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Home >> Hummer >> 2003 >> H2 >> Repair and Diagnosis >> External Pages >> Different car >> Section 309 (Body Control System) >> Repair Instructions >> Body Control Module (BCM) Programming/RPO Configuration >> Setup New Body Control Module (BCM)
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Setup New Body Control Module (BCM)

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: After the procedure is completed, the personalization settings of the BCM are set to a default setting. Inform the customer that the personalization must be set again.

Refer to SERVICE PROGRAMMING SYSTEM REMOTE PROCEDURE or SERVICE PROGRAMMING SYSTEM PASS-THRU PROCEDURE or SERVICE PROGRAMMING SYSTEM OFF BOARD REMOTE PROCEDURE) or SERVICE PROGRAMMING SYSTEM OFF BOARD PASS-THRU PROCEDURE in Programming.

Important:  After programming, perform the following to avoid future misdiagnosis:

  1. Turn the ignition OFF for 10 seconds.
  2. Connect the scan tool to the data link connector.
  3. Turn the ignition ON with the engine OFF.
  4. Use the scan tool in order to retrieve history DTCs from all modules.
  5. Clear all history DTCs.
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