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Home >> GMC >> 2006 >> Sierra 1500 HD, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1295 (Cellular System, Entertainment System, And Navigation System) >> Diagnostic Information and Procedures >> Dual DVD Rear Seat Entertainment Headrest Audio Malfunction >> Circuit/System Testing >> Dual DVD Rear Seat Entertainment Audio Malfunction - With FM Antenna

Dual DVD Rear Seat Entertainment Audio Malfunction - With FM Antenna

WARNING: This page is about a different car, the 2009 GMC Sierra, 2009 GMC Cab & Chassis Sierra, 2009 Chevrolet Silverado, and 2009 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
  1. Turn ON the ignition, tune the radio to station 88.3, 88.7, 89.1, 89.5, 89.9, or 90.3MHz. Chose the station that has the least amount of regular audible radio reception.
  2. Headrest DVD displays ON, insert a DVD and operate the DVD player in play mode.
  3. DVD playing, DVD Surround Sound ON, set the DVD Player to the same station as the radio. Verify audio can be heard through the radio.
    • If the DVD audio can be heard review the system operation with the customer.
  4. Verify the DVD player is in play mode.
  5. At the DVD control module, test for AC voltage between terminal 6 and terminal 3 or 4 with a DMM at the back of the black or red connector.
    • If AC voltage is present replace the DVD control module.
  6. Turn the DVD player off and disconnect both connectors from the DVD display that was playing the DVD.
  7. Swap the two connectors on the display and swap the two corresponding connectors at the DVD control module. Verify the DVD audio now operates normally.
    • If the DVD audio now operates normally, replace the DVD display harness.
    • It the DVD audio is still inoperative replace the suspect DVD display.
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