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Diagnostic Aid

This is an informational DTC set by the ECM. It is set to provide an indication that the distance sensing cruise control module will not be able to perform as intended. Diagnose any other DTCs first.

NOTE:

During normal diagnostic and/or repair verification technicians may find that a "Service Adaptive Cruise Control" message may be displayed by the distance sensing cruise control module. Do not replace the distance sensing cruise control module for this condition.

If the SERVICE DRIVER ASSIST SYSTEM message is displayed in the driver information center on with no DTCs set, perform the following steps:

  1. Remove the key from the ignition, open and close the driver's door to turn off retained accessory power, and wait 60 s.
  2. Ignition ON, if the SERVICE DRIVER ASSIST SYSTEM message is still present, operate the vehicle at speeds greater than 15 km/h (10 mph) to complete the self test. The distance sensing cruise control module should request the message be turned off.
  3. If the message is present with no DTCs set after the drive cycle, disconnect the battery for at least 60 s then reconnect the battery.
  4. Operate the vehicle at speeds greater than 40 km/h (25 mph), the distance sensing cruise control module should request the message be turned off.
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