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Home >> Jeep >> 2022 >> Renegade Red >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Active Cruise Control (Acc) Module - DTCS C1420-25 To C1451-86 >> 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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