- P23B4NOx Sensor Heater Sense Circuit Bank 1 Sensor 3Full content
- P23B5NOx Sensor Heater Sense Circuit Range/Performance Bank 1 Sensor 3Full content
- P23B6NOx Sensor Supply Voltage Circuit Bank 1 Sensor 3Full content
- P23B7NOx Sensor Heater Control Circuit Range/Performance Bank 1 Sensor 3Full content
- P23B8NOx Sensor Heater Sense Circuit Low Bank 1 Sensor 3Full content
- P23B9NOx Sensor Heater Sense Circuit High Bank 1 Sensor 3Full content
- P23BANOx Sensor Heater Sense Circuit Intermittent Bank 1 Sensor 3Full content
- P23BBNOx Sensor Heater Resistance Bank 1 Sensor 3Full content
- P23BCNOx Sensor Calibration Memory Bank 1 Sensor 3Full content
- P23BDNOx Sensor Performance - Signal Biased/Stuck High Bank 1 Sensor 3Full content
- P23BENOx Sensor Performance - Signal Biased/Stuck Low Bank 1 Sensor 3Full content
- P23BFNOx Sensor Performance - Slow Response Low to High Bank 1 Sensor 3Full content
- P23C0NOx Sensor Performance - Slow Response High to Low Bank 1 Sensor 3Full content
- P23C1NOx Sensor Performance - Sensing Element Bank 1 Sensor 3Full content
- P23C2NOx Sensor Delayed Response - High to Low Bank 1 Sensor 3Full content
- P23C3Engine Coolant Bypass Valve C Position Sensor CircuitFull content
- P23C4Engine Coolant Bypass Valve C Position Sensor Circuit LowFull content
- P23C5Engine Coolant Bypass Valve C Position Sensor Circuit HighFull content
- P23C6Engine Coolant Bypass Valve C Control Circuit Driver Current/Temperature Too HighFull content
- P23C7Fuel Heater Control Module Power Control Circuit/OpenFull content
- P23C8Fuel Heater Control Module Power Control Circuit LowFull content
- P23C9Fuel Heater Control Module Power Control Circuit HighFull content
- P23CAFuel Rail Heater Control Circuit/OpenFull content
- P23CBFuel Rail Heater Control Circuit LowFull content
- P23CCFuel Rail Heater Control Circuit HighFull content
- P23CDFuel Heater Control Module Feedback Signal/OpenFull content
- P23CEFuel Heater Control Module Feedback Signal PerformanceFull content
- P23CFFuel Heater Control Module Feedback Signal Circuit LowFull content
- P23D0Fuel Heater Control Module Feedback Signal Circuit HighFull content
- P23D1Cylinder 1 Fuel Heater Control Circuit/OpenFull content
- P23D2Cylinder 1 Fuel Heater Control Circuit HighFull content
- P23D3Cylinder 1 Fuel Heater Control Circuit LowFull content
- P23D4Cylinder 1 Fuel Heater PerformanceFull content
- P23D5Cylinder 2 Fuel Heater Control Circuit/OpenFull content
- P23D6Cylinder 2 Fuel Heater Control Circuit HighFull content
- P23D7Cylinder 2 Fuel Heater Control Circuit LowFull content
- P23D8Cylinder 2 Fuel Heater PerformanceFull content
- P23D9Cylinder 3 Fuel Heater Control Circuit/OpenFull content
- P23DACylinder 3 Fuel Heater Control Circuit HighFull content
- P23DBCylinder 3 Fuel Heater Control Circuit LowFull content
- P23DCCylinder 3 Fuel Heater PerformanceFull content
- P23DDCylinder 4 Fuel Heater Control Circuit/OpenFull content
- P23DECylinder 4 Fuel Heater Control Circuit HighFull content
- P23DFCylinder 4 Fuel Heater Control Circuit LowFull content
- P23E0Cylinder 4 Fuel Heater PerformanceFull content
- P23E1EGR C Control Circuit/OpenFull content
- P23E2EGR C Control Circuit PerformanceFull content
- P23E3EGR C Control Circuit LowFull content
- P23E4EGR C Control Circuit HighFull content
- P23E5EGR C Control Stuck OpenFull content
- P23E6EGR C Control Stuck ClosedFull content
- P23E7EGR C Flow Insufficient DetectedFull content
- P23E8EGR C Flow Excessive DetectedFull content
- P23E9Camshaft A Position Signal Output Circuit/Open Bank 2Full content
- P23EACamshaft A Position Signal Output Circuit Low Bank 2Full content
- P23EBCamshaft A Position Signal Output Circuit High Bank 2Full content
- P23ECCamshaft B Position Signal Output Circuit/Open Bank 1Full content
- P23EDCamshaft B Position Signal Output Circuit Low Bank 1Full content
- P23EECamshaft B Position Signal Output Circuit High Bank 1Full content
- P23EFCamshaft B Position Signal Output Circuit/Open Bank 2Full content
Other systems
This information follows the generic OBD-II definition and does not replace a vehicle-specific diagnosis. The severity rating is rule-based; an authorised diagnostic reading is required for a definitive answer.