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HOMESERVICE MANUALSCHEVROLET2001CHEVY EXPRESS G2500, VAN CARGO EXTENDED, 5.7 R, L31/KL8REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 406 (BODY CONTROL SYSTEM)REPAIR INSTRUCTIONSBODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION (IPM)PROCEDURE TO CALIBRATE AN INSTRUMENT PANEL INTEGRATION MODULE (IPM)
2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8

Procedure to Calibrate an Instrument Panel Integration Module (IPM)

2001 Chevrolet Chevy Express G2500, Van Cargo Extended, 5.7 R, L31/KL8SECTION Procedure to Calibrate an Instrument Panel Integration Module (IPM)
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora and 2001 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

Ensure the scan tool has been updated with the latest software version.

The following steps should be followed to perform the recalibration update.

  1. Ensure the scan tool has been updated with the latest software version.
  2. Connect a scan tool to the Data Link Connector (DLC).
  3. The ignition should be ON, but the engine should not be operating.
  4. Select Instrument Panel Module.
  5. Select Special Functions.
  6. Select Miscellaneous Test.
  7. Select IPM Recalibration.

The scan tool will recalibrate the IPM with the latest version. To verify the proper version has been installed follow these steps:

  1. Select Data Display.
  2. Select Module Information.
  3. View the calibration ID number. The calibration number must match the version loaded on the scan tool.

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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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.