BMW DTC P17B6 – Driveline Communication Circuit – Faulty Signal on FA-CAN Torque Up Request
DTC P17B6 meaning on BMW
The DTC P17B6 on a BMW refers to a driveline communication circuit fault related to a faulty signal on the FA-CAN torque up request. This fault code indicates an issue with the communication system that controls the torque request signal between various components in the driveline system.
BMW DTC P17B6 symptoms
Symptoms of the DTC P17B6 on a BMW may include:
- Loss of power or acceleration
- Transmission shifting issues
- Engine stalling
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P17B6 causes
Common causes of the DTC P17B6 on a BMW include:
- Faulty driveline communication circuit
- Defective torque request sensor
- Wiring or connection issues
- Software glitches in the driveline control module
BMW DTC P17B6 seriousness
The seriousness of the DTC P17B6 fault code on a BMW depends on the underlying cause. Ignoring this fault 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 P17B6 on BMW
To diagnose the DTC P17B6 on a BMW, follow these steps:
- Use a diagnostic scanner to retrieve the fault code and freeze frame data
- Inspect the driveline communication circuit for any visible damage or loose connections
- Test the torque request sensor for proper operation
- Check for any software updates for the driveline control module
How to fix DTC P17B6 on BMW
To fix the DTC P17B6 on a BMW, consider the following:
- Repair or replace any damaged wiring or connectors in the driveline communication circuit
- Replace the torque request sensor if found faulty
- Update the software in the driveline control module to the latest version
- Clear the fault code and perform a test drive to ensure the issue is resolved
How to erase DTC P17B6 on BMW
To erase the DTC P17B6 on a BMW, use a diagnostic scanner to clear the fault code from the vehicle’s memory. After clearing the code, perform a test drive to verify that the issue has been resolved. If the fault persists, further diagnosis may be required.
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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