P1795 – BMW DTC

BMW DTC P1795 – Driveline Communication Circuit – Faulty Signal on A-CAN Torque Up Request

DTC P1795 meaning on BMW

DTC P1795 on a BMW refers to a driveline communication circuit fault related to a faulty signal on the A-CAN torque up request. This fault code indicates an issue with the communication system that controls torque requests between various components in the driveline system.

BMW DTC P1795 symptoms

Symptoms of DTC P1795 on a BMW may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Reduced engine performance or power loss
• Transmission shifting issues
• Vehicle going into limp mode

BMW DTC P1795 causes

Common causes of DTC P1795 on a BMW include:

• Faulty communication circuit connections
• Defective torque control module
• Issues with the A-CAN network
• Wiring harness problems

BMW DTC P1795 seriousness

The seriousness of DTC P1795 on a BMW depends on the underlying cause. Ignoring this fault code can lead to drivability issues and potential damage to driveline components. It is recommended to address this fault promptly to prevent further complications.

How to diagnose DTC P1795 on BMW

To diagnose DTC P1795 on a BMW, follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the communication circuit connections for any loose or damaged wires
3. Check the torque control module for proper operation
4. Perform a CAN bus system test to identify network issues

How to fix DTC P1795 on BMW

To fix DTC P1795 on a BMW, consider the following:

1. Repair any faulty communication circuit connections
2. Replace the torque control module if defective
3. Address any issues with the A-CAN network
4. Repair or replace damaged wiring harnesses

How to erase DTC P1795 on BMW

To erase DTC P1795 on a BMW, follow these steps:

1. Fix the underlying issue causing the fault code
2. Use a diagnostic scanner to clear the code and reset the Check Engine Light
3. Perform a test drive to ensure the fault 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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