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P2687 – BMW DTC

BMW DTC P2687 – Fuel Supply Heater Control Circuit/Open

DTC P2687 meaning on BMW

DTC P2687 on a BMW indicates a fault with the Fuel Supply Heater Control Circuit. This fault code is triggered when the Engine Control Module (ECM) detects an open circuit in the control circuit of the fuel supply heater.

BMW DTC P2687 symptoms

Symptoms of DTC P2687 on a BMW may include:

  • Check Engine Light illuminated
  • Reduced engine performance
  • Possible hard starting or no start condition

BMW DTC P2687 causes

Common causes of DTC P2687 on a BMW include:

  • Faulty fuel supply heater control circuit
  • Open or short circuit in the wiring harness
  • Defective fuel supply heater

BMW DTC P2687 seriousness

While DTC P2687 may not cause immediate drivability issues, it is important to address this fault to prevent potential starting or performance problems in the future. Ignoring this fault code could lead to further complications.

How to diagnose DTC P2687 on BMW

To diagnose DTC P2687 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 fuel supply heater control circuit for any visible damage or corrosion
  3. Check the wiring harness for continuity and shorts
  4. Test the fuel supply heater for proper operation

How to fix DTC P2687 on BMW

To fix DTC P2687 on a BMW, the following steps may be taken:

  1. Repair or replace any damaged wiring in the fuel supply heater control circuit
  2. Replace the faulty fuel supply heater if necessary
  3. Clear the fault code and perform a test drive to ensure the issue is resolved

How to erase DTC P2687 on BMW

To erase DTC P2687 on a BMW, follow these steps:

  1. Use a diagnostic scanner to clear the fault code
  2. If the issue has been fixed, the Check Engine Light should turn off
  3. Perform a final check to ensure the fault code does not return

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

← All BMW Diagnostic Trouble Codes

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