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Pinpoint Test Ax : The Engine Hours And Engine Idle Hours Display Is Inoperative: Notes

WARNING: This page is about a different car, the 2018 Ford F-550 Super Duty, 2018 Ford F-450 Super Duty, 2018 Ford F-350 Super Duty, and 2018 Ford F-250 Super Duty. However, it is still accessible from the selected car via links, so may be relevant.

Normal Operation and Fault Conditions 

See Engine Hours Display and Engine Idle Hours Display. Refer to: Message Center - System Operation and Component Description .

If the engine rpm data message is missing or invalid for less than 5 seconds, the IPC defaults the engine hours and engine idle hours displays to the last display based on the last message received.

If the vehicle speed message is missing or invalid for 5 seconds or longer, the IPC sets DTC U0100:00 and defaults the engine hours and engine idle hours to the last displayed value with no additional accumulation.

Possible Sources 

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