P2747 – BMW DTC

BMW DTC P2747 – Intermediate Shaft Speed Sensor ‘B’ Circuit No Signal

DTC P2747 meaning on BMW

The Diagnostic Trouble Code (DTC) P2747 for BMW refers to the Intermediate Shaft Speed Sensor ‘B’ Circuit No Signal. This code indicates that the vehicle’s onboard computer has detected a lack of signal from the intermediate shaft speed sensor ‘B’, which is responsible for monitoring the speed of the intermediate shaft in the transmission.

BMW DTC P2747 symptoms

Symptoms of DTC P2747 on a BMW may include:

  • Check Engine Light illuminated on the dashboard
  • Transmission shifting issues
  • Harsh or delayed shifting
  • Reduced fuel efficiency

BMW DTC P2747 causes

Common causes of DTC P2747 on a BMW include:

  • Failed intermediate shaft speed sensor ‘B’
  • Wiring or connector issues in the sensor circuit
  • Internal transmission problems

BMW DTC P2747 seriousness

The seriousness of DTC P2747 on a BMW depends on the underlying cause. Ignoring this code can lead to further transmission damage and potentially unsafe driving conditions. It is recommended to address this issue promptly to prevent further complications.

How to diagnose DTC P2747 on BMW

To diagnose DTC P2747 on a BMW, follow these steps:

  1. Use a diagnostic scanner to retrieve the fault codes
  2. Inspect the wiring and connectors related to the intermediate shaft speed sensor ‘B’
  3. Test the sensor for proper operation
  4. Check for any internal transmission issues

How to fix DTC P2747 on BMW

To fix DTC P2747 on a BMW, consider the following:

  1. Replace the intermediate shaft speed sensor ‘B’ if faulty
  2. Repair any damaged wiring or connectors in the sensor circuit
  3. Address any internal transmission problems if necessary

How to erase DTC P2747 on BMW

To erase DTC P2747 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. After addressing the underlying issue and making the necessary repairs, clearing the code will reset the Check Engine Light and ensure proper operation.

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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