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Pinpoint Test Aa : DTC: U0253:00: Notes

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Module Communications Network for schematic and connector information.

Normal Operation and Fault Conditions 

The SCMG and SCMH communicate to the APIM using the CAN.

DTC Fault Trigger Conditions 

DTC Description Fault Trigger Conditions
U0253:00 Lost Communication With Accessory Protocol Interface Module: No Sub Type Information Set by the SCMG/ SCMH whenever it has lost communication to the APIM for 5 seconds or longer while the SCMG/ SCMH input voltage is between 10 and 15.5 volts.

Possible Causes 

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