BMW DTC P11C5 – EVAP System Differential Pressure Sensor Circuit Low
DTC P11C5 meaning on BMW
DTC P11C5 on a BMW refers to a fault with the EVAP (Evaporative Emission Control System) System Differential Pressure Sensor Circuit registering a low voltage. This sensor is responsible for monitoring the pressure difference between the fuel tank and the atmosphere.
BMW DTC P11C5 symptoms
Symptoms of DTC P11C5 on a BMW may include:
- Check Engine Light illuminated
- Decreased fuel efficiency
- Issues with the vehicle’s emission control system
BMW DTC P11C5 causes
Common causes of DTC P11C5 on a BMW include:
- Faulty EVAP System Differential Pressure Sensor
- Wiring or connector issues in the sensor circuit
- EVAP system leaks
BMW DTC P11C5 seriousness
While DTC P11C5 may not cause immediate drivability issues, it can lead to increased emissions and potential long-term damage to the vehicle’s emission control system if left unresolved.
How to diagnose DTC P11C5 on BMW
To diagnose DTC P11C5 on a BMW, a mechanic may perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the EVAP System Differential Pressure Sensor and its wiring for any visible damage
- Perform a smoke test to check for leaks in the EVAP system
How to fix DTC P11C5 on BMW
To fix DTC P11C5 on a BMW, the following steps may be taken:
- Replace the faulty EVAP System Differential Pressure Sensor
- Repair any damaged wiring or connectors in the sensor circuit
- Address any leaks in the EVAP system
How to erase DTC P11C5 on BMW
To erase DTC P11C5 on a BMW, the fault code can be cleared using a diagnostic scanner. After the repair has been completed, the code can be cleared to reset the Check Engine Light.
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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