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Home >> Oldsmobile >> 1998 >> Cutlass Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 20 (Instrument Panel) >> Symptom Tests >> Up Shift Indicator Does Not Operate Properly
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Up Shift Indicator Does Not Operate Properly

WARNING: This page is about a different car, the 1998 Pontiac Grand Am, 1998 Oldsmobile Achieva, and 1998 Buick Skylark. However, it is still accessible from the selected car via links, so may be relevant.

Using scan tool, monitor normal mode communication between Powertrain Control Module (PCM) and instrument cluster. If UP SHIFT T/T display does not match UP SHIFT indicator, replace instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION. Recheck system operation. If UP SHIFT T/T display matches UP SHIFT indicator, locate and repair problem in PCM system. See appropriate TESTS W/CODES article in ENGINE PERFORMANCE section:

Recheck system operation.

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