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Home >> Dodge and Ram >> 2008 >> Magnum Base >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Cruise Control Systems >> Cruise Control System - Electrical Diagnostics >> Speed Control (Adaptive Cruise Control Module) - Electrical Diagnostics >> DTC Troubleshooting >> U0141-Lost Communication With Front Control Module >> Diagnostic Test
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Diagnostic Test

  1. 1) ACTIVE DTC 

    Ignition on, engine not running.

    With a scan tool, read ACC DTCs.

    Is the DTC active at this time? 

    Yes 

    1. Refer to ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS article for diagnostic procedures and for further possible causes.

    No 

    1. The conditions that caused this code to set are not present at this time. Using the wiring diagram/schematic as a guide, inspect the wiring and connectors, pay particulate attention the CAN circuits.
    2. Perform ACC MODULE VERIFICATION TEST .
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