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VAG Fault Codes & DTC List

Manufacturer and ECU-specific fault-code meanings. Check the stated ECU, model and code format against your diagnostic scan.

VAG fault codes — page 34
CodeMeaningApplicability
P2070Intake Manifold Tuning Valve (Bank 1): Stuck Open OBD
P2070Intake Manifold Tuning Valve (Bank 1): Stuck Open OEM
P2106Throttle Valve Actuator Module (J338): Power Limited due to Malfunction OBD
P2106Throttle Valve Actuator Module (J338): Power Limited due to Malfunction OEM
P2122Accelerator Position Sensor (G79): Signal too low DECIMAL
P2122Accelerator Position Sensor (G79): Signal too low OBD
P2128Accelerator Position Sensor 2 (G185): Signal too High OBD
P2128Accelerator Position Sensor 2 (G185): Signal too High OEM
P2133Throttle Position Sensor Bank 2: Signal too High OBD
P2133Throttle Position Sensor Bank 2: Signal too High OEM
P2177Bank 1; System Too Lean off Idle DECIMAL
P2177Bank 1; System Too Lean off Idle OBD
P2177Bank 1; System Too Lean off Idle OEM
P2179Bank 2; System Too Lean off Idle DECIMAL
P2179Bank 2; System Too Lean off Idle OBD
P2179Bank 2; System Too Lean off Idle OEM
P2181Performance Malfunction in Cooling System DECIMAL
P2181Performance Malfunction in Cooling System OBD
P2181Performance Malfunction in Cooling System OEM
P2187 DECIMAL
P2187 OBD
P2187 OEM
P219CFuel/Air Mixture Cylinder 1: Unbalanced DECIMAL
P219CFuel/Air Mixture Cylinder 1: Unbalanced OBD
P219DFuel/Air Mixture Cylinder 2: Unbalanced DECIMAL
P219DFuel/Air Mixture Cylinder 2: Unbalanced OBD
P219EFuel/Air Mixture Cylinder 3: Unbalanced DECIMAL
P219EFuel/Air Mixture Cylinder 3: Unbalanced OBD
P219FFuel/Air Mixture Cylinder 4: Unbalanced DECIMAL
P219FFuel/Air Mixture Cylinder 4: Unbalanced OBD
P21A0Fuel/Air Mixture Cylinder 5: Unbalanced DECIMAL
P21A0Fuel/Air Mixture Cylinder 5: Unbalanced OBD
P21A1Fuel/Air Mixture Cylinder 6: Unbalanced DECIMAL
P21A1Fuel/Air Mixture Cylinder 6: Unbalanced OBD
P21A2Fuel/Air Mixture Cylinder 7: Unbalanced DECIMAL
P21A2Fuel/Air Mixture Cylinder 7: Unbalanced OBD
P21A3Fuel/Air Mixture Cylinder 8: Unbalanced DECIMAL
P21A3Fuel/Air Mixture Cylinder 8: Unbalanced OBD
P21A4Fuel/Air Mixture Cylinder 9: Unbalanced DECIMAL
P21A4Fuel/Air Mixture Cylinder 9: Unbalanced OBD
P21A5Fuel/Air Mixture Cylinder 10: Unbalanced DECIMAL
P21A5Fuel/Air Mixture Cylinder 10: Unbalanced OBD
P21A6Fuel/Air Mixture Cylinder 11: Unbalanced DECIMAL
P21A6Fuel/Air Mixture Cylinder 11: Unbalanced OBD
P21A7Fuel/Air Mixture Cylinder 12: Unbalanced DECIMAL
P21A7Fuel/Air Mixture Cylinder 12: Unbalanced OBD
P2234Oxygen (Lambda) Sensor B2 S1: Signal Shorted to Heater Circuit DECIMAL
P2234Oxygen (Lambda) Sensor B2 S1: Signal Shorted to Heater Circuit OBD
P2234Oxygen (Lambda) Sensor B2 S1: Signal Shorted to Heater Circuit OEM
P2261Boost Pressure Control Valve (N249): Mechanical Malfunction DECIMAL

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