P1487 – BMW DTC

BMW DTC P1487 – Internal Control Module Text VVL-Relay Output Stage Over Temperature

DTC P1487 meaning on BMW

The Diagnostic Trouble Code (DTC) P1487 for BMW refers to an issue with the Internal Control Module Text VVL-Relay Output Stage being over temperature. This code indicates that the control module has detected that the relay output stage for the Variable Valve Lift (VVL) system is experiencing higher temperatures than normal.

BMW DTC P1487 symptoms

Symptoms of DTC P1487 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Engine overheating
• Increased fuel consumption

BMW DTC P1487 causes

Possible causes of DTC P1487 on a BMW include:

• Faulty VVL relay
• Wiring or connection issues
• Overheating of the relay due to high engine temperatures

BMW DTC P1487 seriousness

DTC P1487 should be addressed promptly as it can lead to engine performance issues and potential damage if left unresolved. Ignoring this code may result in further complications and increased repair costs.

How to diagnose DTC P1487 on BMW

To diagnose DTC P1487 on a BMW, a mechanic would typically perform the following steps:

1. Use a diagnostic scanner to retrieve the fault codes
2. Inspect the VVL relay and related wiring for any visible damage
3. Check the relay operation and temperature using specialized tools
4. Perform a thorough inspection of the VVL system components

How to fix DTC P1487 on BMW

To fix DTC P1487 on a BMW, the following steps may be taken:

1. Replace the faulty VVL relay if necessary
2. Repair any damaged wiring or connections
3. Clean or replace any components affected by overheating
4. Clear the fault codes and perform a test drive to ensure the issue is resolved

How to erase DTC P1487 on BMW

To erase DTC P1487 on a BMW, the fault codes can be cleared using a diagnostic scanner. After the necessary repairs have been made, the codes can be reset to see if the issue has been successfully resolved. It is important to ensure that the underlying problem causing the fault code has been addressed before clearing the 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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