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Home >> Chrysler >> 2007 >> 300 Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System - Electrical Diagnostics >> Speed Control - Electrical Diagnostics >> Adaptive Cruise Control Module >> DTC Troubleshooting >> P1666-Cruise Control Module Internal >> Diagnostic Test

Diagnostic Test

  1. 1) DTC IS ACTIVE 

    The ACC Module has detected an internal failure.

    Is the DTC active at this time? 

    Yes 

    1. Replace the ACC Module in accordance with the Service Information.
    2. Perform ACC MODULE VERIFICATION TEST . See STANDARD PROCEDURE .

    No 

    1. No repair is necessary. Ensure the lens is free of dirt, damage or other obstruction. Clear the DTC and verify the proper operation of the ACC system.
    2. Perform ACC MODULE VERIFICATION TEST . See STANDARD PROCEDURE .
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