DTC B144F-11: Power Liftgate (PLG) Drive Unit Motor Circuit Malfunction [Power Liftgate (PLG) Control Module]: Notes
WARNING: This page is about a different car, the 2021 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC B144F:11 (POWER LIFTGATE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Power liftgate (PLG) drive unit motor circuit malfunction |
| Detection condition |
- Power liftgate (PLG) control module detected a short circuit to ground in the power liftgate (PLG) drive unit circuit for 8 s or more.
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| Fail-safe |
- Stops the power liftgate (PLG) system operation.
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| Possible cause |
- Power liftgate (PLG) drive unit (LH) connector or terminal malfunction
- Power liftgate (PLG) drive unit (RH) connector or terminal malfunction
- Power liftgate (PLG) control module connector or terminal malfunction
- Short to ground in wiring harness between the following terminals:
- Power liftgate (PLG) drive unit (LH) terminal G-Power liftgate (PLG) control module terminal 2A
- Power liftgate (PLG) drive unit (LH) terminal H-Power liftgate (PLG) control module terminal 2C
- Power liftgate (PLG) drive unit (RH) terminal G-Power liftgate (PLG) control module terminal 2E
- Power liftgate (PLG) drive unit (RH) terminal H-Power liftgate (PLG) control module terminal 2B
- Power liftgate (PLG) drive unit (LH) malfunction
- Power liftgate (PLG) drive unit (RH) malfunction
- Power liftgate (PLG) control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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