Audi Workshop Service and Repair Manuals > A4 Mk1 > Power unit | Motronic Fuel Injection and Ignition System (6-cylinder) | Self diagnosis, V.A.G Inspection Service | Interrogating and erasing fault memory | Fault codes up to fault code P1338 (17746)

Fault codes up to fault code P3262 (16646) > < Fault table

Motronic Fuel Injection and Ignition System (6-cylinder)

Interrogating and erasing fault memory

Fault codes up to fault code P1338 (17746)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0101	16485	Air mass meter -G70 Implausible signal 1)	- Checking air mass meter
P0102	16486	Air mass meter -G70 Signal too small 1)
P0103	16487	Air mass meter -G70 Signal too great 1)
P0112	16496	Intake air temperature sender -G42 Signal too small 1)	- Checking the intake air temperature sender
P0113	16497	Intake air temperature sender -G42 Signal too great 1)
P0116	16500	Coolant temperature sender -G62 Implausible signal 1)	- Test coolant temperature sensor
P0117	16501	Coolant temperature sender -G62 Signal too small 1)
P0118	16502	Coolant temperature sender -G62 Signal too great 1)

1) When this fault occurs within three consecutive driving cylces (engine running at least 5 seconds) the engine control unit switches on the exhaust warning lamp in dash panel insert. Notes on exhaust warning lamp .


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0130	16514	Bank1 - probe 1 Electrical fault in current circuit 1)	- Check lambda probe and lambda control upstream of catalytic converter => Page 24-80
P0131	16515	Bank1 - probe 1 Voltage too low 1)
P0132	16516	Bank1 - probe 1 Voltage too high 1)
P0133	16517	Bank1 - probe 1 Signal too slow 1)
P0134	16518	Bank1 - probe 1 No activity 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0136	16520	Bank1 - probe 2 Electrical fault in current circuit 1)	- Check lambda probe and lambda control downstream of catalytic converter => Page 24-101
P0137	16521	Bank1 - probe 2 Voltage too low 1)
P0138	16522	Bank1 - probe 2 Voltage too high 1)
P0139	16523	Bank1, probe 2 Signal too slow
P0140	16524	Bank1 - probe 2 No activity 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0150	16534	Bank1 - probe 2 Electrical fault in current circuit 1)	- Check lambda probe and lambda control upstream of catalytic converter => Page 24-80
P0151	16535	Bank1 - probe 2 Voltage too low 1)
P0152	16536	Bank1 - probe 2 Voltage too high 1)
P0153	16537	Bank1 - probe 2 Signal too slow 1)
P0154	16538	Bank1 - probe 2 No activity 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0156	16540	Bank 2, probe 2 Electrical fault in current circuit 1)	- Check lambda probe and lambda control downstream of catalytic converter => Page 24-101
P0157	16541	Bank 2, probe 2 Voltage too low 1)
P0158	16542	Bank 2, probe 2 Voltage too high 1)
P0159	16543	Bank 2, probe 2 Signal too slow
P0160	16544	Bank 2, probe 2 No activity 1)
P0219	16603	Maximum engine speed exceeded	- Rectify mechanical damage


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0300	16684	Misfire detected 1)	- Check the fuel pressure.
P0301	16685	Cyl. 1 misfire detected 1)	- Test spark plugs and ignition wiring
P0302	16686	Cyl. 2 misfire detected 1)	- Check ignition coils => Page 28-7.
P0303	16687	Cyl. 3 misfire detected 1)	- Checking output stages => Page 28-10
P0304	16688	Cyl. 4 misfire detected 1)	- Test misfire detection => Page 28-52
P0305	16689	Cyl. 5 misfire detected 1)	- Refuel the vehicle
P0306	16690	Cyl. 6 misfire detected 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0321	16705	Engine speed sender -G28 Implausible signal	- Checking engine speed sender .
P0322	16706	Engine speed sender -G28 No signal 1)
P0327	16711	Knock sensor 1 -G61 Signal too small	- Check knock sensor => Page 28-41
P0328	16712	Knock sensor 1 -G61 Signal too great
P0332	16716	Knock sensor 2 -G66 Signal too small
P0333	16717	Knock sensor 2 -G66 Signal too great
P0341	16725	Camshaft position sensor => sender -G40 Implausible signal 1)	- Check hall sender => Page 28-45
P0346	16730	Camshaft position sensor => sender -G163 Implausible signal 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0420	16804	Catalytic converter system Bank 1, inefficient 1)	- Produce readiness code => Page
P0421	16805	Front catalytic converter Bank 1, Too inefficient	- Produce readiness code => Page

Note:

The front catalytic converters are directly behind the exhaust manifold in the exhaust feed pipe of the relevant cylinder bank.


