P1680 – BMW DTC

BMW DTC P1680 – Electronic Throttle Control Monitor Level 2/3 ADC Processor Fault

DTC P1680 meaning on BMW

DTC P1680 on a BMW indicates an Electronic Throttle Control Monitor Level 2/3 ADC Processor Fault. This fault code is related to the electronic throttle control system, which manages the throttle opening electronically rather than mechanically.

BMW DTC P1680 symptoms

Symptoms of DTC P1680 on a BMW may include:

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

BMW DTC P1680 causes

The common causes of DTC P1680 on a BMW include:

  • Faulty electronic throttle control module
  • Wiring or connector issues in the throttle control circuit
  • Electronic throttle body malfunction
  • Software or programming issues

BMW DTC P1680 seriousness

DTC P1680 should be addressed promptly as it can lead to drivability issues and potential safety concerns. Ignoring this fault code may result in further damage to the electronic throttle control system and other engine components.

How to diagnose DTC P1680 on BMW

To diagnose DTC P1680 on a BMW, a mechanic would typically perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
  2. Inspect the electronic throttle control module and wiring for any visible damage
  3. Test the throttle body for proper operation
  4. Check for any software updates or reprogramming needed

How to fix DTC P1680 on BMW

To fix DTC P1680 on a BMW, the following steps may be taken:

  1. Replace the faulty electronic throttle control module if necessary
  2. Repair any damaged wiring or connectors in the throttle control circuit
  3. Clean or replace the electronic throttle body
  4. Perform any required software updates or reprogramming

How to erase DTC P1680 on BMW

After addressing the underlying issue causing DTC P1680 on a BMW, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the Check Engine Light. It is important to ensure that the repair has been successful before clearing the fault code.

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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