BMW DTC P214C – SCR NOx Catalyst Outlet Temperature Too High
DTC P214C meaning on BMW
DTC P214C on a BMW indicates that the Selective Catalyst Reduction (SCR) system has detected that the NOx Catalyst Outlet Temperature is too high. This fault code is specific to the SCR system, which is responsible for reducing nitrogen oxide emissions in the vehicle’s exhaust gases.
BMW DTC P214C symptoms
Symptoms of DTC P214C on a BMW may include:
- Check Engine Light illuminated
- Reduced engine performance
- Increased fuel consumption
- Potential exhaust odor or abnormal exhaust emissions
BMW DTC P214C causes
Common causes of DTC P214C on a BMW include:
- Malfunctioning NOx sensor
- Exhaust system leaks
- Issues with the SCR catalyst
- Software or calibration issues
BMW DTC P214C seriousness
DTC P214C should not be ignored as it can lead to increased emissions and potential damage to the vehicle’s catalytic converter. Continued driving with this fault code present may also result in reduced fuel efficiency and engine performance.
How to diagnose DTC P214C on BMW
To diagnose DTC P214C on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and any related codes
- Inspect the NOx sensor and wiring for any visible damage
- Check for exhaust leaks or damage to the SCR system components
- Perform system tests to verify the functionality of the SCR system
How to fix DTC P214C on BMW
To fix DTC P214C on a BMW, the following steps may be taken:
- Replace the faulty NOx sensor if found to be defective
- Repair any exhaust leaks or damaged components in the SCR system
- Update the software or recalibrate the system as needed
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P214C on BMW
To erase DTC P214C on a BMW, a diagnostic scanner can be used to clear the fault code from the vehicle’s memory. After the repair or maintenance has been completed, the code can be cleared, and the vehicle can be retested to ensure the issue has been resolved.
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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