U3003 · Manufacturer communications
Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.
FORD
Reported code forms U3003
Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also…
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FORD
Reported code forms U3003
This article supersedes TSB 22-2313 to update the Parts List, Service Procedure, and vehicle production fix dates. Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or…
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FORD
Reported code forms U3003
This article supersedes TSB 22-2044 to update the Parts List. Some 2020-2022 F-Super Duty vehicles built on or before 18-Mar-2022 may exhibit a condition where the engine will not turn off and/or have various electrical…
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FORD
Reported code forms U3003
Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also…
Read communication ↗
FORD
Reported code forms U3003
Some 2020-2022 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also…
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FORD, LINCOLN
Reported code forms U3003:16
Some 2018-2020 Expedition/Navigator, 2015-2020 F150 and 2017-2020 F-Super Duty vehicles equipped with power running boards (PRB) may exhibit a condition where the PRBs are disabled, changing the feature menu setting…
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FORD
Reported code forms U3003
Some 2020-2021 F-Super Duty vehicles may exhibit a condition where the engine will not turn off and/or have various electrical symptoms including a dead battery, horn stays on and no crank/no start. The vehicle may also…
Read communication ↗