
Usi ng t he manufact urer approved diagnost ic s ys tem, checkthe vehicle confi gurati on file, rect ify as neces s ary. Checkcorrect components for vehi cl e configurat ion are i ns t alled,recti fy as necess ary. Check the s ys tem is operat ing correctl yand the DTC does not ret urn.

Publi shed: 06-Jul-2011
General Information - Diagnostic Trouble Code (DTC) IndexDTC: Body
Control Module (BCM)
Des cript ion and Operat ion
• NOTE: If a cont rol module or component i s s uspect and the vehicl e remai ns under manufacturer warrant y, refer t o t heW arranty Pol icy and Procedures manual (s ect ion B1.2), or determine i f any pri or approval program is i n operat ion, beforet he replacement of a component.
• NOTE: Generic scan t ool s may not read the codes li st ed, or may read only 5-digi t codes . Match t he 5 digi ts from t he s cant ool t o t he fi rs t 5 di gi ts of the 7-digit code li s ted t o i dent ify the fault (the last 2 digi ts gi ve ext ra informati on read by themanufacturer-approved di agnos ti c s ys t em).
• NOTE: W hen performing volt age or res is t ance t est s , always use a digi tal mult imeter (DMM) accurat e t o t hree deci malplaces, and wi th an up-t o-date cal ibrat ion cert ificate. W hen tes ti ng res is t ance al ways take t he res is t ance of t he DMMleads i nt o account .
• NOTE: Check and recti fy bas ic faul ts before beginni ng diagnos t ic rout ines i nvol vi ng pinpoint t es t s.
• NOTE: Ins pect connect ors for s igns of water ingres s , and pins for damage and/or corros ion.
• NOTE: If DTCs are recorded and, aft er performi ng the pi npoi nt tes ts , a fault is not present , an int ermi tt ent concern maybe t he caus e. Always check for loose connect ions and corroded terminals .
For addit ional informat ion, refer t o: Communicati ons Net work (418-00 Modul e Communicati ons Net work, Des cript ion andOperat ion).
Body control module (BC M)
DT CDescriptionPossible CauseAction
B100A-11Fuel PumpAuthoris ati on - ci rcuits hort t o ground
Fuel pump authori s at ionci rcuit - s hort t o groundRefer to electrical ci rcuit diagrams and check fuel pumpaut hori sat ion circui t for s hort t o ground
B100A-15Fuel PumpAuthoris ati on - ci rcuits hort t o power oropen
Fuel pump authori s at ionci rcuit - s hort t o power,open circui t
Refer to electrical ci rcuit diagrams and check fuel pumpaut hori sat ion circui t for s hort t o power, open circui t
B1024-08Trans ponder - Buss ignal/Mess ageFailures
Trans ponder - Buss i gnal /mes s age fail uresCarry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1024-51Start Cont rol Uni t -not programmedSt art control uni t - notconfi guredRe-configure the st art control uni t usi ng themanufacturer approved diagnost ic sys tem
B1024-81Start Cont rol unit -invali d s eri al dat areceived
Inval id serial data recei vedCarry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1024-87Start cont rol unit -mi ss i ng mes sageMis si ng mes s ageCarry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1024-96Start cont rol unit -component int ernalfai lure
Internal fail ureIns t al l a new s t art cont rol unit , refer to newmodule/component i nst all at ion not e at t he top of t heDTC IndexB1025-81Trans ponder - invali ds eri al dat aInval id serial data recei vedCarry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys temB1026-08Steering Column Lock- Bus Signal/Mes sageFailures
St eering col umn lock - Buss i gnal /mes s age fail uresCarry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1026-51Steering Column Lock- not programmedSt eering col umn lock - notconfi guredRe-configure the st eeri ng col umn lock us ing t hemanufacturer approved diagnost ic sys tem
B1026-52Steering Column Lock- not act ivat edRequest to enable thes t eering column locks upply not approved
Check LIN circui t bet ween s teering column l ock and CJB
B1026-71Steering Column Lock- actuator s t uckShould be set i f the SCL isunable to reach locked andO K posi ti on
Carry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1026-82Steering Column LockSt eering col umn locki ncorrectl y programmedIns t al l a new s t eering column lock
B1026-92Steering Column Lock- performance orincorrect operat ion
Micro s wi tch/s ens or faultCarry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1026-94Steering Column Lock- unexpectedoperati on
St atus mes s ages arerecei ved from t he SCLwhen SCL should be turnedoff
Carry out the pi npoint t es ts as s oci at ed t o t his DTCusi ng t he manufact urer approved diagnost ic s ys tem
B1026-96Steering Column Lock- component i nt ernalfai lure
Internal fail ureIns t al l a new s t eering column lock, refer t o t he newmodule/component i nst all at ion not e at t he top of t heDTC Index