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Tachometer Needle Fluctuates Or Is Incorrect

  1. Ensure ignition switch is in LOCK position. Disconnect negative battery cable. After more than 30 seconds, reconnect negative battery cable. Cycle ignition switch to ON position then LOCK position, 3 times. Turn ignition switch to ON position. Push trip reset button 3 times. Push trip reset button until DTC 13 is reached. If tachometer needle moves full scale and then rests at 3000 RPM, go to next step. If tachometer needle does not move full scale and then rest at 3000 RPM, replace instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION.
  2. Check for engine DTCs. See TESTS W/CODES article in ENGINE PERFORMANCE section. If DTC P0320 is present, perform diagnosis for that DTC. If DTC P0320 is not present, replace instrument cluster. See INSTRUMENT CLUSTER  under REMOVAL & INSTALLATION.
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