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Tahoe / Yukon Service Manual

Symptoms - Parking Assistance Systems

  1. In order to verify that all of the following conditions are fulfilled before using the symptom lists perform the Diagnostic System Check: Diagnostic System Check - Vehicle No DTCs Stored The control modules can communicate via the serial data link.
  2. Review the system description and operation in order to familiarize yourself with the system functions. Refer to: Parking Assist Description and Operation Visual/Physical Inspection Inspect for aftermarket devices which may affect the operation of the system. Inspect the easily accessible or visible system components, for obvious damage or conditions, which may cause the symptom. Intermittent Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to: Testing for Intermittent Conditions and Poor Connections Symptom List For more information see: Parking Assist System Malfunction