P1671 – BMW DTC

BMW DTC P1671 – Internal Control Module Throttle Actuator Controller 2 Performance

DTC P1671 meaning on BMW

DTC P1671 on a BMW indicates an issue with the Internal Control Module Throttle Actuator Controller 2 performance. This fault code is triggered when the control module detects that the performance of the throttle actuator controller 2 is not within the expected range.

BMW DTC P1671 symptoms

Symptoms of DTC P1671 on a BMW may include:

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

BMW DTC P1671 causes

The common causes of DTC P1671 on a BMW include:

  • Throttle actuator failure
  • Wiring or connector issues
  • Software glitches in the control module

BMW DTC P1671 seriousness

DTC P1671 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 vehicle’s components.

How to diagnose DTC P1671 on BMW

To diagnose DTC P1671 on a BMW, a mechanic would typically perform the following steps:

  1. Use a diagnostic scanner to retrieve the fault code
  2. Inspect the throttle actuator and related components for any visible damage
  3. Check the wiring and connectors for any signs of wear or corrosion
  4. Perform a throttle actuator test using diagnostic tools

How to fix DTC P1671 on BMW

Fixing DTC P1671 on a BMW may involve the following steps:

  1. Replace the faulty throttle actuator if necessary
  2. Repair any damaged wiring or connectors
  3. Update the control module software if required
  4. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P1671 on BMW

To erase DTC P1671 on a BMW, follow these steps:

  1. Use a diagnostic scanner to clear the fault code
  2. Perform a test drive to confirm that the code has been successfully erased

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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