P27B4

DTC P27B4, sometimes indicated as P27B400 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the hybrid propulsion system causing p27b4.

DTC Trouble Code Search

Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

TSB 22-2495 - ELECTRICAL SYSTEM
FORD: 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 battery energy contr
TSB 22-2491 - ELECTRICAL SYSTEM
FORD: 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 diagnostic control module
TSB 20-2074 - ELECTRICAL SYSTEM
FORD: 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) P27B4 stored in the po
TSB-20-2063 - ELECTRICAL SYSTEM
FORD: 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 stored in the powertrain