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Home › Jeep › 2010 › Grand Cherokee SRT-8 › Repair and Diagnosis › Engine Performance › Engine Control Systems › (Front Control Module (FCM) - Electrical Diagnostics) › DTC Troubleshooting › B1668-Reverse Lamp Control Circuit High › Possible Causes

Possible Causes

Possible Causes
(L1) BACK-UP LAMP FEED CIRCUIT SHORT TO VOLTAGE
INTEGRATED POWER MODULE (IPM)
FRONT CONTROL MODULE (FCM)
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