1999 AUDI A4 ATW Engine Diagnostic Trouble Code Table Workshop Manual

01-23

DTC
DTC text
Corrective action
SAE
VAG


P0300 16684 Combustion misfire detected
- Check fuel pressure Page 24
-33
- Check fuel injectors Page 24
-38
P0301 16685 Cyl. 1 combustion misfire detected
- Check spark plugs and ignition wires with connector
P0302 16686 Cyl. 2 combustion misfire detected
- Ignition coils with power output stages Checking Page 28
-4
P0303 16687 Cyl. 3 combustion misfire detected
- Check misfire recognition Page 28
-51
P0304 16688 Cyl. 4 combustion misfire detected
- Fill fuel tank with fuel
P0321 16705 Engine Speed (RPM) sensor -G28-
Implausible signal - Check sender for fuel gauge Page 28
-26
P0322 16706 Engine Speed (RPM) sensor -G28-
No signal
Pa
ge 9 of 40 Dia
gnostic Trouble Code
(DTC
) table
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01-24

DTC
DTC text
Corrective action
SAE
VAG


P0327 16711 Knock Sensor (KS) 1 -G61-
Signal too small - Check knock sensor Page 28
-41
P0328 16712 Knock Sensor (KS) 1 -G61-
Signal too large
P0332 16716 Knock Sensor (KS) 2 -G66-
Signal too small
P0333 16717 Knock Sensor (KS) 2 -G66-
Signal too large
P0341 16725 Camshaft Position (CMP) sensor -G40-
Implausible signal - Check Camshaft Position (CMP) sensor Page 28
-45Pa
ge 10 of 40 Dia
gnostic Trouble Code
(DTC
) table
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01-25

DTC
DTC text
Corrective action
SAE
VAG


P0411 16795 Secondary air system
Throughput faulty
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 combination valve.
- Check hose setup (Secondary Air Injection -AIR- solenoid valve); check intake
system for leaks (false air) Page 24
-68

P0422 16806 Bank 1, main catalytic
converter
Not effective enough
Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine 1.8 Liter
4-Cyl. 5V Turbo Engine Mechanical, Engine Code(s): AEB, ATW, Repair Group
26
- Generate readiness code Page 01
-73
. If the same malfunction is indicated
again, replace catalytic converter.
P0441 16825 Tank ventilation system
Throughput faulty - Check Evaporative Emission (EVAP) canister purge regulator valve Page
24
-107

Pa
ge 11 of 40 Dia
gnostic Trouble Code
(DTC
) table
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01-26

DTC
DTC text
Corrective action
P0442 16826 Tank ventilation
system
Small leak
detected - Checking fuel supply and ventilation systems for leaks
P0455 16839 Tank ventilation
system
Large leak
detected Repair Manual, Fuel Supply System, Repair Group 20; Fuel supply; EVAP canister
system components, servicing; tank leak diagnostic, performing.

P0456 16840 Tank ventilation
system
Pinhole leak
detected Repair Manual, Fuel Supply System, Repair Group 20
- Checking EVAP system for leaks using KLI9210 EVAP tester
Pa
ge 12 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
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01-27

DTC
DTC text
Corrective action
SAE
VAG


P0501 16885 Vehicle speed signal
Implausible signal - Checking Vehicle Speed Signal (VSS) Page 24
-157
P0506 16890 Idle control RPM below
specified value - Check throttle valve control module Page 24
-120
P0507 16891 Idle control RPM above
specified value - Check hose setup (Secondary Air Injection -AIR- solenoid valve); check
intake system for leaks (false air) Page 24
-68

P0560 16944 Voltage supply
Implausible signal - Check voltage supply for control module Page 28
-36
P0562 16946 Voltage supply
Voltage too low

P0563 16947 Voltage supply
Voltage too high

P0571 16955
Brake light switch -F-
1)

Implausible signal - Check brake light switch and brake pedal switch Page 24
-143
1) Brake pedal switch -F47- is monitored in addition to brake light switch -F-.
Pa
ge 13 of 40 Dia
gnostic Trouble Code
(DTC
) table
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01-28

DTC
DTC text
Corrective action
SAE
VAG


P0601 16985 Control module faulty
- Replacing Engine Control Module (ECM) Page 24
-23
P0604 16988 Control module faulty
P0605 16989 Control module faulty
P0685 17069 Main relay -J271-
Open circuit - Check motronic Engine Control Module (ECM) power supply relay -J271-
Page 28
-13

P1102 17510 Bank 1, sensor 1, heating
circuit
Short circuit to B+ - Check oxygen sensor heating Page 24
-99
P1105 17513 Bank 1, sensor 2, heating
circuit
Short circuit to B+
P1111 17519 Oxygen sensor control,
bank 1
System too lean - Check oxygen sensor control behind catalytic converter Page 24
-71
P1112 17520 Oxygen sensor control,
bank 1
System too rich
Pa
ge 14 of 40 Dia
gnostic Trouble Code
(DTC
) table
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01-29

DTC
DTC text
Corrective action
SAE
VAG


P1113 17521 Bank 1, sensor 1
Internal resistance too high - Check oxygen sensor heating Page 24
-99
P1114 17522 Bank 1, sensor 2
Internal resistance too high
P1115 17523 Bank 1, sensor 1, heating circuit
Short circuit to Ground (GND)
P1116 17524 Bank 1, sensor 1, heating circuit
Open circuit

P1117 17525 Bank 1, sensor 2, heating circuit
Short circuit to Ground (GND)
P1118 17526 Bank 1, sensor 2, heating circuit
Open circuit

Pa
ge 15 of 40 Dia
gnostic Trouble Code
(DTC
) table
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01-30

DTC
DTC text
Corrective action
SAE
VAG


P1127 17535 Bank 1, mixture adaptation (mult.)
System too rich - Road test vehicle (fuel in oil).
- Check fuel system pressure Page 24
-33
- Check Mass Air Flow (MAF) sensor Page 24
-60
- Check intake system for leaks (false air) Page 24
-68
P1128 17536 Bank 1, mixture adaptation (mult.)
System too lean - Check oxygen sensor before catalytic converter Page 24
-71
- Check oxygen sensor behind catalytic converter Page 24
-87
- Check fuel injectors Page 24
-38
.
Note:
mult. = multiplicative, means that malfunction is valid across entire range of engine speed and engine load.
Pa
ge 16 of 40 Dia
gnostic Trouble Code
(DTC
) table
11/21/2002 htt
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