engine AUDI A4 1998 B5 / 1.G APB Engine Motronic Syst
Page 67 of 166
01-56
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1453   17861   Exhaust gas temperature 
sensor 1  
Open/short to B+   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine 
Code(s): APB,Repair Group 26, Checking Sensor 
-1- for exhaust 
temperature
   
P1454   17862   Exhaust gas temperature 
sensor 1  
Short to ground    
P1455   17863   Exhaust gas temperature 
sensor 1  
Range/performance    
P1456   17864   Exhaust gas temperature 
control bank 1  
Limit attained   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine 
Code(s): APB,Repair Group 26, Checking exhaust gas temperature control
 
  
P1457   17865   Exhaust gas temperature 
sensor 2  
Open/short to B+   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine 
Code(s): APB,Repair Group 26, Checking Sensor 
-2- for exhaust 
temperature
   
P1458   17866   Exhaust gas temperature 
sensor 2  
Short to ground    
P1459   17867   Exhaust gas temperature   
Pa
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Page 68 of 166
sensor 2  
Range/performance  
P1460   17868   Exhaust gas temperature 
control bank 2  
Limit attained   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine 
Code(s): APB,Repair Group 26, Checking exhaust gas temperature control
 
  
Pa
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Page 69 of 166
01-57
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1461   17869   Exhaust gas temperature 
control bank 1  
Range/Performance   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine 
Code(s): APB, Repair Group 26, Checking exhaust gas temperature control
   
P1462   17870   Exhaust gas temperature 
control bank 2  
Range/Performance    
Pa
ge 69 of 166 Motronic s
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Page 70 of 166
01-58
 
DTC  
Description of 
malfunction  
Corrective action  
SAE  
VAG  
  
  
P1470   17878   EVAP Emission Contr. 
LDP Circ  
Electrical Malfunction 
2)  - Check Leak Detection Pump (LDP) 
P1471   17879   EVAP Emission Contr. 
LDP Circ  
Short to B+ 
2)   Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP 
system servicing, Checking Leak Detection Pump (LDP) 
-V144
   
P1472   17880   EVAP Emission Contr. 
LDP Circ  
Short to Ground 
2)    
P1473   17881   EVAP Emission Contr. 
LDP Circ  
Open Circuit 
2)    
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is 
recognized after the engine has been restarted. Significance of MIL   Page 01
-3 .  
Pa
ge 70 of 166 Motronic s
ystem, On Board Dia
gnostic 
(OBD
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11/22/2002 htt
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e=re
pair&id=AUDI.B5.FU04.01.1 
Page 71 of 166
01-59
 
DTC  
Description of malfunction  
Corrective  
SAE  
VAG  
  
  
P1475   17883   EVAP Emission Contr. LDP 
Circ  
Malfunction/Signal Circ. 
Open 
2)  - Check hoses (pressure/vacuum) to leak detection pump
- Check wiring to pump according to wiring diagram
P1476   17884   EVAP Emission Contr. LDP 
Circ  
Malfunction/Insufficient 
Vacuum 2)   Repair Manual, Fuel Supply System, Repair Group 20, Components of 
EVAP system servicing, Diagram of EVAP system
   
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is 
recognized after the engine has been restarted. Significance of MIL   Page 01
-3 .  
Pa
ge 71 of 166 Motronic s
ystem, On Board Dia
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(OBD
)
11/22/2002 htt
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e=re
pair&id=AUDI.B5.FU04.01.1 
Page 72 of 166
01-60
 
DTC  
Description of 
malfunction  
Corrective action  
SAE  
VAG  
  
  
P1477   17885   EVAP Emission Contr. 
LDP Circ  
Malfunction 
2)  
 Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP 
system servicing, Checking Leak Detection Pump (LDP) 
-V144
    - Check Leak Detection Pump (LDP) 
P1478   17886   EVAP Emission Contr. 
LDP Circ  
Clamped Tube 
Detected 
2)   Repair Manual, Fuel Supply System, Repair Group 20, Components of EVAP 
system servicing, Diagram of EVAP system
    - Check hoses (pressure/vacuum) to LDP.
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is 
recognized after the engine has been restarted. Significance of MIL   Page 01
-3 .  
Pa
ge 72 of 166 Motronic s
ystem, On Board Dia
gnostic 
(OBD
)
11/22/2002 htt
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yp
e=re
pair&id=AUDI.B5.FU04.01.1 
Page 73 of 166
01-61
 
