AUDI A4 2000 B5 / 1.G AWM Engine Diagnostic Trouble Code Memory Checking User Guide

1) Intake manifold pressure is determined by the charge air pressure sensor -G31- (instead of -G71- as indicated), air
pressure is determined by the Barometric Pressure (BARO) sensor -F96- (in ECM).
Pa
ge 11 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
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yp
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pair&id=AUDI.B5.FU07.01.2

01-20

DTC
DTC text
Corrective action
SAE
VAG


P0130 16514 Bank 1, sensor 1
Electrical malfunction in
circuit - Check Oxygen Sensor (O2S) and oxygen sensor control before Three Way
Catalytic Converter (TWC) Page 24-71

P0131 16515 Bank 1, sensor 1
Voltage too low
P0132 16516 Bank 1, sensor 1
Voltage too high
P0133 16517 Bank1, sensor 1
Signal too slow
P0134 16518 Bank 1, sensor 1
No activity
P0135 16519 Bank 1, sensor 1
Heating circuit, electrical
malfunction
Pa
ge 12 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-21

DTC
DTC text
Corrective action
SAE
VAG


P0136 16520 Bank 2, sensor 1
Electrical malfunction
in circuit - Check Oxygen Sensor (O2S) and oxygen sensor control behind Three Way
Catalytic Converter (TWC) Page 24
-94

P0137 16521 Bank 2, sensor 1
Voltage too low
P0138 16522 Bank 2, sensor 1
Voltage too high
P0139 16523 Bank1, sensor 2
Signal too slow
P0140 16524 Bank 2, sensor 1
No activity
P0236 16620 Charge air pressure
sensor -G31-
Implausible signal Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code(s):
AWM, Repair Group 21, Charge air system with turbocharger, checking

P0237 16621 Charge air pressure
sensor -G31-
Signal too small
P0238 16622 Charge air pressure
Pa
ge 13 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

sensor -G31-
Signal too large
Pa
ge 14 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-22

DTC
DTC text
Corrective action
SAE
VAG


P0300 16684 Combustion misfire detected
- Check fuel pressure Page 24
-32
- Check fuel injectors Page 24
-37
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
-55
P0304 16688 Cyl. 4 combustion misfire detected
- Fill fuel tank with fuel
P0321 16705 Engine Speed (RPM) sensor -G28-
Implausible signal - Check engine speed (RPM) sensor Page 28
-27
P0322 16706 Engine Speed (RPM) sensor -G28-
No signal
Pa
ge 15 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-23

DTC
DTC text
Corrective action
SAE
VAG


P0327 16711 Knock Sensor (KS) 1 -G61-
Signal too small - Check knock sensor Page 28
-45
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
-49
P0342 16726 Camshaft Position (CMP) sensor -G40-
Signal too small
P0343 16727 Camshaft Position (CMP) sensor -G40-
Signal too large
Pa
ge 16 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-24

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):
AWM, Repair Group 26; Checking Secondary Air Injection (AIR) system

- Check hose setup (Secondary Air Injection -AIR- solenoid valve); check intake
system for leaks (false air) Page 24
-68

P0420 16804 Bank 1, catalytic
converter system
Not effective enough
Repair Manual, 1.8 Liter 4
-Cyl. 5V Turbo Engine Mechanical, Engine Code(s):
AWM, Repair Group 26
- Generate readiness code Page 01
-84
. If the same malfunction is indicated
again, replace catalytic converter.
P0422 16806 Bank 1, main catalytic
converter
Not effective enough
P0441 16825 Tank ventilation
system
Throughput faulty - Check Evaporative Emission (EVAP) canister purge regulator valve Page 24
-
114

Pa
ge 17 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-25

DTC
DTC text
Corrective action
SAE
VAG


P0442 16826 Tank ventilation
system
Small leak
detected Repair Manual, Fuel Supply System, Repair Group 20; Fuel supply; EVAP canister
system components, servicing; tank leak diagnostic, performing.
- Checking fuel supply and ventilation systems for leaks
P0455 16839 Tank ventilation
system
Large leak
detected Repair Manual, Fuel Supply System, Repair Group 20;
- Checking EVAP system for leaks using KLI9210 EVAP tester
P0456 16840 Tank ventilation
system
Pinhole leak
detected - Check tank system and tank ventilation systems for leaks

Repair Manual, Fuel Supply System, Repair Group 20; EVAP canister system
components, servicing; tank leak diagnostic, performing.

Repair Manual, Fuel Supply System, Repair Group 20;
- Checking EVAP system for leaks using KLI9210 EVAP tester
Pa
ge 18 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-26

DTC
DTC text
Corrective action
P0501 16885 Vehicle speed signal
Implausible signal - Checking Vehicle Speed Signal (VSS) Page 24
-165
P0506 16890 Idle control
RPM below specified
value - Check throttle valve control module Page 24
-124
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
-37
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
-149
1) Brake pedal switch -F47- is monitored in addition to brake light switch -F-.
Pa
ge 19 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2

01-27

DTC
DTC text
Corrective action
SAE
VAG


P0601 16985 Control module faulty
- Replacing Engine Control Module (ECM) Page 24
-22
P0604 16988 Control module faulty
P0605 16989 Control module faulty
P0606 16990 Control module faulty
P0685 17069 Main relay -J271-
Open circuit - Check motronic Engine Control Module (ECM) voltage supply relay -J271-
Page 28
-13

P0686 17070 Main relay -J271-
Short circuit to Ground
(GND)
P0687 17071 Main relay -J271-
Short circuit to B+
P0688 17072 Main relay, load circuit -
J271-
Open circuit
Pa
ge 20 of 49 Dia
gnostic Trouble Code
(DTC
) memor
y, checkin
g and erasin
g
11/22/2002 htt
p://127.0.0.1:8080/audi/servlet/Dis
play?action=Goto&t
yp
e=re
pair&id=AUDI.B5.FU07.01.2