BMW DTC P0D49 – Battery Charger 14 Volt Output Current Sensor Circuit Low
DTC P0D49 meaning on BMW
The DTC P0D49 on a BMW indicates a fault with the Battery Charger 14 Volt Output Current Sensor Circuit. This fault code is triggered when the output current sensor circuit detects a low voltage signal, indicating a potential issue with the charging system.
BMW DTC P0D49 symptoms
Symptoms of the DTC P0D49 on a BMW may include:
- Check Engine Light illuminated
- Reduced charging system performance
- Issues with battery charging
BMW DTC P0D49 causes
Common causes of the DTC P0D49 on a BMW include:
- Faulty output current sensor
- Wiring or connection issues in the sensor circuit
- Defective battery charger
BMW DTC P0D49 seriousness
The DTC P0D49 should be addressed promptly as it can lead to charging system malfunctions and potential battery issues. Ignoring this fault code may result in the vehicle not starting or other electrical system failures.
How to diagnose DTC P0D49 on BMW
To diagnose the DTC P0D49 on a BMW, you can perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and related data
- Inspect the output current sensor and its wiring for any visible damage or corrosion
- Test the sensor’s voltage output using a multimeter
- Check the battery charger for proper operation
How to fix DTC P0D49 on BMW
To fix the DTC P0D49 on a BMW, you may need to:
- Replace the faulty output current sensor
- Repair or replace any damaged wiring or connections in the sensor circuit
- If the battery charger is defective, replace it with a new unit
How to erase DTC P0D49 on BMW
To erase the DTC P0D49 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After fixing the underlying issue, clearing the code will reset the Check Engine Light and ensure the repair was successful.
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.