BMW DTC P235E – Cylinder 11 Pressure Sensor Circuit Low
DTC P235E meaning on BMW
DTC P235E on a BMW indicates an issue with the Cylinder 11 Pressure Sensor Circuit registering a low voltage. This fault code is specific to BMW vehicles and is related to the pressure sensor in the eleventh cylinder of the engine.
BMW DTC P235E symptoms
Symptoms of DTC P235E on a BMW may include rough idling, reduced engine performance, misfires, and potentially an illuminated check engine light on the dashboard. The vehicle may also experience decreased fuel efficiency.
BMW DTC P235E causes
The most common causes of DTC P235E on a BMW are a faulty cylinder 11 pressure sensor, damaged wiring or connectors in the sensor circuit, or a problem with the engine control module (ECM) that is responsible for monitoring the sensor data.
BMW DTC P235E seriousness
While DTC P235E may not cause immediate drivability issues, it is important to address this fault code promptly to prevent potential engine damage or further complications. Ignoring this fault could lead to more severe problems over time.
How to diagnose DTC P235E on BMW
To diagnose DTC P235E on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the cylinder 11 pressure sensor and its wiring. Testing the sensor’s resistance and checking for any loose connections or corrosion would help pinpoint the issue.
How to fix DTC P235E on BMW
Fixing DTC P235E on a BMW usually involves replacing the faulty cylinder 11 pressure sensor if it is determined to be the cause of the low voltage reading. Additionally, repairing any damaged wiring or connectors in the sensor circuit and ensuring proper connection to the ECM may be necessary.
How to erase DTC P235E on BMW
Once the underlying issue causing DTC P235E on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. By accessing the vehicle’s ECM and selecting the option to clear fault codes, the DTC P235E should be erased from the system, and the check engine light should turn off.
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.