Was the Instrument Cluster Diagnostic System Check performed?

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Go to Step 2

Go to Diagnostic System Check - Instrument Cluster

1. Install the scan tool.
2. Select SPECIAL FUNCTIONS from the INSTRUMENT CLUSTER menu.
3. Command the speedometer gauge from 140 mph to 0 mph and then back again.

Does the gauge needle respond when commanded?

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Go to Step 3

Go to Step 4

Check for PCM DTC P0500.

Is a current DTC P0500 set?

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Go to Powertrain On Board Diagnostic (OBD) System Check in Engine Controls

Go to Step 5

Replace the instrument cluster.

Is the replacement complete?

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Go to Step 7

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Check the vehicle speed circuit between the Electronic Brake/Traction Control Module (EBTCM) and the instrument cluster for an open or short to ground.

Was a circuit problem found and repaired?

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Go to Step 7

Go to Step 6

Repair an open between the IPC and S222.

Is the repair complete?

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Go to Step 7

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1. Connect all connectors and components that were removed in previous steps.
2. Verify that the speedometer operates properly.

Does the speedometer operate properly?

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System OK

Go to Step 2