P2622 – BMW DTC

BMW DTC P2622 – Throttle Position Output Circuit High

DTC P2622 meaning on BMW

The Diagnostic Trouble Code (DTC) P2622 for BMW refers to the Throttle Position Output Circuit High. This code indicates that the Engine Control Module (ECM) has detected a high voltage signal from the throttle position sensor, which is outside of the expected range. The throttle position sensor is responsible for monitoring the position of the throttle pedal and sending this information to the ECM to adjust the engine’s performance accordingly.

BMW DTC P2622 symptoms

Symptoms of the DTC P2622 on a BMW may include:

• Check Engine Light illuminated on the dashboard
• Reduced engine power or acceleration
• Engine stalling or rough idling
• Difficulty shifting gears (in automatic transmissions)

BMW DTC P2622 causes

The common causes of the DTC P2622 on a BMW include:

• Faulty throttle position sensor
• Corroded or damaged wiring/connectors in the throttle position sensor circuit
• Issues with the ECM or related control modules

BMW DTC P2622 seriousness

While the DTC P2622 may not always result in immediate drivability issues, it is important to address this code promptly to prevent potential engine performance problems and further damage. Ignoring this code can lead to reduced fuel efficiency, drivability issues, and potential safety concerns.

How to diagnose DTC P2622 on BMW

To diagnose the DTC P2622 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
2. Inspect the throttle position sensor and its wiring for any visible damage or corrosion.
3. Perform a voltage test on the throttle position sensor to check for proper signal output.
4. Check for any related codes or issues in the ECM or other control modules.

How to fix DTC P2622 on BMW

To fix the DTC P2622 on a BMW, you can try the following solutions:

1. Replace the faulty throttle position sensor with a new one.
2. Repair or replace any damaged wiring or connectors in the throttle position sensor circuit.
3. Clear the fault codes from the ECM and perform a throttle position sensor calibration.
4. If the issue persists, consult a professional mechanic for further diagnosis and repair.

How to erase DTC P2622 on BMW

To erase the DTC P2622 on a BMW, you can:

1. Use a diagnostic scanner to clear the fault codes stored in the ECM.
2. After clearing the codes, perform a test drive to ensure the issue has been resolved.
3. If the Check Engine Light does not reappear, the DTC P2622 has been successfully erased.

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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