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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 509 (BODY CONTROL SYSTEM)REPAIR INSTRUCTIONSBODY CONTROL MODULE (BCM) PROGRAMMING/RPO CONFIGURATION (IPM)PROCEDURE TO CALIBRATE AN INSTRUMENT PANEL INTEGRATION MODULE (IPM)
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Procedure to Calibrate an Instrument Panel Integration Module (IPM)

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION 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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