SECURITY SYSTEM JAGUAR XFR 2010 1.G Workshop Manual

Bus Topology of a
communication
network Coast Clutch Solenoid CCS Camshaft Position CMP Indicates camshaft position Carbon dioxide CO² Colorless gas with a density of approximately 1.5 times that of air Carbon monoxide CO Poisonous gas produced as the result of incomplete combustion Chlorofluorocarbon CFC Catalytic converter
In-line exhaust system device used to reduce the level of engine exhaust
emissions Celsius C
SI term for the Centigrade scale, with freezing point at zero and boiling point at 100 degrees Compact Disc CD Cylinder Head Temperature
Sensor CHT Sensor A sensor for measuring the temperature of the cylinder head Central Junction Box CJB Crankshaft Position CKP Indicates crankshaft position Clutch Pedal Position CPP Indicates clutch pedal position Controller Area Network CAN
A communication system which allows control modules to be linked together Constant Velocity CV Cubic centimeter cm³ Central Security Module CSM Electronic module to support security system functionality Data Link Connector DLC
Connector providing access and/or control of the vehicle information, operating conditions, and diagnostic information Driver Door Module DDM Electronic module to support driver door functionality Driver Seat Module DSM Electronic module to support driver seat functionality Daytime Running Lamps DRL Deutsche Institut fur Normung DIN German standards regulation body Diagnostic Trouble Code DTC
An alpha/numeric identifier for a fault condition identified by the On-Board Diagnostic (OBD) system Direct current dc
Current which flows in one direction only, though it may have appreciable pulsations in its magnitude Domestic Data Bus D2B Digital Versatile Disc DVD Electronic Automatic Temperature Control EATC
Exhaust Gas Recirculation EGR Exhaust Gas Recirculation Temperature Sensor EGRT Sensing EGR function based on temperature change Electronic Brake Force
Distribution EBD
Engine Control Module ECM Electronic module to support engine functionality Electronic Crash Sensor ECS Sensor to measure severity of impact Engine Coolant Temperature ECT Engine Oil Pressure EOP European On-Board Diagnostic EOBD Electronic Pressure Control EPC Electrically Erasable
Programmable Read-Only Memory EEPROM
Erasable Programmable
Read-Only Memory EPROM
Evaporative Emission EVAP
System designed to prevent fuel vapor from escaping into the atmosphere. Typically includes a charcoal filled canister to absorb fuel vapor Flash Electrically Erasable
Programmable Read-Only Memory FEEPROM
Front Electronic Module FEM Flash Erasable Programmable
Read-Only Memory FEPROM
Frequency Modulation FM Fuel Pump Driver Module FPDM Fuel Rail Pressure FRP Generic Electronic Module GEM Ground GND
Electrical conductor used as a common return for an electrical circuit or
circuits, and with a relative zero potential Global Positioning System GPS Global System for Mobile
Communication GSM
Gross Vehicle Weight GVW Heated Oxygen Sensor HO2S Electrically heated oxygen sensor which induces fuelling corrections

