B144F · Herstellerinformationen

MAZDA · 2026-08-12

DESCRIPTION Some vehicles may exhibit a condition in which a warning buzzer (error sound) is heard, and the power liftgate (PLG) does not open or close automatically. When these symptoms happen, DTCs B144F:11 or B144F:13 may be stored. B144F:11 Power liftgate (PLG) drive unit motor circuit malfunction B144F:13 Power liftgate (PLG) drive unit motor circuit malfunction NOTE: The liftgate can be opened or closed manually, though effort may be higher without the motor assist. Due to improper assembly of the brush spring within the PLG unit motor, the contact pressure of the brush decreases, resulting in poor continuity. As a result, sufficient current may not be supplied to the motor. The manufacturing process has been improved to ensure proper positioning of the spring during assembly.…

FORD, LINCOLN · 2025-04-15

Some 2025 Expedition/Navigator vehicles may exhibit diagnostic trouble codes (DTCs) B144F:19, B144F:13, B1557:19, B1557:31 and/or B15E8:19 in the rear gate trunk module (RGTM) when a diagnostic self-test is performed. If no other symptoms, DTCs, or issues are identified, no further action is required. Replacement and/or reprogramming of the RGTM will not resolve this condition.

FORD, LINCOLN · 2020-10-16

Some 2019-2020 Edge/Nautilus vehicles may exhibit an inoperative power liftgate with diagnostic trouble code (DTC) B144F:79 stored in the rear gate trunk module (RGTM). This may be due to the calibration of the RGTM. To resolve the concern, reprogram the RGTM using the latest software level of the appropriate Ford diagnostic scan tool. For claiming use causal part number 14B291 and Section 10 of the Service Labor Time Standards (SLTS) Manual. Do not replace the power strut unless DTC B144F remains after reprograming the RGTM.

FORD, LINCOLN · 2019-03-18

Some 2019 Edge/Nautilus vehicles built on or before 07-Mar-2019 may exhibit an inoperative power liftgate with diagnostic trouble code (DTC) B144F:79 stored in the rear gate trunk module (RGTM). This may be due to the calibration of the RGTM. To resolve the concern, reprogram the RGTM using the latest software level of the appropriate Ford diagnostic scan tool. For claiming use causal part number 14B291 and Section 10 of the Service Labor Time Standards (SLTS) Manual.