1999 AUDI A4 engine

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
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

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
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU04.01.1

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
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

01-65

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1555 17963 Charge Pressure
Upper Limit exceeded Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 21, Turbocharger system

P1556 17964 Charge Pressure
Contr.
Negative Deviation Repair Manual, 2.7 Liter V6 5V BiTurbo Engine Mechanical, Engine Code(s):
APB, Repair Group 21, Turbocharger system

P1557 17965 Charge Pressure
Contr.
Positive Deviation

Pa
ge 78 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

01-66

DTC
Description of malfunction
Corrective action
SAE
VAG


P1558 17966 Throttle Actuator
Electrical Malfunction
1)3)
- Check throttle valve control module Page 24
-145
P1559 17967 Idle Speed Contr. Throttle Pos.
Adaptation Malfunction
2) - Perform adaptation Page 24
-146
P1560 17968 Maximum Engine Speed Exceeded
- Repair mechanical damage
P1564 17972 Idle Speed Control Throttle Position
Low Voltage During Adaptation - Charge battery or repeat adaptation Page 24
-146
P1565 17973 Idle Speed Control Throttle Position
Lower Limit not Attained
1) 3)
- Check throttle valve control module Page 24
-145
P1568 17976 Idle Speed Control Throttle Position
Mechanical Malfunction
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
Pa
ge 79 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

01-67

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1569 17977 Cruise control switch
Incorrect signal
Repair Manual, Electrical Equipment, Repair Group 01, On Board
Diagnostic for CCS
- Check switch for Cruise Control System (CCS)
P1570 17978 Control Module Locked
Repair Manual, Electrical Equipment, Repair Group 01, On Board
Diagnostic of immobilizer
- Perform adaptation for immobilizer to ECM
P1579 17987 Idle Speed Contr.Throttle
Pos.
Adaptation not started - Perform adaptation of throttle valve control module while maintaining test
requirements Page 24
-146

P1600 18008 Power Supply (B+)
Terminal 15
Low Voltage - Check voltage supply for Engine Control Module (ECM) Page 28
-32
P1602 18010 Power Supply (B+)
Terminal 30
Low Voltage
Pa
ge 81 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

01-68

DTC
Description of
malfunction
Corrective action
SAE
VAG


P1603 18011 Internal Control Module
Malfunction
2) - Replace Engine Control Module (ECM) Page 24
-24
.
P1604 18012 Internal Control Module
Malfunction
1)3)

P1606 18014 Rough Road Spec Engine
Torque ABS-ECU
Electrical Malfunction
Electrical Wiring Diagrams, Troubleshooting & Component Locations - Check wire connection between ECM and ABS control module Page 24
-
198

P1609 18017 Crash shut-down
activated Accident with airbag triggered or a output Test Diagnostic Mode (TDM) has
been carried out, therefore erase DTC Memory in ECM; Notes crash signal
Page 24
-196

P1612 18020 Electronic Control Module
2)
Incorrect Coding - Check or code Engine Control Module (ECM) Page 01
-93
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 82 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