Important: Always perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure.
The instrument panel cluster (IPC) displays the engine coolant temperature as determined by the powertrain control module (PCM) or the engine control module (ECM). The IPC receives a serial data message from the PCM indicating the engine coolant temperature.
Instrument Panel, Gages, and Console Connector End Views
⇒ | If the engine coolant temperature (ECT) gage does not perform the IPC Gage Sweep Test, replace the IPC. |
Important: Always perform the Diagnostic Repair Verification after completing the diagnostic procedure.
Control Module References for IPC replacement, setup, and programming.