Chevrolet / GM Codes

Accelerator Pedal Position (APP) Sensor 3 Circuit

Motor (P)

Accelerator Pedal Position (APP) Sensor 3 Performance

Motor (P)

Accelerator Pedal Position Sensor 3 Circuit Low Voltage

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Accelerator Pedal Position Sensor 3 Circuit High Voltage

Motor (P)

Ignitor Circuit

Motor (P)

Ignition Coil 2 Primary Feedback Circuit

Motor (P)

Ignition Coil 3 Primary Feedback Circuit

Motor (P)

Ignition Coil 4 Primary Feedback Circuit

Motor (P)

IC Module 4X Ref Circuit Intermittent No Pulses

Motor (P)

Electronic Ignition System Fault Line

Motor (P)

EI System Or Ignition Control Missing

Motor (P)

24X Reference Circuit Low Frequency

Motor (P)

Crank RPM Too Low

Motor (P)

CKP Circuit

Motor (P)

Crankshaft Position System Variation Not Learned (CASE)

Motor (P)

GM requires the ECU to 'learn' the crankshaft sensor variation; this code means the procedure has not been per…

Crankshaft-Camshaft Position Correlation

Motor (P)

On GM, the crankshaft and camshaft sensor signals do not match, indicating a timing problem.…

Intake Camshaft Position (CMP) Sensor System Performance

Motor (P)

Ignition Control System

Motor (P)

IC Circuit High Voltage

Motor (P)

IC Output High/Pulse Detected When Grounded Cyl.2

Motor (P)

IC Output High/Pulse Detected When Grounded Cyl.3

Motor (P)

IC Output High/Pulse Detected When Grounded Cyl.4

Motor (P)

IC Output High/Pulse Detected When Grounded Cyl.5

Motor (P)

IC Output High/Pulse Detected When Grounded Cyl.6

Motor (P)