DTC U2105-13: Drive Selection 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 U2105:13 (BCM) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Drive selection switch circuit malfunction |
| Detection condition |
- The dash-electrical supply unit detects an open circuit in the drive selection switch circuit.
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| Fail-safe |
Not applicable |
| Possible cause |
- Drive selection switch connector or terminal malfunction
- Open circuit in drive selection switch ground circuit
- Drive selection switch malfunction
- Dash-electrical supply unit connector or terminal malfunction
- Open circuit in drive selection switch signal circuit
- Dash-electrical supply unit malfunction
- Body control module (BCM) malfunction
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 Courtesy of MAZDA MOTORS CORP.
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