HomeU0401 · Manufacturer communications

U0401 · Manufacturer communications

Source wording can vary by vehicle and suffix. It is shown as written, not as a universal diagnosis.

U0401 →

SA-011-26

MAZDA

Reported code forms U0401

Some vehicles may display some (or all) of the following symptoms: • Check engine light on with DTC P061B • Light increase in engine rpms during acceleration • Transmission will not shift past 4th gear • Various U codes…

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24-NA-025

CHEVROLET

Reported code forms U0401

This service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.

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24-NA-025

CHEVROLET

Reported code forms U0401

This service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.

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24-NA-025

CHEVROLET

Reported code forms U0401

This service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.

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24-NA-172

CHEVROLET, GMC

Reported code forms U0401

This technical bulletin provides a procedure to correct the condition of Intermittent No Power or Vehicle will Hesitate DTC P0700, P0EFF, U1611, U0401.

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24-NA-025

CHEVROLET

Reported code forms U0401

This service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.

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24-NA-025

CHEVROLET

Reported code forms U0401

This service bulletin provides information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.

Read communication ↗

24-NA-025

CHEVROLET

Reported code forms U0401

This service bulletin provides repair information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.

Read communication ↗

24-NA-025

CHEVROLET

Reported code forms U0401

This service bulletin provides repair information to correct a customer concern of Check Engine Light or Malfunction Indicator Lamp Illuminated with DTCs U0401 and/or U1611 Set.

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T-23-02

POLARIS

Reported code forms U0401

Polaris has determined that some Model Year 2023 Slingshot vehicles, produced between December 2022 and March 2023, could be missing the 9th digit of the model number in the ECM. The 9th digit is used for activation of…

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2060596.4

BENTLEY

Reported code forms U040100

Transmission DTC - U040100 50273/C461 (Invalid Data Received From ECM/PCM A) Technical Background: -During Adaptive Cruise Control (ACC) brake to stop events, it is possible for the brake pressure to decay at a rate…

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2060596/3

BENTLEY

Reported code forms U040100

Transmission DTC - U040100 50273/C461 Invalid Data Received From ECM/PCM "A" Customer statement / workshop findings: Diagnostic Trouble Code (DTC) U040100 50273/C461 Invalid Data Received From ECM/PCM "A" stored within…

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SA-037-21

MAZDA

Reported code forms U0401:68

Some customers may experience an instrument cluster warning message "Safety and Driver Support Systems Partially Disabled" and DTC U0401:68 [VEHICLE CONTROL MODULE (US)] (Error signal received from PCM, DSC HU/CM,…

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TSB 21-2062

FORD

Reported code forms U0401

Some 2019-2020 Mustang vehicles equipped with a 5.0L engine and a MT82 manual transmission may exhibit a concern of inoperative reverse camera and inoperative reverse lights. The vehicle will also exhibit messages in…

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2060596/2

BENTLEY

Reported code forms U040100

Transmission DTC - U040100 50273/C461 Invalid Data Received From ECM/PCM A. Customer statement / workshop findings: Diagnostic Trouble Code (DTC) U040100 50273/C461 Invalid Data Received From ECM/PCM "A" stored within…

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2060596/1

BENTLEY

Reported code forms U040100

Transmission DTC - U040100 50273/C461 Invalid Data Received From ECM/PCM 'A'. Customer statement / workshop findings: Diagnostic Trouble Code (DTC) U040100 50273/C461 Invalid Data Received From ECM/PCM "A" stored within…

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SSM 49157

FORD

Reported code forms U0401

Some 2020 Escape vehicles may exhibit an illuminated malfunction indicator lamp (MIL) and diagnostic trouble codes (DTCs) U0100, U0401, P166B, P1753, P0929, and/or P0919. The vehicle may also exhibit an illuminated…

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SSM 48563

FORD

Reported code forms U0401

SSM 48563 - 2017-2020 F-150 - No Crank/No Start, Multiple Illuminated Warning Indicators And/Or DTCs Some 2017-2020 F-150 vehicles may exhibit a no crank/no start, auto start stop inoperative, illuminated malfunction…

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SA-008-20

MAZDA

Reported code forms U0401:68

INSTRUMENT CLUSTER WARNING MESSAGE "SAFETY AND DRIVER SUPPORT SYSTEMS PARTIALLY DISABLED" AND DTC U0401:68 IS STORED:Some customers may experience an instrument cluster warning message "Safety and Driver Support Systems…

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PIT5457D

CADILLAC, CHEVROLET, GMC

Reported code forms U0401

This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and…

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SA-011-19a

MAZDA

Reported code forms U0401

Some vehicles may display some (or all) of the following symptoms: Check engine light on wit DTC P061B Surging on acceleration Transmission will not shift past 4th gear Various U codes (U0401 ABS, U0401, U0415 FSC,…

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SA-011-19

MAZDA

Reported code forms U0401

Some vehicles may display some (or all) of the following symptoms: Check engine light on wit DTC P061B, Surging on acceleration, Transmission will not shift past 4th gear, Various U codes (U0401 ABS, U0401, U0415 FSC,…

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SSM 47656

FORD

Reported code forms U0401

Some 2018-2019 F-Super Duty vehicles equipped with a 6.7L engine built on 1-Dec-2017 and through 1-Aug-2018 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P2122, P2127, U0401, U0109, P0480, P008A,…

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01-015-18-3513a

MAZDA

Reported code forms U0401:00

Some vehicles may experience a lack of power and the check engine light on with DTC P061B:00 and U0401:00 stored in the PCM memory when engine cranking is interrupted and on A/T vehicles, DTC U0442:00 is also stored.…

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01-010-18-3442b

MAZDA

Reported code forms U0401:00

Some vehicles may exhibit an engine misfire during acceleration with the check engine light flashing and the following DTC(s). P0302:00 - Cylinder No.2 misfire detected and/or P0303:00 - Cylinder No.3 misfire detected…

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SSM 47432

FORD

Reported code forms U0401

Some 2018 F-Super Duty vehicles equipped with a 6.7L engine built on 1-Dec-2017 and through 8-Jul-2018 may exhibit an illuminated MIL with diagnostic trouble codes (DTCs) P2122, P2127, U0401, U0109, P0480, P008A, P025C,…

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PIT5457C

CADILLAC, CHEVROLET, GMC

Reported code forms U0401

This Preliminary Information communication provides information to the technician about vehicle with Service ABS and/or Traction control lights/message on, Service Power Steering System, Service Suspension System, and…

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01-010-18-3442a

MAZDA

Reported code forms U0401:00

Some vehicles may exhibit an engine misfire during acceleration with the check engine light flashing and the following DTC(s). P0302:00 - Cylinder No.2 misfire detected and/or P0303:00 - Cylinder No.3 misfire detected…

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01-010-18-3442

MAZDA

Reported code forms U0401:00

Some vehicles may exhibit an engine misfire during acceleration with the check engine light flashing and the following DTC(s). P0302:00 - Cylinder No.2 misfire detected and/or P0303:00 - Cylinder No.3 misfire detected.…

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SSM 47097

FORD

Reported code forms U0401

Some 2017-2018 F-150 vehicles built on or before 29-Sep-2017 may exhibit a no crank/no start, auto-start-stop inoperative, illuminated malfunction indicator lamp (MIL) and or powertrain malfunction indicator lamp,…

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