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P0A59 – BMW DTC

BMW DTC P0A59 – Generator Current Sensor Circuit

DTC P0A59 meaning on BMW

The Diagnostic Trouble Code (DTC) P0A59 for BMW refers to an issue with the Generator Current Sensor Circuit. This code indicates that there is a problem with the electrical circuit that monitors the current output of the generator in the vehicle.

BMW DTC P0A59 symptoms

Symptoms of DTC P0A59 on a BMW may include:

  • Malfunction indicator light (MIL) or check engine light illuminated on the dashboard
  • Reduced electrical system performance
  • Problems with charging the vehicle’s battery

BMW DTC P0A59 causes

Common causes of DTC P0A59 on a BMW include:

  • Faulty generator current sensor
  • Wiring or connection issues in the generator current sensor circuit
  • Generator failure

BMW DTC P0A59 seriousness

The seriousness of DTC P0A59 on a BMW depends on the underlying cause. Ignoring this code can lead to potential electrical system failures, battery charging issues, and ultimately, the vehicle not starting. It is recommended to address this code promptly to prevent further damage.

How to diagnose DTC P0A59 on BMW

To diagnose DTC P0A59 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer
  2. Inspect the generator current sensor and its wiring for any visible damage or corrosion
  3. Test the generator output to ensure it is functioning correctly

How to fix DTC P0A59 on BMW

To fix DTC P0A59 on a BMW, you may need to:

  1. Replace the faulty generator current sensor
  2. Repair any damaged wiring or connections in the circuit
  3. If the generator is faulty, replace it with a new one

How to erase DTC P0A59 on BMW

To erase DTC P0A59 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault codes from the vehicle’s computer
  2. After fixing the underlying issue, ensure that the MIL or check engine light is no longer illuminated

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

← All BMW Diagnostic Trouble Codes

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