Speedometer and/or Odometer Inaccurate or Inoperative

Step	Action	Yes	No
Schematic Reference: Instrument Cluster Schematics
1	Did you perform the Instrument Cluster Diagnostic System Check?	Go to Step 2	Go to Diagnostic System Check - Instrument Cluster
2	Install a scan tool. Raise the vehicles drive wheels. Refer to Lifting and Jacking the Vehicle in General Information. Start the engine. Place the transmission into drive for an automatic transmission or third gear for a manual transmission. 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	Verify that the body control module (BCM) is configured and setup correctly. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Is the BCM configured and setup correctly?	Go to Step 5	Go to Step 6
5	Replace the instrument panel cluster (IPC). Refer to Instrument Panel Cluster (IPC) Replacement (Chevrolet) or Instrument Panel Cluster (IPC) Replacement (Pontiac) . Did you complete the replacement?	Go to Step 7	-
6	IMPORTANT: Perform the programming/RPO configuration for the BCM. Refer to Body Control Module (BCM) Programming/RPO Configuration in Body Control System. Replace the BCM. Refer to Body Control Module Replacement in Body Control System.Did you complete the replacement?	Go to Step 7	-
7	Operate the system in order to verify the repair. Did you correct the condition?	System OK	Go to Step 2