1999 AUDI A4 check engine

01-35

DTC
DTC text
Corrective action
SAE
VAG


P1250 17658 Fuel level too low
Repair Manual, Electrical Equipment On Board Diagnostic (OBD), Repair
Group 01, OBD of instrument cluster
- For resulting malfunction Note below
- Fill fuel tank with fuel, erase DTC memory
- Check DTC memory of instrument cluster
P1287 17695 Recirculating valve for
turbocharger -N249-
Open circuit Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code
(s): AEB, ATW, Repair Group 21, Charge air system with turbocharger, checking

P1288 17696 Recirculating valve for
turbocharger -N249-
Short circuit to B+

P1289 17697 Recirculating valve for
turbocharger -N249-
Short circuit to Ground
(GND)
Note:
The DTC "Fuel Level Too Low" is stored in connection with combustion misfires or malfunctions relating to oxygen sensor
control when there is/was too little fuel in fuel tank. The DTC is stored as a static malfunction and is not switched to sporadic
even if fuel tank has been filled with fuel in the meantime.
Pa
ge 22 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-36

DTC
DTC text
Corrective action
SAE
VAG


P1297 17705 Charger/throtle-valve
connection, Pressure loss - Check hoses between turbocharger and throttle valve:
Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine
Code(s): AEB, ATW, Repair Group 21; Turbocharger

Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine
Code(s): AEB, ATW, Repair Group 21; Charge pressure, leak test with VAG 1687

- Check air pressure system using VAG 1687 charge air system tester:
P1325 17733 Knock control, cyl. 1
Control limit reached - Check knock control Page 28
-40
P1326 17734 Knock control, cyl. 2
Control limit reached
P1327 17735 Knock control, cyl. 3
Control limit reached
P1328 17736 Knock control, cyl. 4
Control limit reached
Pa
ge 23 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-37

P1335 17743 Engine torque monitoring 2
Control limit exceeded - Significant leak; check intake system for leaks (false air) Page 24
-68
- Check Intake Air Temperature (IAT) sensor Page 28
-21
P1336 17744 Engine torque monitoring
Control limit exceeded - Check Mass Air Flow (MAF) sensor Page 24
-60
- Check coolant temperature sensor Page 28
-30
Pa
ge 24 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-38

DTC
DTC text
Corrective action
SAE
VAG


P1337 17745 Bank 1, Camshaft
Position (CMP) sensor -
G163-
Short circuit to Ground
(GND) - Check Camshaft Position (CMP) sensor Page 28
-45
P1338 17746 Bank 1, Camshaft
Position (CMP) sensor -
G163-
Open circuit/short circuit
to B+
P1340 17748 Camshaft Position
(CMP) / crankshaft
position sensor
incorrect allocation
Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code
(s): AEB, ATW, Repair Group 13; Engine, disassembling and assembling; removing and installing toothed belt
- Unscrew Camshaft Position (CMP) sensor and check whether shutter wheel
is mounted properly at camshaft. (If mounted improperly, locking lug will get
squished when mounting bolt is tightened.)
- Also check engine timing
Pa
ge 25 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-39

DTC
DTC text
Corrective action
SAE
VAG


P1386 17794 Control module faulty
- Replacing Engine Control Module (ECM) Page 24
-23
P1387 17795 Control module faulty
P1388 17796 Control module faulty
P1410 17818 EVAP canister purge
regulator valve -N80-
Short circuit to B+ - Check Evaporative Emission (EVAP) canister purge regulator valve
Page 24
-107

P1421 17829 Secondary Air Injection
(AIR) solenoid valve -N112-
Short circuit to Ground
(GND) Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine
Code(s): AEB, ATW, Repair Group 26; Checking Secondary Air Injection (AIR) system

P1422 17830 Secondary Air Injection
(AIR) solenoid valve -N112-
Short circuit to B+
Pa
ge 26 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-40

DTC
DTC text
Corrective action
SAE
VAG


P1424 17832 Bank 1, Secondary Air
Injection (AIR) system
Leak detected Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine
Code(s): AEB, ATW, Repair Group 26; Checking Secondary Air Injection (AIR) system
- Check hoses and components of the Secondary Air Injection (AIR) system
P1425 17833 EVAP canister purge
regulator valve -N80-
Short circuit to Ground
(GND) - Check Evaporative Emission (EVAP) canister purge regulator valve
Page 24
-107

P1426 17834 EVAP canister purge
regulator valve -N80-
Open circuit
P1432 17840 Secondary Air Injection
(AIR) solenoid valve -N112-
Open circuit Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine
Code(s):AEB, ATW, Repair Group 26; Checking Secondary Air Injection (AIR) system

P1433 17841 Secondary Air Injection
(AIR) pump relay -J299-
Open circuit
P1434 17842 Secondary Air Injection
(AIR) pump relay -J299-
Pa
ge 27 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-42

DTC
DTC text
Corrective action
SAE
VAG


P1500 17908 Fuel Pump (FP) relay -J17-
Electrical malfunction in circuit - Check Fuel Pump (FP) relay Page 24
-53
P1502 17910 Fuel Pump (FP) relay -J17-
Short circuit to B+
P1517 17925 Main relay -J271-
Failure in electrical circuit - Check motronic Engine Control Module (ECM) power
supply relay -J271- Page 28
-13

P1523 17931 Crash signal from airbag control module
Implausible signal
1) Repair Manual, Body On Board Diagnostic (OBD),
Repair Group 01; On Board Diagnostic (OBD) of airbag system

P1539 17947 Clutch vacuum vent valve switch -F36-
Implausible signal - Check clutch pedal switch Page 24
-149
P1542 17950 Angle sensor -1- for throttle drive (power
accelerator actuation) -G187-
Implausible signal - Check angle sensor -1- for throttle drive Page 24
-127
P1543 17951 Angle sensor -1- for throttle drive (power
accelerator actuation) -G187-Signal too
small
P1544 17952 Angle sensor -1- for throttle drive (power
accelerator actuation) -G187-
Pa
ge 31 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3

01-43

DTC
DTC text
Corrective action
SAE
VAG


P1545 17953 Throttle valve control
Malfunction - Check throttle valve control module Page 24
-120
P1546 17954 Wastegate bypass
regulator valve -N75-
Short circuit to B+ Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code
(s): AEB, ATW, Repair Group 21, Charge air system with turbocharger, checking

P1547 17955 Wastegate bypass
regulator valve -N75-
Short circuit to Ground
(GND)
P1548 17956 Wastegate bypass
regulator valve -N75-
Open circuit

P1555 17963 Maximum boost
pressure exceeded
P1556 17964 Boost pressure
regulation
Control limit not reached
P1557 17965 Boost pressure
regulation
Control limit exceeded Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code
(s): AEB, ATW, Repair Group 21, Charge pressure, leak test with VAG 1687
- Check air pressure system using VAG 1687 charge air system tester
Pa
ge 33 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU06.01.3