GM Service Manual Online
For 1990-2009 cars only

DTC B1243 RSE

Diagnostic Instructions

    â€¢ Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
    â€¢ Review Strategy Based Diagnosis for an overview of the diagnostic approach.
    â€¢  Diagnostic Procedure Instructions provides an overview of each diagnostic category

DTC Descriptor

DTC B1243 00: CD-Player Load or Unload Performance

Circuit/System Description

The DVD player monitors loading/ejecting disc performance.

Conditions for Running the DTC

The DVD player recovers from loading/ejecting error.

Conditions for Setting the DTCs

The DVD player experiences a loading/ejecting error.

Action Taken When the DTC Sets

None.

Conditions for Clearing the DTC

    â€¢ The condition for setting the DTC is no longer present.
    â€¢ The history DTC will clear after 50 fault-free ignition cycles.

Reference Information

Schematic Reference

Radio/Navigation System Schematics

Connector End View Reference

Component Connector End Views

Description and Operation

Radio/Audio System Description and Operation

Electrical Information Reference

    â€¢  Circuit Testing
    â€¢  Connector Repairs
    â€¢  Testing for Intermittent Conditions and Poor Connections
    â€¢  Wiring Repairs

Scan Tool Reference

Control Module References for scan tool information

Circuit/System Verification

  1. Ignition ON, with a scan tool clear all DTCs.
  2. Radio ON, play a known good CD. Eject and reinsert the CD several times.
  3. ⇒If the DTC resets, replace the DVD Player.

Repair Instructions

Perform the Diagnostic Repair Verification after completing the diagnostic procedure.

Video Disc Player Replacement