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Diagnostic Test

VERIFY THE DIAGNOSTIC TROUBLE CODE (DTC) IS ACTIVE
1. Turn the ignition on.
2. Using the scan tool, read the active DTCs.
  Is this DTC active?
  
  NOTE:
  Do not replace the Adaptive Cruise Control (ACC) Module for this fault.
  
  Yes
  - Refer to DIAGNOSIS AND TESTING and perform the P0585-00 SPEED CONTROL SWITCH 1/2 CORRELATION diagnostic procedure.
  No
  - Refer to DIAGNOSIS AND TESTING and perform the STORED LOST COMMUNICATION DTCs diagnostic procedure.