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Pinpoint Test F : The Odometer Is Inoperative: Notes

Normal Operation and Fault Conditions 

See Odometer. Refer to Instrument Panel Cluster (IPC) .

NOTE: If DTC U0100:00 sets in the IPC, other observable symptoms can be an inoperative speedometer, tachometer or temperature gauge.

If the odometer count message is missing for less than 5 seconds, the IPC defaults the odometer to the last display, based upon the last odometer count message received.

If the IPC does not receive the odometer count data from the PCM for 5 seconds longer, the IPC sets DTC U0100:00 in continuous memory and defaults the odometer display to all dashes (-----).

If the odometer count message is deemed invalid by the IPC, the IPC sets DTC U0401:00 and defaults the odometer display to all dashes (-----). If the NVM becomes corrupted or if a NVM failure occurs, the IPC sets DTC U3000:44 and displays ERROR in the message center display.

Possible Sources 

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