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Audi A3 Fault Codes


You can find common Audi A3 fault codes on this page that when clicked take you to a detailed description.

You can also type in the fault code you are getting below to find a more detailed description.

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Do you know the fault code already? Enter it in the box below and hit "Search Codes".

Audi A3 Recalls

When a car manufacturer detects a problem with a model they put out a recall notice and more often than not offer to fix the problem free of charge.

You can check to see if your Audi A3 has any recall notices on our sister site AutoRecalls.co, sorted by model year.

View Audi A3 Recalls ยป
Recall Notice Icon
Severity Icon 9/10

Error Icon P0299

Turbo / Super Charger Underboost

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Error Icon P00b7

Engine Coolant Flow Low/Performance

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Severity Icon 7/10

Error Icon P0171

System Too Lean (Bank 1)

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Severity Icon 7/10

Error Icon P0100

Mass or Volume Air flow Circuit Malfunction

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Severity Icon 8/10

Error Icon P0016

Crankshaft Position Camshaft Position Correlation Bank 1 Sensor A

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Error Icon P0491

Secondary Air Injection System Insufficient Flow Bank 1

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Severity Icon 8/10

Error Icon P0068

MAP / MAF - Throttle Position Correlation

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Severity Icon 3/10

Error Icon P0456

Evaporative Emissions System Small Leak Detected

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Severity Icon 4/10

Error Icon P0455

System Gross Leak Evaporative Emission

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Severity Icon 3/10

Error Icon P0441

Evaporative Emission Control System Incorrect Purge flow

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Severity Icon 3/10

Error Icon P0507

Idle Control System RPM higher Than Expected

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Severity Icon 7/10

Error Icon P0420

Catalyst System Efficiency Below Threshold (Bank 1)

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Severity Icon 8/10

Error Icon P0089

Fuel Pressure Regulator Performance

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Error Icon P0391

Camshaft Position Sensor B Circuit Range/Performance (Bank 2)

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Severity Icon 8/10

Error Icon P0301

Cylinder 1 Misfire Detected

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Severity Icon 6/10

Error Icon P0341

Camshaft Position Sensor Circuit Range/Performance

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Severity Icon 6/10

Error Icon P0138

O2 Sensor Circuit High Voltage (Bank 1 Sensor 2)

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Severity Icon 8/10

Error Icon P0014

Exhaust Camshaft Position Timing - Over-Advanced (Bank 1)

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Error Icon P0393

Camshaft Position Sensor B Circuit High Input (Bank 2)

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Error Icon P0638

Throttle Actuator Control Range/Performance (Bank 1)

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Severity Icon 8/10

Error Icon P0335

Crankshaft Position Sensor A Circuit Malfunction

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Severity Icon 7/10

Error Icon P0010

Intake Camshaft Position Actuator Circuit / Open (Bank 1)

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Severity Icon 3/10

Error Icon P2015

Intake Manifold Runner Position Sensor/Switch Circuit Range/Performance Bank 1

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Error Icon P0033

Turbo/Super Charger Bypass Valve Control Circuit / Open

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Error Icon U1113

SCP (J1850) Invalid or Missing Data for Primary Id

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Severity Icon 6/10

Error Icon P0174

System Too Lean (Bank 2)

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Severity Icon 5/10

Error Icon P2187

System Too Lean at Idle DTC

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Error Icon P2279

Intake Air System Leak

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Severity Icon 8/10

Error Icon P0340

Camshaft Position Sensor Circuit Malfunction

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Error Icon P0431

Warm Up Catalyst Efficiency Below Threshold (Bank 2)

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Error Icon P0444

Evaporative Emission Control System Purge Control Valve Circuit Open

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Severity Icon 8/10

Error Icon P0303

Cylinder 3 Misfire Detected

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Severity Icon 8/10

Error Icon P0776

Pressure Control Solenoid B Performance or Stuck off

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Error Icon P1847

Please check DTC

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Error Icon P1734

Gear Control Malfunction

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Error Icon P1101

O2 Sensor Circ. Bank 1-Sensor 1Voltage too Low/Air Leak

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Error Icon P1355

Cyl. 1, ignition

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Severity Icon 4/10

Error Icon P0031

Heated Oxygen Sensor (HO2S) Heater Circuit Low Voltage Bank 1 Sensor 1

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Error Icon P1113

Bank 1-Sensor 1 Internal Resistance too High

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Error Icon P2000

NOx Adsorber Efficiency Below Threshold Bank 1

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Error Icon P2181

Cooling System Performance

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Error Icon U1123

SCP (J1850) Invalid or Missing Data for Odometer

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Error Icon P1775

Hydraulic Pressure

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Error Icon P1093

Pre-Catalyst Fuel Trim Too Rich Bank 2

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Severity Icon 9/10

Error Icon P0473

Exhaust Pressure Sensor High

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Severity Icon 6/10

Error Icon P1206

Cyl.6-Fuel Inj.Circ.

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Severity Icon 4/10

Error Icon P0102

Mass or Volume Air Flow Circuit Low Voltage Input

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Severity Icon 3/10

Error Icon P0429

Catalyst Heater Control Circuit (Bank 1)

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Severity Icon 8/10

Error Icon P0087

Fuel Rail/System Pressure - Too Low

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Severity Icon 6/10

Error Icon P0384

Glow Plug/Heater Circuit B

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Severity Icon 4/10

Error Icon P0532

A/C Refrigerant Pressure Sensor Circuit Low Input

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Error Icon P0501

Vehicle Speed Sensor Range/Performance

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Error Icon P0116

Engine Coolant Temperature Circuit Range/Performance Problem

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Error Icon P1281

Injection Control Pressure Out Of Range High

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Severity Icon 6/10

Error Icon P0135

O2 Sensor Heater Circuit Malfunction (Bank 1 Sensor 1)

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Error Icon P0668

PCM / ECM / TCM Internal Temperature Sensor Circuit Low

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Severity Icon 9/10

Error Icon U0100

Lost Communication With ECM/PCM "A"

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Error Icon U1111

SCP (J1850) Invalid or Missing Data for Primary Id

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Error Icon U1017

SCP (J1850) Invalid or Missing Data for Primary Id

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Error Icon U0101

Lost Communication with TCM

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Error Icon U1121

SCP (J1850) Invalid or Missing Data for Primary Id

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Error Icon P0256

Injection Pump Fuel Metering Control B Malfunction (Cam/Rotor/Injector)

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Error Icon P0457

Evaporative Emission Control System Leak Detected

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Error Icon P1309

Misfire Monitor AICE Chip Fault

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Error Icon P1214

Cyl.2-Fuel Inj.Circ.

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Error Icon P1314

Misfire Rate Catalyst Damage Fault - Bank 2

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Error Icon P0003

Fuel Volume Regulator Control Circuit Low

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Error Icon P1316

Injector Driver Module Codes Detected

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Error Icon P1273

Cylinder #3 High To Low Side Open

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Error Icon U1044

SCP (J1850) Invalid or Missing Data for Traction Motor

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Error Icon P0575

Cruise Control Input Circuit

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Error Icon P0979

Shift Solenoid C Control Circuit Low

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Error Icon P1602

Power Supply (B+)

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Error Icon P1136

Long Term Fuel Trim Add. Fuel,Bank 1 System too Lean

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Error Icon P1545

Throttle Pos.Contr Malfunction

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Error Icon P1573

Left Eng. Mount Solenoid

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  • Manufacturer: Audi

About the A3