DTC Description Possible Causes Action internal fault
C101D-26
Left Front
vertical
acceleration
sensor - Signal
rate of change
below threshold
Left front vertical
acceleration sensor
signal circuit short to
another circuit
Left front vertical
acceleration sensor
internal fault
Refer to the electrical circuit diagrams and check Left Front
Vertical Accelerometer signal circuit for faults, if circuit is
correct suspect faulty sensor, refer to the new
module/component installation note at the top of the DTC
Index. Replace the sensor, clear the DTC and retest the
system C101D-78
Left Front
vertical
acceleration
sensor -
Alignment or
adjustment
incorrect
Left front vertical
acceleration sensor
bracket bent
Left front vertical
acceleration sensor
damaged
Check Left Front Vertical Accelerometer for location and
security, if correct suspect faulty Accelerometer, refer to the
new module installation note at the top of the DTC Index.
Replace the sensor/bracket as required, clear the DTC and
retest the system C101E-12
Right Front
vertical
acceleration
sensor - Short
to power
Right Front vertical
acceleration sensor
circuit short to power
Refer to the electrical circuit diagrams and check right front
vertical acceleration sensor circuit for short to power or
another circuit. Repair circuit, clear the DTC and retest the
system C101E-14
Right Front
vertical
acceleration
sensor - Short
to ground, open
circuit
Right Front vertical
acceleration sensor
circuit short to
ground, open circuit
Vertical acceleration
sensor fault
Refer to the electrical circuit diagrams and check right front
vertical acceleration sensor circuit for short to ground, open
circuit. If no fault found on wiring suspect sensor. Replace
sensor, clear DTC and retest the system C101E-22
Right Front
vertical
acceleration
sensor - Signal
amplitude >
maximum
Right front vertical
acceleration sensor
insecurely mounted
Right front vertical
acceleration sensor
signal circuit short to
another circuit
Right front vertical
acceleration sensor
internal fault
With vehicle parked on a level surface, read Right Front
Vertical Accelerometer voltage and check it lies in range 1.9 to
2.1 volts. If not OK then check electrical wiring for shorts,
loose connections and repair as required. If wiring OK then
suspect faulty sensor/incorrectly fitted sensor. Check the
sensor is correctly mounted, secure or replace sensor as
required. Refer to the new module/component installation
note at the top of the DTC Index, clear DTC and retest system C101E-26
Right Front
vertical
acceleration
sensor - Signal
rate of change
below threshold
Right front vertical
acceleration sensor
signal circuit short to
another circuit
Right front vertical
acceleration sensor
internal fault
Refer to the electrical circuit diagrams and check Right Front
Vertical Accelerometer signal circuit for faults, if circuit is
correct suspect faulty sensor, refer to the new
module/component installation note at the top of the DTC
Index. Replace the sensor, clear the DTC and retest the
system C101E-78 Right Front
Right front vertical
Check Right Front Vertical Accelerometer for location and vertical acceleration acceleration sensor security, if correct suspect faulty Accelerometer, refer to the sensor - bracket bent new module installation note at the top of the DTC Index. Alignment or Right front vertical Replace the sensor/bracket as required, clear the DTC and adjustment acceleration sensor retest the system incorrect damaged C1024-00
System Temporarily
Disabled Due To
Power
Interruption
During Driving -
No sub type
information
Loss of power to
control module whilst
driving
Refer to the electrical circuit diagrams and check power and
ground circuits to Adaptive Damping Control Module for
intermittent or poor connection. Repair wiring circuits as
required, clear DTC and retest the system C1030-12
Left Rear
vertical
acceleration
sensor - Short
to power
Left Rear vertical
acceleration sensor
circuit short to power
Refer to the electrical circuit diagrams and check left Rear
vertical acceleration sensor circuit for short to power or
another circuit. Repair circuit, clear the DTC and retest the
system

