BMW DTC P214E – Reductant Pump ‘A’ Current Too High
DTC P214E meaning on BMW
DTC P214E on a BMW indicates that the reductant pump ‘A’ current is too high. The reductant pump is responsible for supplying the diesel exhaust fluid (DEF) to the selective catalytic reduction (SCR) system. When the current drawn by the reductant pump exceeds the specified threshold, the P214E fault code is triggered.
BMW DTC P214E symptoms
Symptoms of DTC P214E on a BMW may include:
- Check Engine Light (CEL) illuminated
- Reduced engine performance
- Increased fuel consumption
- Possible DEF system warnings
BMW DTC P214E causes
The common causes of DTC P214E on a BMW include:
- Defective reductant pump ‘A’
- Wiring or connector issues in the reductant pump circuit
- Faulty SCR system components
- Software issues
BMW DTC P214E seriousness
DTC P214E should not be ignored as it can lead to increased emissions, reduced fuel efficiency, and potential damage to the SCR system. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P214E on BMW
To diagnose DTC P214E on a BMW, you can follow these steps:
- Use a diagnostic scanner to retrieve the fault codes
- Inspect the reductant pump ‘A’ for any visible damage or leaks
- Check the wiring and connectors for any signs of wear or corrosion
- Perform a system test to verify the functionality of the reductant pump and SCR system
How to fix DTC P214E on BMW
To fix DTC P214E on a BMW, you can consider the following steps:
- Replace the reductant pump ‘A’ if it is found to be faulty
- Repair any damaged wiring or connectors in the reductant pump circuit
- Address any issues with the SCR system components
- Update the software if necessary
How to erase DTC P214E on BMW
To erase DTC P214E on a BMW, you can clear the fault codes using a diagnostic scanner. After addressing the underlying issue that caused the fault code, you can reset the codes to turn off the Check Engine Light and monitor the system for any reoccurrence of the fault.
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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