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Home >> Jeep >> 2021 >> Renegade Limited >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Drivers Assistance Systems - ADAS >> (Active Cruise Control (Acc) Module - Electrical Diagnostics) >> DTC Troubleshooting >> C1448-87: Drivetrain1 Message (From Drive Train Control Module) For Adaptive Cruise Control Function - Missing Message >> Possible Causes
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Possible Causes

Possible Causes
DRIVETRAIN CONTROL MODULE (TCM) DTCS PRESENT
DRIVETRAIN CONTROL MODULE (TCM)

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

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