DTC Description Possible Causes Action C1030-14
Left Rear
vertical
acceleration
sensor - Short
to ground, open
circuit
Left rear vertical
acceleration sensor
circuit short to
ground, open circuit
Vertical acceleration
sensor fault
Refer to the electrical circuit diagrams and check left Rear
vertical acceleration sensor circuit for short to ground, open
circuit. If no fault found on wiring suspect sensor. Replace
sensor, clear DTC and retest the system C1030-22
Left Rear
vertical
acceleration
sensor - Signal
amplitude >
maximum
Left Rear vertical
acceleration sensor
insecurely mounted
Left Rear vertical
acceleration sensor
signal circuit short to
another circuit
Left Rear vertical
acceleration sensor
internal fault
With vehicle parked on a level surface, read Left Rear Vertical
Accelerometer voltage and check it lies in range 1.9 to 2.1
volts. If not OK then check electrical wiring for shorts, loose
connections and repair as required. If wiring OK then suspect
faulty sensor/incorrectly fitted sensor. Check the sensor is
correctly mounted, secure or replace sensor as required. Refer
to the new module/component installation note at the top of
the DTC Index, clear DTC and retest system C1030-26
Left Rear
vertical
acceleration
sensor - Signal
rate of change
below threshold
Left Rear vertical
acceleration sensor
signal circuit short to
another circuit
Left Rear vertical
acceleration sensor
internal fault
Refer to the electrical circuit diagrams and check Left Rear
Vertical Accelerometer signal circuit for faults, if circuit is
correct suspect faulty sensor, refer to the new
module/component installation note at the top of the DTC
Index. Replace the sensor, clear the DTC and retest the
system C1030-78
Left Rear
vertical
acceleration
sensor -
Alignment or
adjustment
incorrect
Left Rear vertical
acceleration sensor
bracket bent
Left Rear vertical
acceleration sensor
damaged
Check Left Rear Vertical Accelerometer for location and
security, if correct suspect faulty Accelerometer, refer to the
new module installation note at the top of the DTC Index.
Replace the sensor/bracket as required, clear the DTC and
retest the system C1A03-12
Left Front
Height Sensor -
Circuit short to
power
Height sensor circuit
shorted to another
cable
Height sensor internal
fault
Refer to the electrical circuit diagrams and check Front Left
Height Sensor circuit for short to power, If circuit correct
suspect Sensor internal fault, replace as required C1A03-14
Left Front
Height Sensor -
Circuit short to
ground or open
Wiring to sensor
(signal) open circuit
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor internal
electrical fault
Disconnect electrical connector to height sensor and inspect
connector pins & terminals for evidence of corrosion or water
ingress. If no corrosion found, disconnect harness at Control
Module. A: Check for short circuits between any of the 3
terminals and vehicle ground. B: Check for electrical continuity
between the two connectors for each of the 3 terminals.
Reconnect electrical connector at Control Module only. C:
Check voltages at terminals within height sensor connector
(sensor not connected), with respect to vehicle body. •
Voltage to sensor ground connection should be ~0v • Voltage
to sensor signal connection should be ~0v • Voltage to sensor
supply connection should be ~5v All voltages should be within
± 0.15v C1A03-21
Left Front
Height Sensor -
Signal amplitude
< minimum
Height sensor linkage
not connected
Height sensor or
bracket loose
Height sensor bracket
bent
Incorrect height
calibration
Height sensor linkage
toggled
Height sensor water
ingress
Wiring to height
sensor partial short to
ground
Wiring to height
sensor short to other
cable
Height sensor
Inspect for damage or loose fixings. NOTE If any height
sensor fixings were slackened or found to be loose or if a
height sensor was changed, the vehicle ride height MUST be
re-calibrated. Confirm that the correct height sensor part
number is fitted, as specified in the service parts database.
To check height sensor: Disconnect electrical connector to
height sensor and inspect connecter pins & terminals for
evidence of corrosion or water ingress. If no corrosion found,
disconnect harness at Control Module. A: Check for short
circuits between any of the 3 terminals and vehicle ground. B:
Check for electrical continuity between the two connectors for
each of the 3 terminals. Reconnect electrical connector at
Control Module only. C: Check voltages at terminals within
height sensor connector (sensor not connected), with respect
to vehicle body. • Voltage to sensor ground connection should
be ~0v • Voltage to sensor signal connection should be ~0v •
Voltage to sensor supply connection should be ~5v All
voltages should be within ± 0.15v. To check sensor operation
on the vehicle: Check for water ingress around the height

DTC Description Possible Causes Action U3000-47
Control Module -
Watchdog/safety
microcontroller failure
Control module internal
watchdog/safety
MicroController failure
Refer to the electrical circuit diagrams and check
the power and ground circuits to the component.
Refer to the warranty policy and procedures
manual if a module is suspect U3000-49
Control Module - Internal
electronic failure
Control module internal
electronic failure (internal
error)
Clear DTC, cycle ignition and retest. If fault
persists, refer to the electrical circuit diagrams
and check the power and ground circuits to the
component. Repair as required, clear DTC and
retest
If fault persists, check and install a new
blindspot monitoring control module as required.
Refer to the warranty policy and procedures
manual if a module is suspect U3003-62
Battery Voltage - Signal
compare failure
Mis-match in battery
voltage, between Central
Junction Box and Blind
Spot Monitoring System
module, of 2 volts or more
Check the module connector for security and
integrity. Refer to the electrical circuit diagrams
and check the Control module supply voltage.
Check vehicle battery voltage and state of
charge. Check the power signal line to the
module

