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Home >> Chrysler >> 2003 >> 300M Pro-Am Edition >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Body Diagnostic Procedures >> Diagnostic Information And Procedures >> Instrument Cluster - Symptoms >> Symptom: *TACHOMETER NOT OPERATING PROPERLY >> Possible Causes

Possible Causes

  1. ATTEMPT TO COMMUNICATE WITH THE PCM
  2. ENGINE TROUBLE CODES
  3. INSTRUMENT CLUSTER SELF TEST
  4. OBSERVE THE RPM DISPLAY IN THE INSTRUMENT CLUSTER
  5. OBSERVE THE RPM DISPLAY IN THE PCM
  6. POWERTRAIN CONTROL MODULE