Audi A3 Fault Codes list

Audi A3 Diagnostic Trouble Codes (1.6 liters I4)

With on-board diagnostics (OBD)

 

Code

Malfunction

P0105

Damage to the electrical circuit the air flow meter sensor

P0112

Low air temperature sensor signal

P0113

High level air temperature sensor signal

P0116

Damage to the electrical circuit coolant temperature sensor

P0117

Low coolant temperature sensor signal

P0118

High level of coolant temperature sensor signal

P0121

Damage to the electrical circuit of the throttle position sensor

P0122

If signal = low throttle position sensor

P0123

The high signal level of the throttle position sensor

P0130

Damage to the oxygen sensor circuit

P0131

Low oxygen sensor signal

P0132

A high level of oxygen sensor signal

P0133

Oxygen sensor slow response

P0134

Low efficiency of oxygen sensor

P0135

Damage to the electrical circuit of the heated oxygen sensor

P0136

Damage to the electrical circuit of the lower oxygen sensor

P0137

If signal = low, lower oxygen sensor

P0138

The high signal level of the lower oxygen sensor

P0141

Damage to the electrical circuit of the heated oxygen sensor

P0201

Damage to the electrical circuit fuel injector cylinder 1

P0202

Damage to the electrical circuit fuel injector cylinder 2

P0203

Damage to the electrical circuit fuel injector cylinder 3

P0204

Damage to the electrical circuit fuel injector cylinder 4

P0230

Damage to fuel system electrical circuit

P0300

Random misfiring

P0301

Misfiring in 1-m cylinder

P0302

Misfiring in 2-cylinder

P0303

Misfiring in 3-cylinder

P0304

Misfiring in 4-cylinder

P0326

Knock sensor circuit damage

P0335

Damage to the electrical circuit the crankshaft angle sensor

P0336

Random failures of crankshaft angle sensor

P0342

Low level signal camshaft position sensor

P0343

High level of camshaft position sensor signal

P0422

Low efficiency of catalytic converter

P0444

Electrical circuit interruption valve cleaning carbon canisters

P0445

Electrical shorting of the cleaning valve activated charcoal canisters

P0501

Damage to the electrical circuit vehicle speed sensor

P0506

Reduced crankshaft rotation speed at idle

P0507

Increased frequency of rotation of the crankshaft at idling

P0562

Low voltage in the on-board vehicle network

P0563

High voltage in the on-board vehicle network

P0606

Internal damage to the ESM unit

P1123

An enriched fuel mixture

P1124

Depleted fuel mixture

P1127

Long pereobogashhenie the fuel mixture

P1128

Long pereobednenie the fuel mixture

P1510

Always open the valve system idle due to a short circuit of electric power supply circuit valve coils

P1513

Always open the valve system idle due to a breakage of the valve coil power supply circuit

P1552

Permanently closed the valve system idle due to a short circuit of electric power supply circuit valve coils

P1553

Permanently closed the valve system idle due to a breakage of the valve coil power supply circuit

P1529

Damage to the gearbox control unit

P1586

Not corresponding to the signal received from the gearbox

P1605

Damage to the electrical circuit the acceleration sensor

P1606

Not corresponding to the signal received from the acceleration sensor

P1611

Low level input signal lamp MIL

P1613

High level input signal lamp MIL

P1610

Damage to the immobilizer SMATRA

P1800

Damage to the immobilizer antenna

P1801

Damage pulse transponder immobiliser

P1803

ESM signal error

 

Without onboard diagnostics (OBD)

 

Code

Malfunction

P0105

Damage to the electrical circuit the air flow meter sensor

P0112

Low air temperature sensor signal

P0113

High level air temperature sensor signal

P0116

Damage to the electrical circuit coolant temperature sensor

P0117

Low coolant temperature sensor signal

P0118

High level of coolant temperature sensor signal

P0121

Damage to the electrical circuit of the throttle position sensor

P0122

If signal = low throttle position sensor

P0123

The high signal level of the throttle position sensor

P0130

Damage to the oxygen sensor circuit

P0131

Low oxygen sensor signal

P0132

A high level of oxygen sensor signal

P0133

Oxygen sensor slow response

P0134

Low efficiency of oxygen sensor

P0135

Damage to the electrical circuit of the heated oxygen sensor

P0230

Damage to fuel system electrical circuit

P0201

Damage to the electrical circuit fuel injector cylinder 1

P0202

Damage to the electrical circuit fuel injector cylinder 2

P0203

Damage to the electrical circuit fuel injector cylinder 3

P0204

Damage to the electrical circuit fuel injector cylinder 4

P0326

Knock sensor circuit damage

P0335

Damage to the electrical circuit the crankshaft angle sensor

P0336

Random failures of crankshaft angle sensor

P0342

Low level signal camshaft position sensor

P0343

High level of camshaft position sensor signal

P0501

Damage to the electrical circuit vehicle speed sensor

P0506

Reduced crankshaft rotation speed at idle

P0507

Increased frequency of rotation of the crankshaft at idling

P0562

Low voltage in the on-board vehicle network

P0563

High voltage in the on-board vehicle network

P0606

Internal damage to the ESM unit

P1123

An enriched fuel mixture

P1124

Depleted fuel mixture

P1127

Long re enrichment fuel mixture

P1128

Long re impoverishment of the fuel mixture

P1510

Always open the valve system idle due to a short circuit of electric power supply circuit valve coils

