P208A – BMW DTC

BMW DTC P208A – Reductant Pump ‘A’ Control Circuit/Open

DTC P208A meaning on BMW

DTC P208A indicates a fault with the Reductant Pump ‘A’ Control Circuit/Open in 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 P208A symptoms

Symptoms of DTC P208A in a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Increased emissions
• Difficulty starting the vehicle

BMW DTC P208A causes

Common causes of DTC P208A in a BMW include:

• Faulty reductant pump
• Open or short circuit in the control circuit
• Corroded or damaged wiring/connectors
• Defective SCR system components

BMW DTC P208A seriousness

Ignoring DTC P208A in a BMW can lead to increased emissions, reduced fuel efficiency, and potential damage to the catalytic converter. It is important to address this issue promptly to maintain the vehicle’s performance and comply with emissions regulations.

How to diagnose DTC P208A on BMW

To diagnose DTC P208A on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault code
2. Inspect the reductant pump and its wiring for any visible damage
3. Check the control circuit for continuity and proper voltage
4. Perform a system test to verify the functionality of the SCR system

How to fix DTC P208A on BMW

To fix DTC P208A on a BMW, you may need to:

1. Replace the faulty reductant pump
2. Repair any open or short circuits in the control circuit
3. Repair or replace damaged wiring/connectors
4. Reset the fault code and test drive the vehicle to ensure the issue is resolved

How to erase DTC P208A on BMW

To erase DTC P208A on a BMW, you can:

1. Use a diagnostic scanner to clear the fault code
2. Ensure that the underlying issue causing the fault code has been addressed
3. Perform a final system check to confirm that the fault code has been successfully erased

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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