BMW DTC P0B35 – High Voltage Service Disconnect Circuit Low
DTC P0B35 meaning on BMW
DTC P0B35 on a BMW refers to the High Voltage Service Disconnect Circuit Low. This diagnostic trouble code indicates that there is a low voltage condition detected in the high voltage service disconnect circuit of the vehicle.
BMW DTC P0B35 symptoms
Symptoms of BMW DTC P0B35 may include:
- Check Engine Light illuminated
- Vehicle may go into a reduced power mode
- High voltage system may not function properly
BMW DTC P0B35 causes
Common causes of BMW DTC P0B35 include:
- Faulty high voltage service disconnect circuit
- Wiring issues or loose connections in the circuit
- Problems with the high voltage battery
BMW DTC P0B35 seriousness
The seriousness of BMW DTC P0B35 lies in the fact that it pertains to the high voltage system of the vehicle. Ignoring this code can lead to potential safety hazards and may affect the performance of the vehicle.
How to diagnose DTC P0B35 on BMW
To diagnose BMW DTC P0B35, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the high voltage service disconnect circuit for any visible damage or loose connections
- Check the high voltage battery for proper voltage levels
- Perform a continuity test on the circuit to check for any breaks
How to fix DTC P0B35 on BMW
To fix BMW DTC P0B35, you may need to:
- Repair or replace any damaged wiring in the high voltage service disconnect circuit
- Tighten any loose connections in the circuit
- Replace the high voltage battery if necessary
- Clear the fault codes and reset the system
How to erase DTC P0B35 on BMW
To erase BMW DTC P0B35, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s system. Once the issue has been resolved and the repairs have been made, you can reset the system to remove the DTC P0B35 code.
Recommended tools & DTC Scanners for BMW
Best Diagnostic App for modern BMWs: BimmerLink
Recommended Bluetooth adapter for Bimmerlink: OBDLink CX
Cable adapter for Bimmerlink: Enet Cable USB Type C
For older BMWs we recommend: Autel AutoLink AL319 (2024 version)
Easy-to-use Multimeter for reliable diagnostics: AstroAI Auto-ranging Multimeter
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