Tachometer Does Not Work

The engine tachometer does not work, or works erratically.

1	CHECK WITH DIAGNOSTIC TOOL	Result OK	Result Not OK	Action
	Connect a diagnostic scan tool. Verify the absence of anomalies on the Instrument Panel Cluster (IPC).	Continue to Step 2	Presence of errors	Proceed as indicated by the diagnostic tool
2	CHECK WITH DIAGNOSTIC TOOL	Result OK	Result Not OK	Action
	With the diagnostic scan tool still connected to the DLC, test the functionality of the pointer through active diagnosis	Continue to Step 3	Tachometer doesn't work for stepper motor malfunction	Replace the IPC
3	CHECK WITH DIAGNOSTIC TOOL	Result OK	Result Not OK	Action
	With the diagnostic scan tool still connected to the DLC, verify the absence of anomalies on the Powertrain Control Module (PCM).	Diagnostic complete	Presence of errors	Proceed as indicated by the diagnostic tool