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PRNDL Indicator Inaccurate Or Inoperative

WARNING: This page is about a different car, the 1999 Pontiac Grand Am and 1999 Oldsmobile Alero. However, it is still accessible from the selected car via links, so may be relevant.
  1. Perform INSTRUMENT PANEL CLUSTER SYSTEM CHECK  under SYSTEM TESTS. Go to next step.
  2. Connect scan tool to DLC and select IPC data display. Monitor gear status. Move gear shift selector through all gear positions. If gear status on scan tool corresponds to gear shift selector position, go to step  4 . If gear status on scan tool does not correspond to gear shift selector position, go to next step.
  3. Select powertrain data display on scan tool. Monitor transmission gear status data. Move gear shift selector through all gear positions. If gear status on scan tool corresponds to gear shift selector position, go to next step. If gear status on scan tool does not correspond to gear shift selector position, go to POWERTRAIN ON-BOARD DIAGNOSTIC (OBD) SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM in SELF-DIAGNOSTICS - GASOLINE - EXCEPT METRO, PRIZM & TRACKER article in ENGINE PERFORMANCE.
  4. Replace instrument panel cluster. See INSTRUMENT PANEL CLUSTER (IPC)  under REMOVAL & INSTALLATION. After repairs, go to INSTRUMENT PANEL CLUSTER SYSTEM CHECK  under SYSTEM TESTS.
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