DTC U3003:16 [Power Liftgate (PLG) Control Module]: Notes
WARNING: This page is about a different car, the 2024 Mazda CX-5. However, it is still accessible from the selected car via links, so may be relevant.
DTC U3003:16 (POWER LIFTGATE CONTROL MODULE) DETECTION CONDITION AND POSSIBLE CAUSE
| Description |
Power liftgate (PLG) control module power supply voltage low input |
| Detection condition |
- Power liftgate (PLG) control module detects that the power supply circuit voltage that is less than the specification.
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| Fail-safe |
- Stops the power liftgate (PLG) system operation.
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| Possible cause |
- DTCs are stored in the PCM
- DTCs are stored in the rear body control module (RBCM)
- Battery malfunction
- Generator malfunction
- Power liftgate (PLG) control module connector or terminal malfunction
- Power liftgate (PLG) control module power supply circuit malfunction
- Short to ground in the wiring harness between the following terminals:
- C/U IG1 15 A fuse-Power liftgate (PLG) control module terminal 1AD
- MAIN 200 A fuse-Power liftgate (PLG) control module terminal 2I
- C/U IG1 15 A fuse malfunction
- PLG 20 A fuse malfunction
- CABIN.+B 50 A fuse malfunction
- Open circuit in wiring harness between the following terminals:
- IG1 relay-Power liftgate (PLG) control module terminal 1AD
- Battery positive terminal-Power liftgate (PLG) control module terminal 2I
- Rear body control module (RBCM) connector or terminal malfunction
- Short to ground in the wiring harness between rear body control module (RBCM) terminal 4F and power liftgate (PLG) control module terminal 1AA
- Open circuit in wiring harness between rear body control module (RBCM) terminal 4F and power liftgate (PLG) control module terminal 1AA
- Power liftgate (PLG) control module malfunction
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 Courtesy of MAZDA MOTORS CORP.
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