P0228 – BMW DTC

BMW DTC P0228 – Throttle/Pedal Position Sensor/Switch ‘C’ Circuit High

DTC P0228 meaning on BMW

DTC P0228 indicates that there is a high voltage condition detected in the throttle/pedal position sensor/switch ‘C’ circuit of a BMW vehicle. This sensor is responsible for monitoring the position of the throttle pedal and sending signals to the engine control module (ECM) to adjust the throttle opening accordingly.

BMW DTC P0228 symptoms

Symptoms of DTC P0228 in a BMW may include:

• Reduced engine power
• Engine stalling
• Difficulty accelerating
• Check Engine Light (CEL) illuminated

BMW DTC P0228 causes

Common causes of DTC P0228 on a BMW include:

• Faulty throttle/pedal position sensor/switch ‘C’
• Short circuit or open circuit in the sensor wiring
• Corrosion or poor connections in the sensor circuit
• ECM software issues

BMW DTC P0228 seriousness

DTC P0228 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this fault may result in further damage to the engine or drivetrain components.

How to diagnose DTC P0228 on BMW

To diagnose DTC P0228 on a BMW, a mechanic can perform the following steps:

1. Use a diagnostic scan tool to retrieve the fault code and freeze frame data
2. Inspect the throttle/pedal position sensor/switch ‘C’ for any visible damage or corrosion
3. Check the sensor wiring and connectors for continuity and proper connections
4. Perform a voltage test on the sensor circuit to determine if the voltage is within specifications

How to fix DTC P0228 on BMW

To fix DTC P0228 on a BMW, the following steps can be taken:

1. Replace the faulty throttle/pedal position sensor/switch ‘C’
2. Repair any damaged wiring or connectors in the sensor circuit
3. Clean any corrosion from the sensor connections
4. Update the ECM software if necessary

How to erase DTC P0228 on BMW

After fixing the underlying issue causing DTC P0228 on a BMW, the fault code can be erased using a diagnostic scan tool. This will clear the code from the ECM’s memory and turn off 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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