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Home >> Jeep >> 2002 >> Grand Cherokee 2WD Laredo V8-4.7L >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Symptom Related Diagnostic Procedures >> No-Start Testing >> No Start Tests >> No Response From PCM With A No Start Condition

No Response From PCM With A No Start Condition

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SYMPTOM
NO RESPONSE FROM PCM WITH A NO START CONDITION

POSSIBLE CAUSES
- PCM fused B+ circuit
- PCM no response
- PCM fused ignition switch output circuit
- PCM ground circuits
- 5 volt sensor open or shorted
- Throttle position sensor
- Primary 5-volt supply CKT short to ground
- Auxiliary 5-volt circuit supply short to ground
- PCM