chevrolet Workshop Repair Guides

Chevrolet Workshop Service and Repair Manuals

Knock Sensor Module > < Component Tests and General Diagnostics|Page 210
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PCM Reprogramming Failure

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Check PCM connections

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Check Decline terminal/equipment for latest software version

^

Repeat reprogramming procedures. If it fails again, replace the PCM. The replacement PCM must be programmed.

PCM Functional Check

^

Refer to System Diagnosis / Diagnostic System Check.

Knock Sensor Module > < Component Tests and General Diagnostics|Page 210