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Home › Cadillac › 2017 › XT5 Base › Repair and Diagnosis › Engine Performance › System › Data Communication System - Diagnostic Information And Procedures › Diagnostic Information and Procedures › DTC U240A: Transmission Range Control Module Chassis Expansion CAN Bus Off › Circuit/System Verification

Circuit/System Verification

  1. Ignition ON/Vehicle in Service Mode.
  2. Verify DTC U240A is not set.
    • If DTC U240A is not set 
  3. All OK
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