Pinpoint Test D : The Temperature Gauge Is Inoperative: Notes
Pinpoint Test D: The Temperature Gauge Is Inoperative
Diagnostic Overview
Diagnostics in this service information assume a certain skill level and knowledge of Ford-specific diagnostic practices. Refer to Diagnostic Methods in Service Information for information about these practices.
Normal Operation and Fault Conditions
REFER to Temperature Gauge in Instrument Panel Cluster (IPC) .
If the IPC does not receive the engine coolant temperature message from the PCM for more than 5 seconds, the IPC sets DTC U0100:00 in continuous memory and defaults the temperature gauge to cold (C). If the engine coolant temperature message is deemed invalid by the IPC for 5 seconds or more, the IPC sets DTC U0401:81 and defaults the temperature gauge to cold (C).
Possible Sources
- PCM
- IPC