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Home >> Chevrolet >> 2001 >> Venture Base, Van Passenger >> Repair and Diagnosis >> External Pages >> Different car >> Section 26 (Engine Controls Self-Diagnostics - 5.0L & 5.7L) >> System Tests >> Malfunction Indicator Lamp Always On >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2001 GMC Savana, 2001 Chevrolet RV Cutaway, 2001 Chevrolet Cutaway, and 2001 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform powertrain diagnostic system check. See POWERTRAIN DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM. After performing powertrain diagnostic system check, go to next step.
  2. Turn ignition off. Disconnect PCM. Turn ignition on, engine off. Observe MIL. If MIL is illuminated, go to next step. IF mill is not illuminated, go to step  5.
  3. Remove Instrument Panel Cluster (IPC). See appropriate ANALOG INSTRUMENT PANELS article. Check Brown/White wire between IPC and PCM. If problem was found, repair as necessary. After repairs, go to step  6. If problem was not, go to next step.
  4. Replace IPC. See appropriate ANALOG INSTRUMENT PANELS article. After repairs, go to step  6.
  5. Replace PCM. Program PCM. See POWERTRAIN CONTROL MODULE  under PROGRAMMING. After repairs, go to next step.
  6. Operate system to verify repair.
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