P2751 – BMW DTC

BMW DTC P2751 – Intermediate Shaft Speed Sensor ‘C’ Circuit No Signal

DTC P2751 meaning on BMW

The Diagnostic Trouble Code (DTC) P2751 for BMW refers to the Intermediate Shaft Speed Sensor ‘C’ Circuit No Signal. This code indicates that the vehicle’s onboard computer has detected a lack of signal from the intermediate shaft speed sensor ‘C’, which is crucial for monitoring the speed of the intermediate shaft in the transmission system.

BMW DTC P2751 symptoms

Symptoms associated with DTC P2751 on a BMW may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Transmission shifting issues
• Reduced fuel efficiency
• Vehicle may go into limp mode

BMW DTC P2751 causes

The potential causes of DTC P2751 on a BMW can include:

• Defective intermediate shaft speed sensor ‘C’
• Wiring or connector issues in the sensor circuit
• Faulty transmission control module (TCM)
• Interference from other electrical components

BMW DTC P2751 seriousness

Ignoring DTC P2751 on a BMW can lead to further transmission problems and potential drivability issues. It is important to address this code promptly to prevent any long-term damage to the vehicle’s transmission system.

How to diagnose DTC P2751 on BMW

To diagnose DTC P2751 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s computer.
2. Inspect the wiring and connectors related to the intermediate shaft speed sensor ‘C’ for any damage or corrosion.
3. Test the intermediate shaft speed sensor ‘C’ using a multimeter to check for proper resistance and signal output.
4. Check for any other related codes that may provide additional information on the issue.

How to fix DTC P2751 on BMW

To fix DTC P2751 on a BMW, you can consider the following steps:

1. Replace the defective intermediate shaft speed sensor ‘C’ with a new, OEM part.
2. Repair or replace any damaged wiring or connectors in the sensor circuit.
3. If necessary, reprogram or replace the transmission control module (TCM).
4. Clear the fault codes from the vehicle’s computer after completing the repairs.

How to erase DTC P2751 on BMW

To erase DTC P2751 on a BMW, you can use a diagnostic scanner to clear the fault codes stored in the vehicle’s computer. After completing the necessary repairs and ensuring that the issue has been resolved, you can reset the codes to turn off the Check Engine Light and verify that the problem has been successfully addressed.

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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