BMW DTC P215F – Reductant Heater ‘D’ Current Too High
DTC P215F meaning on BMW
DTC P215F on a BMW indicates that the reductant heater ‘D’ current is too high. The reductant heater is a component of the Selective Catalytic Reduction (SCR) system, which helps reduce harmful emissions from the vehicle’s exhaust. The reductant heater is responsible for heating the Diesel Exhaust Fluid (DEF) to optimize its performance in reducing NOx emissions.
BMW DTC P215F symptoms
Symptoms of DTC P215F on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Possible DEF system warnings
BMW DTC P215F causes
Common causes of DTC P215F on a BMW include:
- Faulty reductant heater ‘D’
- Short circuit or open circuit in the reductant heater circuit
- Defective SCR system components
- Software issues
BMW DTC P215F seriousness
DTC P215F should not be ignored as it can lead to increased emissions and potential regulatory compliance issues. Additionally, continued driving with this fault may result in reduced engine performance and increased fuel consumption.
How to diagnose DTC P215F on BMW
To diagnose DTC P215F on a BMW, a diagnostic scan tool capable of reading BMW specific fault codes is required. The following steps can be taken:
- Retrieve the fault codes from the vehicle’s engine control module
- Inspect the reductant heater ‘D’ and its wiring for any visible damage
- Perform a continuity test on the reductant heater circuit
- Check for any software updates related to the SCR system
How to fix DTC P215F on BMW
To fix DTC P215F on a BMW, the following steps can be taken:
- Replace the faulty reductant heater ‘D’
- Repair any short circuits or open circuits in the reductant heater circuit
- Ensure all SCR system components are functioning correctly
- Perform any necessary software updates
How to erase DTC P215F on BMW
After fixing the underlying issue causing DTC P215F on a BMW, the fault code can be erased using a diagnostic scan tool. Follow these steps:
- Connect the diagnostic scan tool to the vehicle’s OBD-II port
- Navigate to the fault code section and select to clear DTC P215F
- Confirm the deletion of the fault code
- Verify that the Check Engine Light is no longer illuminated
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.