P1513

Always open the valve system idle due to a breakage of the valve coil power supply circuit

P1552

Permanently closed the valve system idle due to a short circuit of electric power supply circuit valve coils

P1553

Permanently closed the valve system idle due to a breakage of the valve coil power supply circuit

P1586

Not corresponding to the signal received from the gearbox

P1610

Damage to the immobilizer SMATRA

P1800

Damage to the immobilizer antenna

P1801

Damage pulse transponder immobiliser

P1803

ESM signal error

P1805

Damage Of EEPROM

P1765

Damage of the torque reduction circuit

Audi A3 Diagnostic Trouble Codes (1,8 / 2,0 I4)

With on-board diagnostics (OBD)

 

Code

Malfunction

P0010

Chain camshaft position Activator (Group 1)

P0030

Oxygen sensor heater circuit damage (Group 1, sensor 1)

P0036

Oxygen sensor heater circuit damage (Group 1, sensor 2)

P0075

Damage circuit solenoid inlet valve control (Group 1)

P0076

Low signal in a circuit solenoid inlet valve control (Group 1)

P0077

High signal in the chain of control solenoid inlet valve (Group 1)

P0105

Damage to the electrical circuit sensor of absolute air pressure

P0106

Violation of the absolute air pressure sensor characteristics

P0110

Faulty air temperature sensor circuit

P0115

Damage to the electrical circuit coolant temperature sensor

P0116

Violation/amplitude characteristics of the coolant temperature sensor

P0120

Damage to the electrical circuit of the throttle position sensor

P0121

Violation/amplitude characteristics of throttle position sensor

P0125

Low coolant temperature

P0130

Damage to the oxygen sensor circuit (Group 1, sensor 2)

P0132

A high level of oxygen sensor signal (Group 1, sensor 2)

P0133

Oxygen sensor slow response (Group 1, sensor 1)

P0139

Oxygen sensor slow response (Group 1, sensor 2)

P0134

Low efficiency of oxygen sensor (Group 1, sensor 1)

P0135

Damage to the electrical circuit of the heated oxygen sensor (Group 1, sensor 1)

P0136

Damage to the electrical circuit of the lower oxygen sensor (Group 1, sensor 2)

P0140

Low efficiency of oxygen sensor (Group 1, sensor 2)

P0141

Damage to the electrical circuit of the heated oxygen sensor (Group 1, sensor 2)

P0170

Damage to fuel system (Group 1)

P0196

Violation/amplitude characteristics of engine oil temperature sensor

P0197

Low engine oil temperature sensor signal

P0198

High engine oil temperature sensor signal

P0201

Damage to the electrical circuit fuel injector cylinder 1

P0202

Damage to the electrical circuit fuel injector cylinder 2

P0203

Damage to the electrical circuit fuel injector cylinder 3

P0204

Damage to the electrical circuit fuel injector cylinder 4

P0230

Damage to fuel system electrical circuit

P0300

Random misfiring

P0301

Misfiring in 1-m cylinder

P0302

Misfiring in 2-cylinder

 

The fault codes in brackets () apply only to vehicles equipped with an immobilizer.

Without onboard diagnostics (OBD)

 

Code

Malfunction

P0010

Chain camshaft position Activator (Group 1)

P0075

Damage circuit solenoid inlet valve control (Group 1)

P0105

Damage to the electrical circuit sensor of absolute air pressure

P0110

Faulty air temperature sensor circuit

P0115

Damage to the electrical circuit coolant temperature sensor

P0116

Violation/amplitude characteristics of the coolant temperature sensor

P0120

Damage to the electrical circuit of the throttle position sensor

P0130

Damage to the oxygen sensor circuit (Group 1, sensor 2)

P0132

A high level of oxygen sensor signal (Group 1, sensor 2)

P0134

Low efficiency of oxygen sensor (Group 1, sensor 1)

P0135

Damage to the electrical circuit of the heated oxygen sensor (Group 1, sensor 1)

P0196

Violation/amplitude characteristics of engine oil temperature sensor

P0197

Low engine oil temperature sensor signal

P0198

High engine oil temperature sensor signal

P0201

Damage to the electrical circuit fuel injector cylinder 1

P0202

Damage to the electrical circuit fuel injector cylinder 2

P0203

Damage to the electrical circuit fuel injector cylinder 3

P0204

Damage to the electrical circuit fuel injector cylinder 4

P0230

Damage to fuel system electrical circuit

P0325

Damage to the knock sensor 1 circuit

P0335

Damage to the electrical circuit the crankshaft angle sensor

P0340

Damage to the electrical circuit the camshaft position sensor (CMP)

P0443

Damage to the electrical circuit of the control valve fuel vapor recovery system

P0501

Violation/amplitude characteristics of vehicle speed sensor

P0560

Violations of the onboard vehicle network

P0605

Violations of the ESM unit self-test

P1515

Wrong adjustment valve control signal at idle (1 Coil)

P1516

Wrong signal valve idling adjustment (Coil 2)

P1602

Consistent communication with transmission control unit (TCU)

P1610

Communication with anti-theft system

P1800

Damage to the immobilizer antenna Smatra

P1801

Damage pulse transponder immobiliser Smatra

P1803

There is no request from the anti-theft system

P1805

Inconsistent data from the anti-theft system