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0430	16814	Catalytic converter system Bank 2, Inefficient 1)	- Produce readiness code => Page
P0431	16815	Front catalytic converter Bank 2, Inefficient	- Produce readiness code => Page

Note:

The front catalytic converters are directly behind the exhaust manifold in the exhaust feed pipe of the relevant cylinder bank.


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0501	16885	Vehicle speed signal Implausible signal 1)	- Check speed signal
P0506	16890	Idling speed regulation Engine speed below specified value	- Checking throttle valve control unit
P0507	16891	Idling speed regulation Engine speed above specified value	- Check hose connections (valve for intake manifold changeover valve and secondary air induction); Check intake system for leakages => Page 24-68
P0560	16944	Voltage supply Implausible signal	- Check supply voltage for engine control unit => Page 28-30
P0562	16946	Voltage supply Voltage too low
P0563	16947	Voltage supply Voltage too high


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P0571	16955	Brake light switch -F2) Implausible signal	- Check brake light switch and brake pedal switch => Page 24-167
P0601	16985	Control unit defective 1)	- Replace engine control unit => Page 24-22
P0604	16988	Control unit defective 1)
P0605	16989	Control unit defective 1)
P1102	17510	Bank1, probe 1, heating circuit Short to positive 1)	- Check Lambda probe heating
P1105	17513	Bank 1, probe 2, heating circuit Short to positive 1)
P1107	17515	Bank 2, probe 1, heating circuit Short to positive 1)
P1110	17518	Bank 2, probe 2, heating circuit Short to positive 1)

2) The brake pedal switch -F47 is monitored in addition to the brake light switch.


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1111	17519	Lambda control Bank1 System too lean	- Check lambda control upstream of catalytic converter
P1112	17520	Lambda control Bank1 System too rich
P1113	17521	Bank1 - probe 1 Internal resistance too high	- First check signal wires for contact resistances => Page 24-93; if there are no contact resistances: Fit a new lambda probe
P1114	17522	Bank1 - probe 2 Internal resistance too high 1)	- First check signal wires for contact resistances => Page 24-117; if there are no contact resistances: Fit a new lambda probe


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1115	17523	Bank 1, probe 1, heating circuit Short to earth 1)	- Check Lambda probe heating
P1116	17524	Bank 1, probe 1, heating circuit Open circuit 1)
P1117	17525	Bank 1, probe 2, heating circuit Short to earth 1)
P1118	17526	Bank 1, probe 2, heating circuit Open circuit 1)
P1119	17527	Bank 2, probe 1, heating circuit Short to earth 1)
P1120	17528	Bank 2, probe 1, heating circuit Open circuit 1)
P1121	17529	Bank 2, probe 2, heating circuit Short to earth 1)
P1122	17530	Bank 2, probe 2, heating circuit Open circuit 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1127	17535	Bank 1, mixture adaption (mult.) System too rich	- Test drive vehicle (fuel in oil) Check fuel system pressure => Page 24-34
P1128	17536	Bank 1, mixture adaption (mult.) System too lean	- Check air mass meter => Page24-68
P1129	17537	Bank 2, mixture adaption (mult.) System too rich	- Check lambda probes upstream of catalytic converter
P1130	17538	Bank 2, mixture adaption (mult.) System too lean	- Check lambda probes downstream of catalytic converter
P1131	17539	Bank 2, probe 1 Internal resistance too high	- First check signal wires for contact resistances => Page 24-94; if there are no contact resistances: Fit a new lambda probe

Note:

mult. - multiplicative means that the fault occurs throughout the entire speed range and load range.


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1136	17544	Bank 1, mixture adaption (add.) System too lean	- Test drive vehicle (fuel in oil) Check fuel system pressure => Page 24-34
P1137	17545	Bank 1, mixture adaption (add.) System too rich	- Check air mass meter => Page 24-80
P1138	17546	Bank 2, mixture adaption (add.) System too lean	- Check lambda probes downstream of catalytic converter
P1139	17547	Bank 2, mixture adaption (add.) System too rich	- Check solenoid valve 1 for active carbon canister => Page 24-133
P1140	17548	Bank 2, probe 2 Internal resistance too high 1)	- First check signal wires for contact resistances => Page 24-119; if there are no contact resistances: Fit a new lambda probe

Note:

add. - additive means that fault only has effect during idling


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1141	17549	Load recognition implausible value	- Check whether the correct throttle valve control unit was installed => Parts List
P1142	17550	Load recognition Fallen below control limit	- Check air mass meter => Page 24-60
P1143	17551	Load recognition Control limit exceeded 1)
P1147	17555	Lambda control bank 2 System too lean	- Check lambda probe learned values and lambda control
P1148	17556	Lambda control bank 2 System too rich


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1149	17557	Lambda control Bank 1 Implausible control value	- Check lambda probe learned values and lambda control
P1150	17558	Lambda control Bank 2 Implausible control value	- Check for leaks in intake air system
P1171	17579	Angle sender 2 for throttle valve control element -G188 Implausible signal 3)	- Check angle sender for throttle valve control element => Page 24-150
P1172	17580	Angle sender 2 for throttle valve control element -G188 Signal too small 3)
P1173	17581	Angle sender 2 for throttle valve control element -G188 Signal too great 3)

3) With this fault, engine control unit switches on EPC warning lamp in dash panel insert. Notes on EPC warning lamp .


