FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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PRNDL Lights on All Positions W/Engine Running

SYMPTOM:
PRNDL LIGHTS ON ALL POSITIONS W/ENGINE RUNNING

POSSIBLE CAUSES
- FAULTY CLUSTER
- LOSS OF POWER TO TCM (OR BCM)
- DEFECTIVE BCM
- LOSS OF IGNITION FEED TO TCM (OR BCM)
- PCI COMMUNICATION MALFUNCTION
- TCM DEFECTIVE

Repair Instructions:
FAULTY CLUSTER
Refer to Symptoms List for Cluster diagnostics.
Perform Transaxle 42LE Verification TEST VER-1A Verification Test VER-1A - Transmission Control System
LOSS OF POWER TO TCM (OR BCM)
Re-establish power to TCM or BCM.
Perform Transaxle 42LE Verification TEST VER-1A Verification Test VER-1A - Transmission Control System
DEFECTIVE BCM
Replace the Body Control Module.
Perform Transaxle 42LE Verification TEST VER-1A Verification Test VER-1A - Transmission Control System
LOSS OF IGNITION FEED TO TCM (OR BCM)
Repair Ignition Feed Circuit to TCM or BCM.
Perform Transaxle 42LE Verification TEST VER-1A Verification Test VER-1A - Transmission Control System
PCI COMMUNICATION MALFUNCTION
Refer to Symptoms List under TRANSMISSION for symptom NO RESPONSE (TCM). No Response From TCM
TCM DEFECTIVE
Replace the Transmission Control Module.
Perform Transaxle 42LE Verification TEST VER-1A Verification Test VER-1A - Transmission Control System