Possible causes – Blown Fuel Pump fuse– Open Fuel Pump Monitor Circuit– Faulty Fuel Pump Relay– Damaged ECM When is the code detected? The code will be set if an incorrect voltage on the control circuit of the fuel pump

Possible causes – Dirty Oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Damaged Engine Control Module (ECM) Tech notes

Possible causes – Dirty Oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Damaged Engine Control Module (ECM) Tech notes

Possible causes – Dirty Oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) harness is open or shorted– Damaged ECM Tech notes If the engine

Possible causes – Dirty Oil– Faulty variable valve timing (VVT)– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty oil control valve (OCV)– Damaged Engine Control Module (ECM) Tech notes

Possible causes – Dirty Oil– Faulty variable valve timing (VVT)– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty oil control valve (OCV)– Damaged Engine Control Module (ECM) Tech notes

Possible causes – Dirty Oil– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Damaged ECM Tech notes If the engine

Possible causes – Dirty Oil– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Damaged ECM Tech notes If the engine

Possible causes – Dirty Oil– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Damaged ECM Tech notes If the engine

Possible causes – Dirty Oil– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Damaged Engine Control Module (ECM) Tech notes

Possible causes – Dirty Oil– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Damaged Engine Control Module (ECM) Tech notes

Possible causes – Dirty Oil– Variable Valve Timing (VVT) circuit is open or shorted– Oil Control Valve (OCV) circuit is open or shorted– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Damaged Engine Control Module (ECM) Tech notes

Possible causes – Dirty Oil– Variable Valve Timing (VVT) sensor circuit is open or shorted– Variable Valve Timing (VVT) sensor poor electrical connection– Faulty Variable Valve Timing (VVT) sensor– Damaged ECM When is the code detected? The Engine Control Module

Possible causes – Dirty Oil– Variable Valve Timing (VVT) sensor circuit is open or shorted– Variable Valve Timing (VVT) sensor poor electrical connection– Faulty Variable Valve Timing (VVT) sensor– Damaged ECM When is the code detected? The Engine Control Module

Possible causes – Dirty Oil– Variable Valve Timing (VVT) sensor circuit is open or shorted– Variable Valve Timing (VVT) sensor poor electrical connection– Faulty Variable Valve Timing (VVT) sensor– Damaged ECM When is the code detected? The Engine Control Module

Possible causes – Dirty Oil– Variable Valve Timing (VVT) sensor circuit is open or shorted– Variable Valve Timing (VVT) sensor poor electrical connection– Faulty Variable Valve Timing (VVT) sensor– Damaged ECM When is the code detected? The Engine Control Module

Possible causes – Dirty or low engine oil– Faulty variable valve timing (VVT)– Faulty oil control valve (OCV)– Variable Valve Timing (VVT) harness is open or shorted– Oil Control Valve (OCV) harness circuit is open or shorted– Damaged ECM Tech

Possible causes – Dirty transmission fluid– Low transmission fluid level– Faulty line pressure solenoid valve ‘A’– Line pressure solenoid valve ‘A’ harness is open or shorted– Line pressure solenoid valve ‘A’ circuit poor electrical connection When is the code detected?

Possible causes – EGR passage clogged– Faulty EGR Vacuum Modulator Valve– Faulty EGR Valve– Faulty EGR solenoid valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection– Dead (Weak) battery– Faulty EGR temperature sensor

Possible causes – EGR volume control valve stuck open– Faulty EGR volume control valve– EGR solenoid valve harness is open or shorted– EGR solenoid valve circuit poor electrical connection– Faulty EGR temperature sensor and circuit When is the code detected?