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1176	17584	Bank 1, lambda correction downstream of cat Control limit reached	- Check lambda probe ageing of lambda probe upstream of catalytic converter => Page 24-96
P1177	17585	Bank 2, lambda correction downstream of cat Control limit reached	- Check lambda probe and lambda control downstream of catalytic converter => Page 24-101
P1213	17621	Injector, cylinder 1 -N30 Short to positive 1)	- Check injectors
P1214	17622	Injector, cylinder 2 -N31 Short to positive 1)
P1215	17623	Injector, cylinder 3 -N32 Short to positive 1)
P1216	17624	Injector, cylinder 4 -N33 Short to positive 1)
P1217	17625	Injector, cylinder 5 -N83 Short to positive 1)
P1218	17626	Injector, cylinder 6 -N84 Short to positive 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1225	17633	Injector, cylinder 1 -N30 Short to earth 1)	- Check injectors
P1226	17634	Injector, cylinder 2 -N31 Short to earth 1)
P1227	17635	Injector, cylinder 3 -N32 Short to earth 1)
P1228	17636	Injector, cylinder 4 -N33 Short to earth 1)
P1229	17637	Injector, cylinder 5 -N83 Short to earth 1)
P1230	17638	Injector, cylinder 6 -N84 Short to earth 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1237	17645	Injector, cylinder 1 -N30 Open circuit 1)	- Check injectors
P1238	17646	Injector, cylinder 2 -N31 Open circuit 1)
P1239	17647	Injector, cylinder 3 -N32 Open circuit 1)
P1240	17648	Injector, cylinder 4 -N33 Open circuit 1)
P1241	17649	Injector, cylinder 5 -N83 Open circuit 1)
P1242	17650	Injector, cylinder 6 -N84 Open circuit 1)


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1250	17658	Fuel level too low	- Follow-on fault =>Note
P1296	17704	Fault in coolant system	- Check sensor for intake air temperature

Note:

The fault "Fuel level too low" is stored only in conjunction with misfiring or faults concerning lambda control if too little fuel is or was in the tank. The fault is stored in the control unit as static fault and is not set as a sporadic fault even if the vehicle is refuelled in the meantime.


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1325	17733	Knock control, cylinder 1 Control limit reached	- Check knock control => Page 28-33
P1326	17734	Knock control, cylinder 2 Control limit reached
P1327	17735	Knock control, cylinder 3 Control limit reached
P1328	17736	Knock control, cylinder 4 Control limit reached
P1329	17737	Knock control, cylinder 5 Control limit reached
P1330	17738	Knock control, cylinder 6 Control limit reached


Fault code		Fault readout	Fault remedy
SAE	V.A.G
P1335	17743	Engine torque monitoring 2 Control limit exceeded 3)	- High degree of leakage, check intake system for unmetered air
P1336	17744	Engine torque monitoring Control limit exceeded	- Check air mass meter => Page 28-23
P1337	17745	Bank 1, camshaft position sensor => -G163 Short to earth 1)	- Check hall sender => Page 28-45
P1338	17746	Bank 1, camshaft position sensor => -G163 Open circuit/short to positive 1)

3) With this fault, engine control unit switches on EPC warning lamp in dash panel insert. Notes on EPC warning lamp .

Power unit
Motronic Fuel Injection and Ignition System (6-cylinder) / Self diagnosis, V.A.G Inspection Service
Interrogating and erasing fault memory
Fault codes up to fault code P1338 (17746)

Fault codes up to fault code P3262 (16646) > < Fault table

Audi Workshop Service and Repair Manuals

A4 Mk1

Power unit Motronic Fuel Injection and Ignition System (6-cylinder) / Self diagnosis, V.A.G Inspection Service Interrogating and erasing fault memory Fault codes up to fault code P1338 (17746)

Power unit Motronic Fuel Injection and Ignition System (6-cylinder) / Self diagnosis, V.A.G Inspection Service Interrogating and erasing fault memory Fault codes up to fault code P1338 (17746)

Power unit
Motronic Fuel Injection and Ignition System (6-cylinder) / Self diagnosis, V.A.G Inspection Service
Interrogating and erasing fault memory
Fault codes up to fault code P1338 (17746)

Power unit
Motronic Fuel Injection and Ignition System (6-cylinder) / Self diagnosis, V.A.G Inspection Service
Interrogating and erasing fault memory
Fault codes up to fault code P1338 (17746)