GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2005 🢒 DeVille 🢒 Vehicle Control Systems 🢒 Vehicle DTC Information 🢒 Digital Radio Receiver Replacement

Removal Procedure

    Object Number: 827598 Size: SH

    Important: Do not swap digital radio receivers between vehicles. Swapping digital receivers between vehicles will activate the digital radio Theftlock, "XM Theftlock" will be displayed.

  1. Remove the left rear compartment trim panel. Refer to Rear Compartment Side Trim Replacement - Left Side.
  2. Loosen the digital receiver mounting bolts (1).
  3. Slide the receiver and the bracket up and out of the keyhole slots in the rear reinforcement panel.

    4. Object Number: 827605 Size: SH
  4. Disengage the electrical connector from the connection position assurance (CPA) (1).

    5. Object Number: 827604 Size: SH
  5. Disconnect the electrical connector (3) from the digital radio receiver (1).
  6. Disconnect the antenna connector (2).
  7. Remove the digital receiver and the bracket (1) from the vehicle.

    8. Object Number: 800462 Size: SH
  8. Remove the nuts (1) securing the receiver bracket to the digital radio receiver.
  9. Remove the digital radio receiver from the receiver bracket.

Installation Procedure

    Object Number: 800462 Size: SH
  1. Install the digital radio receiver to the receiver bracket.

    2. Notice: Refer to Fastener Notice in the Preface section.

  2. Install the nuts (1) to secure the receiver to the bracket.

    3. Tighten
    Tighten the nuts to 7 N·m (62 lb in).


    Object Number: 827604 Size: SH
  3. Connect the electrical connector (3) to the digital receiver (1).
  4. Engage the CPA electrical connector.
  5. Connect the antenna connector (2) to the digital receiver (1).
  6. If removed, install the mounting bolts to the bracket to a depth of 3-4 threads.

    7. Object Number: 827598 Size: SH
  7. Align the receiver and bracket assembly to the keyhole slots in the rear reinforcement, with the electrical connection end towards the rear compartment floor.
  8. Install the receiver mounting bolts (1) to the keyhole slots. Slide the receiver and the bracket down.

    9. Tighten
    Tighten the bolts to 9 N·m (80 lb in).

  9. Install the left rear compartment trim panel. Refer to Rear Compartment Side Trim Replacement - Left Side.
  10. Perform the setup procedure for the digital radio receiver. Refer to Control Module References for programming and setup information.