P1689 – BMW DTC

BMW DTC P1689 – Electronic Throttle Control Monitor Level 2/3 Torque Calculation Error

DTC P1689 meaning on BMW

DTC P1689 on a BMW indicates an Electronic Throttle Control Monitor Level 2/3 Torque Calculation Error. This error code is related to the electronic throttle control system, which manages the throttle opening in response to driver input.

BMW DTC P1689 symptoms

Symptoms of DTC P1689 on a BMW may include:

  • Reduced engine power
  • Engine stalling
  • Difficulty accelerating
  • Check Engine Light illuminated

BMW DTC P1689 causes

Possible causes of DTC P1689 on a BMW include:

  • Faulty electronic throttle control unit
  • Issues with throttle position sensor
  • Wiring or connection problems
  • Software glitches

BMW DTC P1689 seriousness

DTC P1689 should be taken seriously as it can lead to drivability issues and potential safety concerns. It is recommended to address this error code promptly to avoid further complications.

How to diagnose DTC P1689 on BMW

To diagnose DTC P1689 on a BMW, a mechanic may perform the following steps:

  • Use a diagnostic scanner to retrieve the fault codes
  • Inspect the electronic throttle control system for any visible damage or loose connections
  • Test the throttle position sensor for proper operation
  • Check for any software updates or recalibrations needed

How to fix DTC P1689 on BMW

To fix DTC P1689 on a BMW, the following steps may be taken:

  • Replace the faulty electronic throttle control unit if necessary
  • Repair or replace any damaged wiring or connections in the throttle control system
  • Calibrate or reprogram the throttle position sensor
  • Clear the fault codes and perform a test drive to ensure the issue is resolved

How to erase DTC P1689 on BMW

To erase DTC P1689 on a BMW, the fault codes can be cleared using a diagnostic scanner. After addressing the underlying issue causing the error code, clearing the codes will reset the system and turn off the Check Engine Light.

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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