DTC C1128-01: Electric Parking Brake Switch [DSC HU/Cm]: 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.
| System malfunction location |
Electric parking brake switch |
| Detection condition |
- The DSC HU/CM detects an electrical-related malfunction in the electric parking brake switch.
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| Fail-safe |
Refer to "DTC Table" and "Fail-safe Function Malfunction Contents Table". (See DTC TABLE [DSC HU/CM (US)] .) |
| Possible cause |
- Electric parking brake switch connector or terminal malfunction
- Electric parking brake switch malfunction
- DSC HU/CM connector or terminals malfunction
- Short to ground in electric parking brake switch signal circuit
- Short to power supply in electric parking brake switch signal circuit
- Open circuit in electric parking brake switch signal circuit
- Short circuit in electric parking brake switch signal circuits
- DSC HU/CM malfunction
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 Courtesy of MAZDA MOTORS CORP.
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