P2140 – BMW DTC

BMW DTC P2140 – Throttle/Pedal Position Sensor/Switch ‘E’ / ‘F’ Voltage Correlation

DTC P2140 meaning on BMW

DTC P2140 on a BMW indicates an issue with the Throttle/Pedal Position Sensor/Switch ‘E’ / ‘F’ voltage correlation. This means that there is a discrepancy between the voltage signals from these sensors, which are crucial for the proper operation of the throttle system.

BMW DTC P2140 symptoms

Symptoms of DTC P2140 on a BMW may include:

  • Reduced engine power
  • Unresponsive throttle
  • Engine stalling
  • Check Engine Light (CEL) illuminated

BMW DTC P2140 causes

Common causes of DTC P2140 on a BMW include:

  • Faulty throttle position sensor
  • Wiring issues or poor connections
  • Electronic control module (ECM) malfunction

BMW DTC P2140 seriousness

DTC P2140 should be taken seriously as it can lead to unsafe driving conditions and potential engine damage if left unresolved. It is recommended to address this issue promptly to ensure the vehicle’s proper functionality.

How to diagnose DTC P2140 on BMW

To diagnose DTC P2140 on a BMW, you can perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the throttle position sensor and its wiring for any visible damage
  3. Check the voltage readings from the sensors to identify any discrepancies
  4. Perform a throttle relearn procedure to recalibrate the sensors

How to fix DTC P2140 on BMW

To fix DTC P2140 on a BMW, you can try the following solutions:

  1. Replace the faulty throttle position sensor
  2. Repair any damaged wiring or connectors
  3. Reset the ECM to clear the fault code
  4. Perform a throttle relearn procedure to ensure proper sensor calibration

How to erase DTC P2140 on BMW

To erase DTC P2140 on a BMW, you can use a diagnostic scanner to clear the fault code from the ECM’s memory. Once the issue has been addressed and fixed, you can reset the code to ensure that the system recognizes the repair.

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.