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
P1933Throttle Actuator 2: Malfunction19Powertrain
P1935Invalid brake signal12Powertrain
P1938Auxiliary Engine Coolant Pump Relay (J496): Open or Short to Ground16Powertrain
P1940Powertrain Databus: Missing Message from Control Module for Battery Monitoring16Powertrain
P1941Powertrain Databus: Implausible Message from Controller for Batt. Monitoring16Powertrain
P1942Powertrain Databus: Missing Message from Level Control System16Powertrain
P1943Powertrain Databus: Implausible Message from Level Control System16Powertrain
P1961Exhaust Gas Temp Sensor 2 Bank 2 (G449): Electrical Malfunction16Powertrain
P1962Exhaust Gas Temp Sensor 2 Bank 2 (G449): Short to Ground14Powertrain
P1963Exhaust Gas Temp Sensor 2 Bank 2 (G449): Short to Plus14Powertrain
P1964Exhaust Gas Temp Sensor 2 Bank 2 (G449): Implausible Signal14Powertrain
P1965Exhaust Gas Temperature Regulation Bank 4: Control Limit Exceeded15Powertrain
P1966Relay for Secondary Air Injection Pump 3 (J704): Open Circuit14Powertrain
P1967Relay for Secondary Air Injection Pump 3 (J704): Short to Plus14Powertrain
P1968Relay for Secondary Air Injection Pump 3 (J704): Short to Ground14Powertrain
P1969Relay for Secondary Air Injection Pump 3 (J704): Electrical Malfunction14Powertrain
P1970PTC_CAN communication fault16Powertrain
P1971PTC current abnormal16Powertrain
P1972PTC temperature sensor broken circuit16Powertrain
P1973PTC temperature sensor short circuit16Powertrain
P1974PTC body temperature too high fault15Powertrain
P1975PTC_IGBT temperature too high fault15Powertrain
P1976PTC_IGBT_A fault15Powertrain
P1977PTC_IGBT_B fault16Powertrain
P1978PTC high voltage undervoltage fault15Powertrain
P1980PTC_B hot core disconnection fault15Powertrain
P1981PTC_IGBT temperature sensor fault16Powertrain
P198DShift lever ECU ROM/RAM fail4Powertrain
P198ELever position SNS.4Powertrain
P198FLever position SNS.5Powertrain
P1990Coolant Fan 3 Relay (J752) Short circuit to Ground9Powertrain
P1991Internal Control Module Memory Check Sum Error9Powertrain
P1992Potentiometer 2 for EGR (G466) Error in Basic Setting7Powertrain
P1993Potentiometer 2 for EGR (G466) Signal too large10Powertrain
P1994Potentiometer 2 for EGR (G466) Signal too small7Powertrain
P1995Door open signal not recognized; Upper limit exceeded8Powertrain
P1996Friction too High5Powertrain
P1997Friction too High7Powertrain
P1998Friction too High5Powertrain
P1999Friction too High11Powertrain
P199AUygunsuz motor torku4Powertrain
P199BSensor kawalan suhu enjin3Powertrain
P199CThermostat for cylinder head: short to plus6Powertrain
P199DThermostat for cylinder head: short to GND; Open circuit6Powertrain
P199EThermostat for cylinder head: open circuit; Defective6Powertrain
P19E4Motor torku için kayan sayaç5Powertrain
P19E5Rolling count for engine torque 26Powertrain
P19E6Rolling count for accelerator position5Powertrain
P19E7Rolling count for engine speed and throttle position5Powertrain
P19E8CAN isyarat tidak sah bagi suhu udara masuk enjin5Powertrain

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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