P208B – BMW DTC

BMW DTC P208B – Reductant Pump ‘A’ Performance/Stuck Off

DTC P208B meaning on BMW

DTC P208B on a BMW indicates an issue with the Reductant Pump ‘A’ performance or that it is stuck off. The reductant pump is responsible for supplying the Diesel Exhaust Fluid (DEF) to the Selective Catalytic Reduction (SCR) system, which helps reduce harmful emissions.

BMW DTC P208B symptoms

Symptoms of DTC P208B on a BMW may include:

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

BMW DTC P208B causes

Common causes of DTC P208B on a BMW include:

  • Defective reductant pump
  • Wiring or connector issues
  • Software glitches
  • Low DEF fluid level

BMW DTC P208B seriousness

Ignoring DTC P208B on a BMW can lead to increased emissions, reduced fuel efficiency, and potential damage to the SCR system. It is important to address this issue promptly to ensure proper vehicle operation and compliance with emissions regulations.

How to diagnose DTC P208B on BMW

To diagnose DTC P208B on a BMW, a mechanic may perform the following steps:

  • Use a diagnostic scanner to retrieve the fault code
  • Inspect the reductant pump for any visible damage or leaks
  • Check the wiring and connectors for any signs of wear or corrosion
  • Verify the DEF fluid level is adequate

How to fix DTC P208B on BMW

To fix DTC P208B on a BMW, the following steps may be taken:

  • Replace the faulty reductant pump if necessary
  • Repair any damaged wiring or connectors
  • Update the software to the latest version
  • Refill the DEF fluid to the proper level

How to erase DTC P208B on BMW

After addressing the underlying issue causing DTC P208B on a BMW, the fault code can be erased using a diagnostic scanner. This will reset the Check Engine Light and allow for monitoring the system for any recurring issues.