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Home >> Fiat >> 2021 >> 500X Pop >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> (Active Cruise Control (Acc) Module - Electrical Diagnostics) >> DTC Troubleshooting >> C143B-87-Engine 5 Messages-From Engine Control Module-For ADAPTATIVE Cruise Control Function-Missing Message >> Possible Causes

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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