GM Service Manual Online
For 1990-2009 cars only

Symptoms - Trailer Connector/Provision Holden Genuine Accessory

Important: Review the system operation in order to familiarize yourself with the system functions. Refer to the following:

   •  Exterior Lighting Systems Description and Operation
   •  Object Detection Description and Operation

Visual/Physical Inspection

    • If the vehicle is fitted with a genuine Holden object detection system, opening the trailer connector cover actuates a switch that disables the rear object detection system. Damage to the trailer connector or to the trailer connector cover may disable the object detection system.
    • Inspect for other aftermarket devices which could affect the operation of the system. Refer to Checking Aftermarket Accessories.
    • Inspect the easily accessible or visible system components for obvious damage or conditions which could 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

Refer to the following in order to diagnose the symptom:

    •  Trailer Lamps Malfunction
    •  Trailer Connector Switch Malfunction