Tachometer Inoperative. Chevrolet PJJ 2000

For 1990-2009 cars

Step | Action | Yes | No
--- | --- | --- | ---
1 | Did you perform the Instrument Cluster Diagnostic System Check? | Go to Step 2 | Go to A Diagnostic System Check - Instrument Cluster

2

1. Start the engine.
2. Use the scan tool to observe the ENGINE SPEED parameter in the ENGINE DATA 1 data display.

Does the scan tool indicate that the ENGINE SPEED parameter is the same as the tachometer gauge?

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

Go to Step 3

3 | Replace the instrument cluster (IPC). Refer to IP Cluster Replacement. Did you complete the repair? | Go to Step 4 | --
4 | Operate the system in order to verify the repair. Did you correct the condition? | System OK | Go to Step 2