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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 12
CodeMeaningApplicability
P0131Oxygen (Lambda) Sensor B1 S1: Signal too Low DECIMAL
P0131Oxygen (Lambda) Sensor B1 S1: Signal too Low OBD
P0131Oxygen (Lambda) Sensor B1 S1: Signal too Low OEM
P0134Oxygen (Lambda) Sensor B1 S1: No Activity DECIMAL
P0134Oxygen (Lambda) Sensor B1 S1: No Activity OBD
P0134Oxygen (Lambda) Sensor B1 S1: No Activity OEM
P0140Oxygen (Lambda) Sensor B1 S2: No Activity DECIMAL
P0140Oxygen (Lambda) Sensor B1 S2: No Activity OBD
P0140Oxygen (Lambda) Sensor B1 S2: No Activity OEM
P0141Oxygen (Lambda) Sensor B1 S2; Heating Circuit: Malfunction DECIMAL
P0141Oxygen (Lambda) Sensor B1 S2; Heating Circuit: Malfunction OBD
P0141Oxygen (Lambda) Sensor B1 S2; Heating Circuit: Malfunction OEM
P0150Oxygen (Lambda) Sensor B2 S1: Malfunction in Circuit OBD
P0150Oxygen (Lambda) Sensor B2 S1: Malfunction in Circuit OEM
P0154 DECIMAL
P0154 OBD
P0154 OEM
P0160Oxygen (Lambda) Sensor B2 S2: No Activity OBD
P0160Oxygen (Lambda) Sensor B2 S2: No Activity OEM
P0171Fuel Trim; Bank 1: System Too Lean DECIMAL
P0171Fuel Trim; Bank 1: System Too Lean OBD
P0171Fuel Trim; Bank 1: System Too Lean OEM
P0172/P0172 - System Too Rich, Bank 1 DECIMAL
P0172/P0172 - System Too Rich, Bank 1 OBD
P0172/P0172 - System Too Rich, Bank 1 OEM
P0174System Too Lean, Bank 2 OBD
P0174System Too Lean, Bank 2 OEM
P017516555/P0171 - System Too Rich, Bank 2 OBD
P017516555/P0171 - System Too Rich, Bank 2 OEM
P0177Sensor for Fuel Composition / Quality (G446): Implausible Signal DECIMAL
P0177Sensor for Fuel Composition / Quality (G446): Implausible Signal OBD
P0177Sensor for Fuel Composition / Quality (G446): Implausible Signal OEM
P0180Fuel Temperature Sensor A (G81): Signal Too Low OBD
P0180Fuel Temperature Sensor A (G81): Signal Too Low OEM
P0181Fuel Temperature Sensor (G81): Implausible Signal DECIMAL
P0181Fuel Temperature Sensor (G81): Implausible Signal OBD
P0181Fuel Temperature Sensor (G81): Implausible Signal OEM
P0182Fuel Temperature Sensor A (G81): Circuit Low Input OBD
P0182Fuel Temperature Sensor A (G81): Circuit Low Input OEM
P0183/P0183 - Fuel Temperature Sensor A (G81): Open or Short to Plus DECIMAL
P0183/P0183 - Fuel Temperature Sensor A (G81): Open or Short to Plus OBD
P0183/P0183 - Fuel Temperature Sensor A (G81): Open or Short to Plus OEM
P0184Fuel Temperature Sensor A (G81): Intermittent OBD
P0184Fuel Temperature Sensor A (G81): Intermittent OEM
P0185Fuel Temperature Sensor B (G248): Circuit Low Input OBD
P0185Fuel Temperature Sensor B (G248): Circuit Low Input OEM
P0186Fuel Temperature Sensor B (G248): Circuit Range / Performance OBD
P0186Fuel Temperature Sensor B (G248): Circuit Range / Performance OEM
P0187Fuel Temperature Sensor B (G248): Signal Too Low OBD
P0187Fuel Temperature Sensor B (G248): Signal Too Low OEM

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