P23xx OBD-II Codes (P2300–P2399)

100 fault codes in the P23xx range. Click any code for causes, diagnostic steps, severity, and common fixes.

Ignition Coil A Primary Control Circuit Low

Ignition Coil A Primary Control Circuit High

Ignition Coil B Primary Control Circuit Low

Ignition Coil B Primary Control Circuit High

Ignition Coil C Primary Control Circuit Low

Ignition Coil C Primary Control Circuit High

Ignition Coil D Primary Control Circuit Low

Ignition Coil D Primary Control Circuit High

Ignition Coil E Primary Control Circuit Low

Ignition Coil E Primary Control Circuit High

Ignition Coil F Primary Control Circuit Low

Ignition Coil F Primary Control Circuit High

Ignition Coil G Primary Control Circuit Low

Ignition Coil G Primary Control Circuit High

Ignition Coil H Primary Control Circuit Low

Ignition Coil H Primary Control Circuit High

Ignition Coil A Primary Control Circuit Low

Ignition Coil B Primary Control Circuit Low

Ignition Coil C Primary Control Circuit Low

Ignition Coil D Primary Control Circuit Low

Ignition Coil E Primary Control Circuit Low

Ignition Coil F Primary Control Circuit Low

Ignition Coil A Primary Control Circuit High

Ignition Coil B Primary Control Circuit High

Ignition Coil C Primary Control Circuit High

Ignition Coil D Primary Control Circuit High

Ignition Coil E Primary Control Circuit High

Ignition Coil F Primary Control Circuit High

Ignition Coil A Primary Control Circuit

Ignition Coil B Primary Control Circuit

Ignition Coil C Primary Control Circuit

Ignition Coil D Primary Control Circuit

Ignition Coil E Primary Control Circuit

Ignition Coil F Primary Control Circuit

Ignition Coil A Secondary Circuit

Ignition Coil B Secondary Circuit

Ignition Coil C Secondary Circuit

Ignition Coil D Secondary Circuit

Ignition Coil E Secondary Circuit

Ignition Coil F Secondary Circuit

Ignition Coil A Secondary Circuit Range/Performance

Ignition Coil B Secondary Circuit Range/Performance

Ignition Coil C Secondary Circuit Range/Performance

Ignition Coil D Secondary Circuit Range/Performance

Ignition Coil E Secondary Circuit Range/Performance

Ignition Coil F Secondary Circuit Range/Performance

Intake Manifold Runner Control Circuit/Open

Intake Manifold Runner Control Circuit Low

Intake Manifold Runner Control Circuit High

Intake Manifold Runner Flap Stuck Open

Intake Manifold Runner Flap Stuck Closed

Intake Manifold Runner Control Position Sensor/Switch Circuit

Intake Manifold Runner Control Position Sensor/Switch Circuit Range/Performance

Intake Manifold Runner Control Position Sensor/Switch Circuit Low

Intake Manifold Runner Control Position Sensor/Switch Circuit High

Intake Manifold Runner Control Position Sensor/Switch Circuit Intermittent

Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor A

Crankshaft Position - Camshaft Position Correlation Bank 1 Sensor B

Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor A

Crankshaft Position - Camshaft Position Correlation Bank 2 Sensor B

ECM/PCM Ignition Off Timer Performance

ECM/PCM Ignition Off Timer Too Short

ECM/PCM Ignition Off Timer Too Long

Fuel Pressure Regulator Circuit/Open

Fuel Pressure Regulator Circuit Low

Fuel Pressure Regulator Circuit High

Fuel Pressure Regulator Control Circuit Range/Performance

Fuel Pressure Regulator Control Circuit Intermittent

Injector Control Pressure Too High

Injector Control Pressure Too Low

Injector Control Pressure Slow Response

Injector Control Pressure System Performance - Minimum Pressure Not Met

Injector Control Pressure System Performance - Maximum Pressure Exceeded

Fuel Injection Pump Timing Offset

Fuel Injection Pump Calibration Data Incompatible

Fuel Injection Pump Speed/Timing Sensor Circuit

Fuel Injection Pump Speed/Timing Sensor Circuit Range/Performance

Fuel Injection Pump Speed/Timing Sensor Circuit Low

Fuel Injection Pump Speed/Timing Sensor Circuit High

Fuel Injection Pump Speed/Timing Sensor Circuit Intermittent

Fuel Injection Pump Fuel Metering Control Intermittent

Fuel Injection Timing Control Circuit/Open

Fuel Injection Timing Control Circuit Range/Performance

Fuel Injection Timing Control Circuit Low

Fuel Injection Timing Control Circuit High

Fuel Injection Timing Control Circuit Intermittent

Exhaust Gas Recirculation Sensor B Circuit

Exhaust Gas Recirculation Sensor B Circuit Range/Performance

Exhaust Gas Recirculation Sensor B Circuit Low

Exhaust Gas Recirculation Sensor B Circuit High

Exhaust Gas Recirculation Sensor B Circuit Intermittent

EGR Valve Stuck Open

EGR Valve Stuck Closed

Fuel Pressure Sensor Range/Performance

Fuel Pressure Sensor Circuit Intermittent/Erratic

Fuel Pressure Sensor Circuit Low Input

Fuel Pressure Sensor Circuit High Input

Direct Fuel Injection System Noise Sensor Circuit Range/Performance

Direct Fuel Injection System Noise Sensor Circuit Low

Direct Fuel Injection System Noise Sensor Circuit High

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