Check-engine codes
What does my check-engine code mean?
Plain-English explanations for OBD-II trouble codes: what the code means, the most likely causes, symptoms, and how much labour a repair usually takes.
P2 codes · Powertrain (generic, extended)
- P26A4Engine Coolant Bypass Valve A Position Sensor Circuit
- P26A5Engine Coolant Bypass Valve A Position Sensor Circuit Range/Performance
- P26A6Engine Coolant Bypass Valve A Position Sensor Circuit Low
- P26A7Engine Coolant Bypass Valve A Position Sensor Circuit High
- P26A8Engine Coolant Bypass Valve A Position Sensor Circuit Intermittent/Erratic
- P26A9Engine Coolant Bypass Valve A Position Sensor Stop/Minimum Stop Performance
- P26AAEngine Coolant Bypass Valve A Position Sensor Maximum Stop Performance
- P26ABEngine Coolant Bypass Valve A Stuck/Open
- P26ACEngine Coolant Bypass Valve B Control Circuit / Open
- P26ADEngine Coolant Bypass Valve B Control Circuit Low
- P26AEEngine Coolant Bypass Valve B Control Circuit High
- P26AFEngine Coolant Bypass Valve B Stuck/Open
- P26B0Engine Coolant Bypass Valve B Range/Performance
- P26B1Engine Coolant Bypass Valve A Stuck Closed
- P26B2Engine Coolant Bypass Valve B Stuck Closed
- P26B3Fuel Shutoff Valve A Control Circuit Performance/Stuck Off
- P26B4Fuel Shutoff Valve A Control Circuit Stuck On
- P26B5Fuel Shutoff Valve B Control Circuit Performance/Stuck Off
- P26B6Fuel Shutoff Valve B Control Circuit Stuck On
- P26B7Engine Coolant Bypass Valve C Control Circuit / Open
- P26B8Engine Coolant Bypass Valve C Control Circuit Low
- P26B9Engine Coolant Bypass Valve C Control Circuit High
- P26BAEngine Coolant Bypass Valve C Stuck/Open
- P26BBEngine Coolant Bypass Valve C Range/Performance
- P26BCEngine Coolant Bypass Valve C Stuck Closed
- P26BDEngine Coolant Bypass Valve D Control Circuit / Open
- P26BEEngine Coolant Bypass Valve D Control Circuit Low
- P26BFEngine Coolant Bypass Valve D Control Circuit High
- P26C0Engine Coolant Bypass Valve D Stuck/Open
- P26C1Engine Coolant Bypass Valve D Range/Performance
- P26C2Engine Coolant Bypass Valve D Stuck Closed
- P26C3Internal Control Module Transmission Range Sensor Performance
- P26C4Internal Control Module Clutch Pedal Performance
- P26C5Exhaust Flow Control Valve A Control Circuit / Open
- P26C6Exhaust Flow Control Valve A Control Circuit Low
- P26C7Exhaust Flow Control Valve A Control Circuit High
- P26C8Chassis Control Module 1 Requested MIL Illumination
- P26C9Chassis Control Module 2 Requested MIL Illumination
- P26CAEngine Coolant Pump Control Circuit / Open
- P26CBEngine Coolant Pump Performance/Stuck Off
- P26CCEngine Coolant Pump Control Circuit Low
- P26CDEngine Coolant Pump Control Circuit High
- P26CEEngine Coolant Pump Overspeed/Air In System
- P26CFEngine Coolant Pump Control Module System Voltage
- P26D0Engine Coolant Pump Control Module System Voltage Low
- P26D1Engine Coolant Pump Control Module System Voltage High
- P26D2Engine Coolant Pump Control Module Over Temperature
- P26D3Engine Coolant Pump Supply Voltage Circuit
- P26D4Engine Coolant Pump Supply Voltage Circuit Low
- P26D5Engine Coolant Pump Supply Voltage Circuit High
- P26D6Engine Coolant Pump Clutch Control Circuit / Open
- P26D7Engine Coolant Pump Clutch Performance/Stuck Off
- P26D8Engine Coolant Pump Clutch Stuck On
- P26D9Engine Coolant Pump Clutch Control Circuit Low
- P26DAEngine Coolant Pump Clutch Control Circuit High
- P26DBEngine Sound Control A Circuit / Open
- P26DCEngine Sound Control A Circuit Low
- P26DDEngine Sound Control A Circuit High
- P26DEEngine Sound Control A Circuit Performance
- P26DFSensor Power Supply D Circuit / Open
- P26E0Sensor Power Supply D Circuit Low
- P26E1Sensor Power Supply D Circuit High
- P26E2Fuel Mode Indicator Lamp Control Circuit Low
- P26E3Fuel Mode Indicator Lamp Control Circuit High
- P26E4Starter Relay B Circuit
- P26E5Starter Relay B Circuit Low
- P26E6Starter Relay B Circuit High
- P26E7Actuator Supply Voltage D Circuit / Open
- P26E8Actuator Supply Voltage D Circuit Low
- P26E9Actuator Supply Voltage D Circuit High
- P26EAFuel Pump Control Module B
- P26EBAlternative Fuel Control Module System Voltage
- P26ECEngine Sound Control B Circuit / Open
- P26EDEngine Sound Control B Circuit Low
- P26EEEngine Sound Control B Circuit High
- P26EFEngine Sound Control B Circuit Performance
- P26F0Starter Relay A Stuck On
- P26F1Starter Relay A Stuck Off
- P26F2Starter Relay B Stuck On
- P26F3Starter Relay B Stuck Off
- P26F4Coolant Pump C Control Circuit / Open
- P26F5Coolant Pump C Control Circuit Low
- P26F6Coolant Pump C Control Circuit High
- P26F7Coolant Pump C Supply Voltage Circuit
- P26F8Coolant Pump C Stuck/Stalled
- P26F9Coolant Pump C Control Module Overtemperature
- P26FACoolant Pump C Overspeed/Air in System
- P26FBEGR Cooler Bypass Control Stuck Closed Bank 1
- P26FCEGR Cooler Bypass Control Stuck Closed Bank 2
- P26FDA/C Compressor Internal Control Module Performance
- P26FEExhaust Flow Control Valve A Control Performance
- P26FFAuto Configuration Throttle Input Not Present Bank 2
- P2700Transmission Friction Element A Apply Time Range/Performance
- P2701Transmission Friction Element B Apply Time Range/Performance
- P2702Transmission Friction Element C Apply Time Range/Performance
- P2703Transmission Friction Element D Apply Time Range/Performance
- P2704Transmission Friction Element E Apply Time Range/Performance
- P2705Transmission Friction Element F Apply Time Range/Performance
- P2706Shift Solenoid F
- P2707Shift Solenoid F Performance/Stuck Off
Code data: OBDex open dataset (CC0), reviewed and rewritten for drivers. Always confirm a diagnosis before replacing parts.