Pinpoint Test H : The Analog Tachometer Is Inoperative: Notes
Normal Operation and Fault Conditions
See Tachometer. REFER to: Instrument Panel Cluster (IPC) - System Operation and Component Description .
If the IPC does not receive the engine rpm data from the PCM for more than 5 seconds, the IPC defaults the tachometer to 0 rpm.
Possible Sources
- Communication concern
- PCM
- GWM
- IPC