6.7L – Illuminated MIL With DTC P1674 – 2020-2022 Ford F-Super Duty

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NHTSA ID Number: 10230950

Manufacturer Communication Number: SSM 51316

Summary

Some 2020-2022 F-Super Duty vehicles equipped with a 6.7L engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC) P1674 stored in the transmission control module (TCM). This may be due to a discharged battery and/or low battery state of charge. Before performing normal diagnostics in Workshop Manual (WSM), Section 307-01, charge and test the battery/batteries using the Ford approved battery test equipment listed in the Ford Warranty and Policy Manual. Replace the battery/batteries if directed by the test equipment. Clear DTCs and perform the self test again. If P1674 returns, refer to WSM, Section 307-01 for normal diagnostics. If P1674 does not return, use the Report a Vehicle Concern link at the bottom of OASIS to submit a report that will assist with the engineering investigation.

 


12 Affected Products

Vehicles

MAKE MODEL YEAR
FORD F-250 SD 2020-2022
FORD F-350 SD 2020-2022
FORD F-450 SD 2020-2022
FORD F-550 SD 2020-2022

 


1 Associated Document

Manufacturer Communications

SSM 51316
2020-2022 F-Super Duty – 6.7L – Illuminated MIL With DTC P1674

https://www.nhtsa.gov/recalls?nhtsaId=10230950

MC-10230950-0001.pdf 98.119KB

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Last update on 2024-03-01 / Affiliate links / Images from Amazon Product Advertising API

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