DTC  
Description of malfunction  
Corrective action  
SAE  
VAG  
  
  
P1500   17908   Fuel Pump Relay Circ.  
Electrical Malfunction 
2)  - Check Fuel Pump (FP) relay   Page 24
-33
P1501   17909   Fuel Pump Relay Circ.  
Short to ground 
2)    
P1502   17910   Fuel Pump Relay Circ.  
Short to B+ 
2)    
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is 
recognized after the engine has been restarted. Significance of MIL   Page 01
-3 .  
Pa
ge 73 of 166 Motronic s
ystem, On Board Dia
gnostic 
(OBD
)
11/22/2002 htt
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yp
e=re
pair&id=AUDI.B5.FU04.01.1 
Page 74 of 166
01-62
 
DTC  
Description of 
malfunction  
Corrective action  
SAE  
VAG  
  
  
P1519   17927   Intake Camshaft Contr., 
Bank1  
Malfunction 
2)   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code
(s): APB, Repair Group 15, Checking camshaft adjustment, Checking function of camshaft adjustment
   
P1522   17930   Intake Camshaft Contr., 
Bank2  
Malfunction 
2)    
P1523   17931   Crash Signal from Airbag 
Control Unit  
Range/Performance  - Check Crash-Signal   Page 24
-196
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is 
recognized after the engine has been restarted. Significance of MIL   Page 01
-3 .  
Pa
ge 74 of 166 Motronic s
ystem, On Board Dia
gnostic 
(OBD
)
11/22/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1 
Page 75 of 166
01-63
 
DTC  
Description of 
malfunction  
Corrective action  
SAE  
VAG  
  
  
P1529   17937   Camshaft Control 
Circuit  
Short to B+ 
2)   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s): 
APB, Repair Group 15, Checking camshaft adjustment, Checking solenoid valves for camshaft adjustment
   
P1530   17938   Camshaft Control 
Circuit  
Short to Ground 
2)    
P1531   17939   Camshaft Control 
Circuit   
Open 
2)    
  
P1539   17947   Clutch pedal switch  
Range/Performance 
2)  - Check Clutch Vacuum Vent Valve Switch   Page 24
-191
2) With this malfunction the exhaust Malfunction Indicator Light (MIL) is only switched on by the ECM, if the malfunction is 
recognized after the engine has been restarted. Significance of MIL   Page 01
-3 .  
Pa
ge 75 of 166 Motronic s
ystem, On Board Dia
gnostic 
(OBD
)
11/22/2002 htt
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play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1 
Page 76 of 166
01-64
 
DTC  
Description of 
malfunction  
Corrective action  
SAE  
VAG  
  
  
P1542   17950   Throttle Actuation 
Potentiometer  
Range/Performance 
1) 3)
  - Check angle sensor for throttle drive   Page 24
-153
P1543   17951   Throttle Actuation 
Potentiometer  
Signal too Low 
1) 3)
    
P1544   17952   Throttle Actuation 
Potentiometer  
Signal too High 
1) 3)
  - Check angle sensor for throttle drive   Page 24
-153
P1545   17953   Throttle Pos. Contr.  
Malfunction 
1) 3)
  - Check throttle valve control module   Page 24
-145
P1546   17954   Boost Pressure 
Contr.Valve  
Short to B+   Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code
(s): APB, Repair Group 21, Turbocharger system
   
P1547   17955   Boost Pressure 
Contr.Valve  
Short to Ground    
Pa
ge 76 of 166 Motronic s
ystem, On Board Dia
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(OBD
)
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pair&id=AUDI.B5.FU04.01.1