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Home >> Jeep >> 2021 >> Renegade Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Collision/Avoidance >> (Active Cruise Control (Acc) Module - Electrical Diagnostics) >> DTC Troubleshooting >> C143B-87: Engine 5 Messages-From Engine Control Module-For Adaptive Cruise Control Function-Missing Message >> Possible Causes
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Possible Causes

Possible Causes
POWERTRAIN CONTROL MODULE (PCM) DTCS PRESENT
POWERTRAIN CONTROL MODULE (PCM)

Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to  PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE  . 

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