1997 AUDI A4 sensor

01-51

DTC
Description of malfunction
Corrective action
SAE
VAG


P1386 17794 Internal Control Module
Knock Control Circ.Error - Replace Engine Control Module (ECM) Page 24
-24
P1387 17795 Internal Control Module
Altitude Sensor Error
2)

P1388 17796 Internal Control Module
Drive by wire error
1) 3)

1) With this malfunction the EPC (Electronic Power Control) Malfunction Indicator Light (MIL) in the instrument cluster is
switched on by the ECM. Significance of EPC malfunction indicator light Page 24
-142
.
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 .
3) With this malfunction the exhaust Malfunction Indicator Light (MIL) is switched on by the ECM, immediately after the
malfunction has been recognized. Significance of MIL Page 01
-3 .
Pa
ge 61 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-52

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1391 17799 Camshaft Pos.
Sensor, Bank2
Short to Ground
2) - Check Camshaft Position (CMP) sensor Page 28
-45
P1392 17800 Camshaft Pos.
Sensor, Bank2
Open Circ./Short to B+
2)
P1410 17818 Tank Ventilation Valve
Circ.
Short to B+ - Check EVAP canister purge regulator valve Page 24
-134
P1411 17819 Sec. Air
Inj.Sys.,Bank2
Flow too low
2)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system
- Check fuse for secondary air injection pump.
- Check vacuum hoses
- Check piping from pump to secondary air injection valve (Combi valve)
P1414 17822 Sec. Air
Inj.Sys.,Bank2
Leak Detected
2)
Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 26, Exhaust system, Secondary air injection system
- Check piping from pump to secondary air injection valve (combi valve) bank 2Pa
ge 62 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

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
ge 67 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

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
ge 68 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

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
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-71

DTC
Description of malfunction
Corrective action
SAE
VAG


P1630 18038 Accelera. Pedal Pos. Sensor 1
Signal too Low
1) 3)
- Check acceleration pedal position sensor Page 24
-159
P1631 18039 Accelera. Pedal Pos. Sensor 1
Signal too High
1) 3)

P1633 18041 Accelera. Pedal Pos. Sensor 2
Signal too Low
1) 3)

P1634 18042 Accelera. Pedal Pos. Sensor 2
Signal too High
1) 3)


1) With this malfunction the EPC (Electronic Power Control) Malfunction Indicator Light (MIL) in the instrument cluster is
switched on by the ECM. Significance of EPC malfunction indicator light Page 24
-142
.
3) With this malfunction the exhaust Malfunction Indicator Light (MIL) is switched on by the ECM, immediately after the
malfunction has been recognized. Significance of MIL Page 01
-3 .
Pa
ge 86 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-72

DTC
Description of malfunction
Corrective action
SAE
VAG


P1639 18047 Accelera. Pedal Pos.
Sensor1+2
Range/Performance
1) 3)
- Check acceleration pedal position sensor Page 24
-159
P1640 18048 Internal Control Module
(EEPROM)
Error
2) - Replace Engine Control Module (ECM) Page 24
-24
.
P1648 18056 Data Bus Powertrain
Malfunction - Check data exchange between Engine-/ABS-/Transmission control
module Page 24
-201

P1649 18057 Data Bus Powertrain
Missing message from ABS
Control Module Repair Manual, Brake System On Board Diagnostic (OBD), Repair
Group 01, checking DTC memory of ABS control module
- Check DTC memory of ABS control module
- Check data exchange between Engine-/ABS-/Transmission control
module Page 24
-201

1) With this malfunction the EPC (Electronic Power Control) Malfunction Indicator Light (MIL) in the instrument cluster is
switched on by the ECM. Significance of EPC malfunction indicator light Page 24
-142
.
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 87 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

01-74

DTC
Description of malfunction
Corrective action
SAE
VAG


P1851 18259 Data Bus Powertrain
Missing Message from Brake Contr
Repair Manual, Brake System On Board Diagnostic (OBD), Repair
Group 01, checking DTC memory of ABS control module
- Check DTC memory of ABS control module
- Check data exchange between Engine-/ABS-
/Transmission control
module Page 24
-201

P1853 18261 Data Bus Powertrain
Unplausible Message from Brake
Contr.
P1854 18262 Data Bus Powertrain
Hardware Defective
P3262 19718 Exhaust bank 1/2 oxygen sensors
behind catalytic converter
mixed up - Check harness connectors for oxygen sensors and check installed
position of oxygen sensors behind catalytic converter. 1) With this malfunction the EPC (Electronic Power Control) Malfunction Indicator Light (MIL) in the instrument cluster is
switched on by the ECM. Significance of EPC malfunction indicator light Page 24
-142
.
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 91 of 166 Motronic s
ystem, On Board Dia
gnostic
(OBD
)
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1