P2745 – BMW DTC

BMW DTC P2745 – Intermediate Shaft Speed Sensor ‘B’ Circuit

DTC P2745 meaning on BMW

The Diagnostic Trouble Code (DTC) P2745 for BMW refers to the Intermediate Shaft Speed Sensor ‘B’ Circuit. This code indicates that there is a malfunction or issue with the circuit related to the intermediate shaft speed sensor ‘B’ in the vehicle’s transmission system.

BMW DTC P2745 symptoms

Symptoms of DTC P2745 on a BMW may include:

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

BMW DTC P2745 causes

Common causes of DTC P2745 on a BMW include:

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

BMW DTC P2745 seriousness

The seriousness of DTC P2745 on a BMW should not be ignored, as it can lead to potential transmission issues and affect the overall drivability of the vehicle. It is recommended to address this code promptly to prevent further damage.

How to diagnose DTC P2745 on BMW

To diagnose DTC P2745 on a BMW, you can follow these steps:

  1. Use a diagnostic scanner to retrieve the fault code
  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 problems

How to fix DTC P2745 on BMW

To fix DTC P2745 on a BMW, you may need to:

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

How to erase DTC P2745 on BMW

To erase DTC P2745 on a BMW, you can:

  1. Use a diagnostic scanner to clear the fault code
  2. Ensure that the underlying issue causing the code has been resolved
  3. Perform a test drive to confirm that the code does not return

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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