DTC Description Possible Causes Action B1145-11
Glovebox Locking
Motor - Circuit short to
ground
Glovebox latch locking motor
circuit - short to ground
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check glovebox latch locking motor circuit for
short to ground B1145-12
Glovebox Locking
Motor - Circuit short to
battery
Glovebox latch locking motor
control circuit - short to
power
Refer to the electrical circuit diagrams and check
glovebox latch locking motor control circuit for
short to power B1145-13
Glovebox Locking
Motor - Circuit open
Glovebox latch locking motor
control circuit - open circuit
Refer to the electrical circuit diagrams and check
glovebox latch locking motor control circuit for
open circuit B1146-12
Passive sounder
Supply - Circuit short
to battery
Security passive sounder
control circuit - short to
power
Refer to the electrical circuit diagrams and check
security passive sounder control circuit for short
to power B1146-14
Passive sounder
Supply - Circuit short
to ground or open
Security passive sounder
control circuit - short to
ground, open circuit
Refer to the electrical circuit diagrams and check
security passive sounder control circuit for short
to ground, open circuit B1158-11
Front Passenger Seat
Heater Sensor - Circuit
short to ground
Front passenger seat heater
sensor circuit - short to
ground
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check front passenger seat heater sensor
circuit for short to ground B1158-13
Front Passenger Seat
Heater Sensor - Circuit
open
Front passenger seat heater
sensor circuit - open circuit
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check front passenger seat heater sensor
circuit for open circuit B1159-11
Driver Seat Heater
Sensor - Circuit short
to ground
Driver seat heater sensor
circuit - short to ground
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check driver seat heater sensor circuit for
short to ground B1159-13
Driver Seat Heater
Sensor - Circuit open
Driver seat heater sensor
circuit - open circuit
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check driver seat heater sensor circuit for
open circuit B115A-11
Front Passenger Seat
Heater - Circuit short
to ground
Front passenger seat heater
supply circuit - short to
ground
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check front passenger seat heater supply
circuit for short to ground B115A-15
Front Passenger Seat
Heater - Circuit short
to battery or open
Front passenger seat heater
supply circuit - short to
power, open circuit
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check front passenger seat heater supply
circuit for short to power, open circuit B115B-11
Driver Seat Heater -
Circuit short to ground
Driver seat heater supply
circuit - short to ground
Carry out any pinpoint tests associated with this
DTC using the manufacturer approved diagnostic
system. Refer to the electrical circuit diagrams
and check driver seat heater supply circuit for
short to ground

DTC Description Possible Causes Action B1060-15
Seat Headrest Motor
Output - Circuit short to
battery or open
Driver seat headrest motor
circuit - short to power, open
circuit
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat headrest motor circuit for short to
power, open circuit B1063-31
Seat Cushion Extension
Motor Speed/Position
Sensor - No signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat cushion motor sensor
circuit. Repair circuit as required. Clear DTC
and retest B1064-31
Seat Headrest Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat headrest motor sensor
circuit. Repair circuit as required. Clear DTC
and retest B1065-24
Cushion extend switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and cushion extend
circuit for short to ground B1066-24
Cushion retract switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and cushion retract
circuit for short to ground B106D-24
Headrest up switch - Signal
stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and headrest up
circuit for short to ground B106E-24
Headrest down switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and headrest down
circuit for short to ground B1A98-83
LIN Bus Circuit #1 - Value
of signal protection
calculation incorrect
Value of signal protection
calculation incorrect
Check LIN network for interference/EMC
related issues B1A98-86
LIN Bus Circuit #1 - Signal
invalid
LIN bus Header error
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Check LIN
network for interference/EMC related
issues B1A98-87
LIN Bus Circuit #1 -
Missing message
Slave node communication
missing. LIN bus circuit - short
to ground, power, open circuit
(ECU Types 7 & 8)
Refer to electrical circuit diagrams and test
LIN Bus between seat switch pack and
control module for short to ground, power,
open circuit, check power and ground
supplies to switch pack B1A98-88 LIN Bus Circuit #1 - Bus off
Bus off
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to
electrical circuit diagrams and test LIN Bus
between seat switch pack and control
module for short to ground or power

DTC Description Possible Causes Action B1B86-11
Seat Height Motor Relay -
Circuit short to ground
Driver seat parallel height
motor circuit - short to ground
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat parallel height motor circuit for short
to ground B1B86-15
Seat Height Motor Relay -
Circuit short to battery or
open
Driver seat parallel height
motor circuit - short to power,
open circuit
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat parallel height motor circuit for short
to power, open circuit B1B87-31
Seat Height Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat height motor sensor circuit.
Repair circuit as required. Clear DTC and
retest B1B88-11
Seat Slide Motor Relay -
Circuit short to ground
Driver seat slide motor circuit -
short to ground
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat slide motor circuit for short to ground B1B88-15
Seat Slide Motor Relay -
Circuit short to battery or
open
Driver seat slide motor circuit -
short to power, open circuit
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat slide motor circuit for short to power,
open circuit B1B89-31
Seat Slide Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat slide motor speed sensor
circuit. Repair circuit as required. Clear DTC
and retest B1B90-11
Seat Tilt Motor Relay -
Circuit short to ground
Driver seat tilt motor circuit -
short to ground
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat tilt motor circuit for short to ground B1B90-15
Seat Tilt Motor Relay -
Circuit short to battery or
open
Driver seat tilt motor circuit -
short to power, open circuit
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat tilt motor circuit for short to power,
open circuit B1B91-31
Seat Tilt Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat tilt motor speed sensor
circuit. Repair circuit as required. Clear DTC
and retest B1B92-11
Seat Recline Motor Relay -
Circuit short to ground
Driver seat recline motor
circuit - short to ground
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat recline motor circuit for short to
ground

