| Possible cause |
- Electric parking brake switch connector or terminal malfunction
- Electric parking brake switch malfunction
- Electric parking brake switch power supply circuit malfunction
- Short to ground in wiring harness between battery positive terminal and electric parking brake switch terminal K
- ROOM 15 A fuse malfunction
- MAIN 200 A fuse malfunction
- Open circuit in wiring harness between battery positive terminal and electric parking brake switch terminal K
- Electric parking brake control module connector or terminal malfunction
- Short to power supply in wiring harness between electric parking brake switch terminal L and electric parking brake control module terminal O
- Electric parking brake control module malfunction
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