BMW DTC P1685 – Electronic Throttle Control Monitor Level 2/3 Clutch Torque Max Error
DTC P1685 meaning on BMW
The DTC P1685 code on a BMW indicates an Electronic Throttle Control Monitor Level 2/3 Clutch Torque Max Error. This error occurs when the engine control module (ECM) detects an issue with the clutch torque signal while monitoring the electronic throttle control system.
BMW DTC P1685 symptoms
Common symptoms of the BMW DTC P1685 code may include:
- Engine stalling or hesitation
- Reduced engine power
- Check Engine Light (CEL) illuminated on the dashboard
BMW DTC P1685 causes
The potential causes of the BMW DTC P1685 code include:
- Faulty electronic throttle control module
- Issues with the clutch torque sensor
- Wiring or connection problems in the electronic throttle control system
BMW DTC P1685 seriousness
The DTC P1685 code should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this code may result in further damage to the vehicle’s engine or drivetrain components.
How to diagnose DTC P1685 on BMW
Diagnosing the BMW DTC P1685 code typically involves the following steps:
- Use a diagnostic scanner to retrieve the fault codes stored in the ECM.
- Inspect the electronic throttle control module and clutch torque sensor for any visible damage or signs of malfunction.
- Check the wiring and connections in the electronic throttle control system for any loose connections or corrosion.
How to fix DTC P1685 on BMW
To fix the BMW DTC P1685 code, you may need to:
- Replace the faulty electronic throttle control module or clutch torque sensor, if necessary.
- Repair any damaged wiring or connections in the electronic throttle control system.
- Clear the fault codes using a diagnostic scanner after completing the repairs.
How to erase DTC P1685 on BMW
To erase the DTC P1685 code on a BMW:
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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.