BMW DTC P0A86 – 14 Volt Power Module Current Sensor ‘A’ Circuit
DTC P0A86 meaning on BMW
The DTC P0A86 fault code on BMW vehicles indicates an issue with the 14 Volt Power Module Current Sensor ‘A’ Circuit. This code is specific to BMW vehicles and relates to a problem with the current sensor circuit in the 14-volt power module.
BMW DTC P0A86 symptoms
Symptoms of the DTC P0A86 code on a BMW may include:
- Check Engine Light (MIL) illuminated
- Reduced power or performance
- Electrical issues
BMW DTC P0A86 causes
Common causes of the DTC P0A86 fault code on BMW vehicles include:
- Faulty 14 Volt Power Module Current Sensor ‘A’
- Wiring or connection issues in the current sensor circuit
- Power module malfunction
BMW DTC P0A86 seriousness
The DTC P0A86 fault code should be addressed promptly as it can lead to electrical issues and affect the performance of the vehicle. Ignoring this code may result in further damage to the electrical system.
How to diagnose DTC P0A86 on BMW
To diagnose the DTC P0A86 code on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the 14 Volt Power Module Current Sensor ‘A’ and its wiring for any visible damage
- Check the power module for proper operation
How to fix DTC P0A86 on BMW
To fix the DTC P0A86 fault code on a BMW, you may need to:
- Replace the faulty 14 Volt Power Module Current Sensor ‘A’
- Repair any damaged wiring or connections in the current sensor circuit
- If the power module is malfunctioning, it may need to be replaced
How to erase DTC P0A86 on BMW
To erase the DTC P0A86 fault code on a BMW, you can:
- Use a diagnostic scanner to clear the fault codes
- After fixing the underlying issue, clear the code and perform a test drive to ensure the problem is resolved
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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