BMW DTC P201C – Intake Manifold Runner Control Actuator Supply Voltage Low (Bank 2)
DTC P201C meaning on BMW
The Diagnostic Trouble Code (DTC) P201C for BMW indicates a fault with the Intake Manifold Runner Control Actuator Supply Voltage being low on Bank 2. This means that the control module has detected a lower than expected voltage signal from the actuator responsible for controlling the intake manifold runner on the second bank of cylinders.
BMW DTC P201C symptoms
Symptoms of the DTC P201C on a BMW may include:
- Check Engine Light (MIL) illuminated
- Reduced engine performance
- Engine misfires
- Rough idling
- Decreased fuel efficiency
BMW DTC P201C causes
Common causes of the DTC P201C on a BMW include:
- Faulty Intake Manifold Runner Control Actuator
- Wiring or connector issues in the actuator circuit
- Low voltage supply to the actuator
- Software or programming issues in the engine control module
BMW DTC P201C seriousness
While the DTC P201C may not always result in immediate drivability issues, it is important to address this fault promptly. Ignoring this fault can lead to reduced engine performance, potential damage to engine components, and increased fuel consumption.
How to diagnose DTC P201C on BMW
To diagnose the DTC P201C on a BMW, a mechanic would typically perform the following steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the wiring and connectors related to the Intake Manifold Runner Control Actuator
- Test the voltage supply to the actuator
- Check for any vacuum leaks or mechanical issues in the intake manifold system
How to fix DTC P201C on BMW
To fix the DTC P201C on a BMW, the following steps may be taken:
- Replace the faulty Intake Manifold Runner Control Actuator
- Repair any damaged wiring or connectors in the actuator circuit
- Ensure proper voltage supply to the actuator
- Update the engine control module software if necessary
How to erase DTC P201C on BMW
To erase the DTC P201C on a BMW, the fault code can be cleared using a diagnostic scanner. After addressing the underlying issue causing the fault code, the code can be cleared, and the Check Engine Light should turn off. It is important to ensure that the repair has been successful before clearing the fault code.