DTC Description Possible Causes Action B1B92-15
Seat Recline Motor Relay -
Circuit short to battery or
open
Driver seat recline motor
circuit - short to power, open
circuit
Carry out any pinpoint tests associated
with this DTC using the manufacturer
approved diagnostic system. Refer to the
electrical circuit diagrams and check driver
seat recline motor circuit for short to
power, open circuit B1B93-31
Seat Recline Motor
Speed/Position Sensor - No
signal
Harness/connector problem
No signal from sensor
Sensor/motor malfunction
Check the seat wiring harness/connectors
for security/integrity
Refer to the electrical circuit diagrams and
check the seat recline motor speed sensor
circuit. Repair circuit as required. Clear DTC
and retest B1B94-24
Seat Height Up Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat height up
circuit for short to ground B1B95-24
Seat Height Down Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat height
down circuit for short to ground B1B96-24
Seat Slide Forward Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat slide
forward circuit for short to ground B1B97-24 Seat Slide Backward Switch
- Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat slide
backward circuit for short to ground B1B98-24
Seat Tilt Up Switch - Signal
stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat tilt up
circuit for short to ground B1B99-24
Seat Tilt Down Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat tilt down
circuit for short to ground B1C00-24
Seat Recline Up Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and seat recline up
circuit for short to ground B1C01-24
Seat Recline Down Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit and check seat
recline down circuit for short to ground B1C02-24
Memory Store Switch -
Signal stuck high
Signal stuck high
Check for a stuck switch. Refer to the
electrical circuit diagrams and check driver
seat switch pack to seat module LIN circuit
for short, open circuit www.JagDocs.com

DTC Description Possible Causes Action module/component B10AC-82 Cruise Control Switch - Alive / sequence counter incorrect / not updated
Cruise buttons alive counter is not
incrementing. Which suggests that
the LIN bus is faulty
Steering wheel module is not
connected
Steering wheel module failure
Refer to the electrical circuit
diagrams and check the speed
control switch circuit for open circuit,
short circuit to power, short circuit to
ground, disconnected
Refer to the electrical circuit
diagrams and check the LIN bus
between steering wheel module and
the CAN gateway
Check and install a new steering
wheel module as required. Refer to
the warranty policy and procedures
manual, or determine if any prior
approval programme is in operation,
prior to the installation of a new
module/component B10AC-83
Cruise Control Switch - Value
of signal protection
calculation incorrect
Cruise buttons checksum incorrect,
incorrect cruise switches fitted to
vehicle
Check and install new cruise
switches as required. Refer to the
warranty policy and procedures
manual, or determine if any prior
approval programme is in operation,
prior to the installation of a new
module/component B10AC-96
Cruise Control Switch -
Component internal failure
Speed control switch circuit, open
circuit, short circuit to power, short
circuit to ground, disconnected
Speed control switch failure
Steering wheel module failure
Check for related DTCs in other
central junction boxes
Refer to the electrical circuit
diagrams and check the speed
control switch circuit for open circuit,
short circuit to power, short circuit to
ground, disconnected
Check and install a new speed
control switch as required. Check and
install a new steering wheel module
as required. Refer to the warranty
policy and procedures manual, or
determine if any prior approval
programme is in operation, prior to
the installation of a new
module/component B10FF-68
Ignition Control - Event
information
Spark plug(s) fault
Wiring harness fault
Ignition coil(s) fault
Refer to repair manual and check
spark plug(s) for condition and
security. Replace any defective
components as required
Refer to electrical wiring diagrams
and check ignition coil circuit for
intermittent open circuit, short
circuit to power, short circuit to
ground
Check and install a new coil(s) as
required. Refer to the warranty policy
and procedures manual, or determine
if any prior approval programme is in
operation, prior to the installation of
a new module/component B11DB-01
Battery Monitoring Module -
General electrical failure
NOTE: - Circuit BATTERY -

