Pinpoint Test H : The Tachometer Is Inoperative: Notes
The Tachometer Is Inoperative
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 5 seconds or longer, the IPC defaults the tachometer to 0 rpm.
Possible Sources
- Communication concern
- PCM
- GWM
- IPC