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Home >> Pontiac >> 2005 >> GTO Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays, Gauges And Console >> Diagnostic Information and Procedures >> Speedometer and/or Odometer Inaccurate or Inoperative

Speedometer and/or Odometer Inaccurate or Inoperative

Speedometer and/or Odometer Inaccurate or Inoperative

Step Action Yes No
Schematic Reference:  Instrument Cluster Schematics  
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle
2
  1. Install a scan tool.
  2. Raise the vehicle's drive wheels. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Start the engine.
  4. Place the transmission into drive.
  5. With the scan tool, observe the Vehicle Speed Sensor parameter in the powertrain control module (PCM) Engine Data 1 data list.
Does the Vehicle Speed Sensor parameter match the speedometer display?
Go to Step 3  Go to Step 4 
3 Does the odometer operate properly? Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 4 
4 Replace the instrument panel cluster (IPC). Refer to Instrument Panel Cluster (IPC) Replacement .
Did you complete the replacement?
Go to Step 5  -
5 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 2