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HOMESERVICE MANUALSCHEVROLET1998SUBURBAN K2500, 7.4 J, PART TIMEREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 246 (BODY CONTROL MODULES)DIAGNOSTIC TESTSDTC B1001: INSTRUMENT PANEL MODULE NOT CALIBRATED TO VEHICLETEST PROCEDURE (IPM)
1998 Chevrolet Suburban K2500, 7.4 J, Part Time

Test Procedure (IPM)

1998 Chevrolet Suburban K2500, 7.4 J, Part TimeSECTION Test Procedure (IPM)
WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.
  1. If diagnostic system check for system exhibiting symptom has been performed, go to next step. If diagnostic system check for system exhibiting symptom has not been performed, perform appropriate diagnostic system check for suspect system. See BODY CONTROL SYSTEM DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Perform IPM calibration procedure. See INSTRUMENT PANEL INTEGRATION MODULE  under PROGRAMMING. If DTC B1001 resets in IPM, go to next step. If DTC does not reset, repair is complete.
  3. Replace IPM. See INSTRUMENT PANEL MODULE .
RENDER: 1.0x

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When to See a Mechanic

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

  • • You smell fuel, burning insulation, or see smoke.
  • • 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.