BMW DTC P208C – Reductant Pump ‘A’ Control Circuit Low
DTC P208C meaning on BMW
DTC P208C indicates a fault with the Reductant Pump ‘A’ Control Circuit on a BMW vehicle. The reductant pump is responsible for supplying the necessary fluid (such as AdBlue) to the Selective Catalytic Reduction (SCR) system to reduce emissions.
BMW DTC P208C symptoms
Symptoms of DTC P208C on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased emissions
- Possible DEF (diesel exhaust fluid) warning message
BMW DTC P208C causes
Common causes of DTC P208C on a BMW include:
- Faulty reductant pump ‘A’
- Wiring or connector issues in the control circuit
- Defective SCR system components
BMW DTC P208C seriousness
DTC P208C should be addressed promptly as it can lead to increased emissions and potential compliance issues with emissions regulations. Ignoring this fault may result in reduced engine performance and possible damage to the SCR system.
How to diagnose DTC P208C on BMW
To diagnose DTC P208C on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code
- Inspect the reductant pump ‘A’ and its wiring for any visible damage
- Check the control circuit for continuity and proper voltage
- Test the SCR system components for functionality
How to fix DTC P208C on BMW
To fix DTC P208C on a BMW, the following steps may be taken:
- Replace the faulty reductant pump ‘A’
- Repair any damaged wiring or connectors in the control circuit
- Address any issues with the SCR system components
- Clear the fault code and reset the Check Engine Light
How to erase DTC P208C on BMW
To erase DTC P208C on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s ECU. Once the repair has been completed and the underlying issue resolved, the code can be cleared to turn off the Check Engine Light.
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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