DTC B11C4-23: Door Lock Switch (Liftgate)/Power Liftgate (PLG) Rear Switch Circuit Malfunction (BCM): Outline
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC B11C4:23 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Door lock switch (liftgate)/power liftgate (PLG) rear switch circuit malfunction |
| Detection condition |
- The LF control unit detects any of the following conditions.
- The door lock switch (liftgate)/power liftgate (PLG) rear switch is continuously ON for 2 min or more.
- The door lock switch (liftgate)/power liftgate (PLG) rear switch was ON 7 times.
Preconditions
- The vehicle is being driven at 5 km/h {3 mph} or more.
|
| Fail-safe |
Not applicable |
| Possible cause |
- Door lock switch (liftgate)/power liftgate (PLG) rear switch connector or terminal malfunction
- LF control unit connector or terminal malfunction
- Short to ground in door lock switch (liftgate)/power liftgate (PLG) rear switch signal circuit
- Door lock switch (liftgate)/power liftgate (PLG) rear switch malfunction
- LF control unit malfunction
- Body control module (BCM) malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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*1: With power liftgate (PLG) system