HomeP27B4 · Manufacturer communications

P27B4 · Manufacturer communications

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

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TSB 26-2096

FORD

Reported code forms P27B4

This article supersedes TSB 22-2495 to update symptoms in the TSB title and issue, and an update to labor times, changing from MT time to actual time with a limit. Some of the vehicles listed in the Model statement…

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TSB 25-2343

FORD

Reported code forms P27B4

This article supersedes TSB 22-2491 to update labor times from M-time to AP-time and add a cap. Some of the vehicle listed in the model statement above may exhibit at least one of the following conditions: - Illuminated…

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TSB 22-2495

FORD

Reported code forms P27B4

Some 2022 F-150 Lightning vehicles may exhibit an illuminated red triangle indicator lamp with diagnostic trouble codes (DTC) P27B4 in the primary drive control module (PDCM) or the CSI is blinking red with P0A7F in the…

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TSB 22-2491

FORD

Reported code forms P27B4

Some 2021-2022 Mustang Mach-E built on or before 17-Sep-2022, 2022 e-Transit vehicles may exhibit an illuminated red triangle indicator lamp with diagnostic trouble code (DTC) P27B4 stored in the secondary on-board…

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TSB 21-2248

FORD

Reported code forms P27B4

This article supersedes TSB 21-2055 to update the Title, Issue, Action, vehicles affected and production fix date. Some 2020-2021 F-Super Duty vehicles equipped with a 6.7L engine built on or before 10-Feb-2021 may…

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TSB 21-2055

FORD

Reported code forms P27B4

This article supersedes TSB 20-2336 to update the Title, Issue, Action, vehicles affected and production fix date. Some 2020-2021 F-Super Duty vehicles equipped with a 6.7L engine built on or before 10-Feb-2021 may…

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TSB 20-2336

FORD

Reported code forms P27B4

Some 2020 F-Super Duty vehicles equipped with a 6.7L engine built on or before 19-Aug-2020 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P0300-P0308, P0603, P203B,…

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TSB 20-2074

FORD

Reported code forms P27B4

Some 2020 F-Super Duty vehicles equipped with a 6.2L/7.3L gas engine and 10R140 transmission built on or before 5-Dec-2019 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble code (DTC)…

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TSB-20-2063

FORD

Reported code forms P27B4

Some 2020 F-Super Duty vehicles equipped with a 6.7L engine built on or before 5-Feb-2020 may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTC) P203B, P2201 and/or DTC P27B4…

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