Fault code lookup

Proton fault codes

8,866 codes · 50 vehicle records · 175 ECU records · 0 live-data parameters

Search only Proton codes

Codes 8,866

CodeDescriptionBrandsSystem
U161ANo description available3Network
U161BNo description available3Network
U1640No description available9Network
U1641No description available3Network
U1642Communication with economy running10Network
U1643No description available8Network
U1700SCU message lost24Network
U1701ECM message lost20Network
U1702ESC message lost19Network
U1703CAN shift lever signal error19Network
U1704Dr.P/W SW CAN Timeout/Not equip17Network
U1705CAN brake signal error19Network
U1706F-CAN Malfunction (EVCC - Ethernet and OTA Unit)21Network
U1707CAN throttle signal error16Network
U1708VCU message lost12Network
U1770Orimliga kodningsdata6Network
U1800Controller Area Network (CAN) Bus Communication18Network
U1801Alive counter received from Electronic Stability Program (ESP) invalid16Network
U1802Vehicle speed data failure13Network
U1803Engine oil level information failure12Network
U1804Steering wheel angle information failure11Network
U1805Wheel pulse counter information failure10Network
U1806Yaw rate signal plausibility detection failed10Network
U1819No description available9Network
U1820CAN-C (sub) bas12Network
U1821Brake system failure12Network
U1822Bus-off (CAN-C sub)11Network
U185DFuel Injector Control Module Lost Communication with Engine Control Module8Network
U187FCyber Security Malfunction(Secure Boot)2Network
U1900Checksum (CRC) received from Engine Management Module (EMS) invalid13Network
U1901Tab af BMU-besked11Network
U1902Checksum (CRC) received from Electronic Stability Program (ESP) invalid10Network
U1910DostanĂ¡ chyba z MCU5Network
U1911Erro recebido da BMU5Network
U1912Erro recebido do MOS4Network
U1920K-lijnfout6Network
U1921K-lijnfout5Network
U1922K-lijnfout4Network
U1923DiagMuxON LIN (Missing Message - If the kick sensor ECU is unable to send a response)4Network
U1924DiagMuxON LIN (Missing Message - If the PSD ECU can not send header)6Network
U1925Mottatt data ugyldig4Network
U1926EV ECU V-CAN-fel4Network
U1927Bat-LIN checksumfejl4Network
U1928Bat-LIN checksumfejl4Network
U1929CAN DRV PWT CAN nincs jel4Network
U192ABat-LIN checksum error3Network
U192BBat-LIN checksum error3Network
U192CBat-LIN checksum error3Network
U192DBat-LIN checksum error3Network
U192EBat-LIN checksum error3Network

Some brand data is extracted from diagnostic files and may contain manufacturer-specific wording. General SAE J2012 descriptions are used where available.

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