Charging system fault Battery
monitoring signal line
circuit fault
Vehicle battery fault
Refer to electrical wiring diagrams
and check charging system for faults.
Perform any repairs required
Refer to the electrical wiring
diagrams and check the battery
monitoring system module circuit for
open circuit, short circuit to ground,
short circuit to power
Refer to the workshop manual and
the battery care manual, inspect the
vehicle battery and ensure it is fully
charged and serviceable before
performing further tests

DTC Description Possible Causes Action B10AE-64
Headlamp Leveling
Motor - Signal
plausibility failure
Signal plausibility
failure voltage out of
range
Refer to the electrical circuit diagrams and check the
Headlamp Leveling Motor circuits for failure. Disconnect one
headlamp connector, clear DTC and re-test. If DTC cleared,
suspect Headlamp Leveling Module or circuits to the
disconnected side. If DTC remains, reconnect first
headlamp and disconnect second, clear DTC and re-test. If
DTC cleared, suspect Headlamp Leveling Module or circuits
to the disconnected side. If DTC remains, suspect common
circuits of the failure. Refer to the electrical circuit diagrams
and check as required B1A59-11
Sensor 5 Volt
Supply - Circuit
short to ground
Headlamp Leveling
Sensor 5 volt supply
circuit short to ground
Refer to electrical circuit diagrams and check Headlamp
Leveling Sensor 5 volt supply circuit for short to ground B1A59-12
Sensor 5 Volt
Supply - General
electrical failure
Headlamp Leveling
Sensor 5 volt supply
circuit short to power
Refer to electrical circuit diagrams and check Headlamp
Leveling Sensor 5 volt supply circuit for short to power C1A04-11
Right Front Height
Sensor - Circuit
short to ground
Right front Height
Sensor circuit short to
ground
Refer to the electrical circuit diagrams, and check Right
Front Height Sensor circuit for short to ground C1A04-15
Right Front Height
Sensor - Circuit
short to battery or
open
Right front Height
Sensor circuit short to
power or open circuit
Check Right Front Height Sensor connector for security.
Refer to the electrical circuit diagrams, and check Right
Front Height Sensor circuit for short to power or open circuit C1A04-64
Right Front Height
Sensor - Signal
plausibility failure
Sensor (PWM) Signal
out of range
NOTE: This DTC may be logged if the vehicles wheels have
been raised from the floor

Check the location, security and mechanical operation of
the Height Sensor. Refer to the electrical circuit diagrams,
and check Right Front Height Sensor signal circuit for fault C1A06-11
Right Rear Height
Sensor - Circuit
short to ground
Right rear Height
Sensor circuit short to
ground
Refer to the electrical circuit diagrams, and check Right
Rear Height Sensor circuit for short to ground C1A06-15
Right Rear Height
Sensor - Circuit
short to battery or
open
Right rear Height
Sensor circuit short to
power or open circuit
Check Right Rear Height Sensor connector for security. Refer
to the electrical circuit diagrams, and check Right Rear
Height Sensor circuit for short to power or open circuit C1A06-64
Right Rear Height
Sensor - Signal
plausibility failure
Sensor (PWM) Signal
out of range
NOTE: This DTC may be logged if the vehicles wheels have
been raised from the floor

Check the location, security and mechanical operation of
the Height Sensor. Refer to the electrical circuit diagrams,
and check Right Rear Height Sensor signal circuit for fault U0001-88
High Speed CAN
Communication Bus
- Bus off
CAN Bus Off
CAN Bus Circuit fault
Check other modules for stored DTCs. Carry out the CAN
Network Integrity test using the manufacturer approved
diagnostic system U0101-00
Lost Communication
with TCM - No sub
type information
Lost communication
with the Transmission
Control Module
CAN network fault
Check the Transmission Control Module for stored DTCs.
Using the manufacturer approved diagnostic system,
complete the CAN Network Integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the Headlamp Leveling Module and the
Transmission Control Module U0121-00
Lost Communication
With Anti-Lock
Brake System (ABS)
Control Module - No
sub type
information
Lost communication
with the Anti-lock
Brake System Module
CAN network fault
Check the Anti-lock Brake System Module for stored DTCs.
Using the manufacturer approved diagnostic system,
complete the CAN Network Integrity test. Refer to the
electrical circuit diagrams and check the CAN network
between the Headlamp Leveling Module and the Anti-lock
Brake System Module