P2507 – BMW DTC

BMW DTC P2507 – ECM/PCM Power Input Signal Low

DTC P2507 meaning on BMW

DTC P2507 on a BMW indicates that the Engine Control Module (ECM) or Powertrain Control Module (PCM) has detected a low voltage signal from the power input circuit. This means that the voltage supplied to the ECM/PCM is below the specified threshold, causing the system to trigger the fault code.

BMW DTC P2507 symptoms

Symptoms of DTC P2507 on a BMW may include:

• Check Engine Light (CEL) illuminated on the dashboard
• Engine running rough or misfiring
• Reduced engine performance
• Difficulty starting the engine

BMW DTC P2507 causes

The common causes of DTC P2507 on a BMW include:

• Faulty ECM/PCM power input circuit
• Loose or corroded electrical connections
• Defective ECM/PCM
• Issues with the vehicle’s battery or charging system

BMW DTC P2507 seriousness

DTC P2507 should be addressed promptly as it can lead to drivability issues and potential damage to other engine components if left unresolved. Ignoring this fault code may result in further complications and increased repair costs.

How to diagnose DTC P2507 on BMW

To diagnose DTC P2507 on a BMW, a mechanic should perform the following steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data
2. Inspect the power input circuit for any visible damage or corrosion
3. Check the battery voltage and charging system to ensure they are within specifications
4. Test the ECM/PCM for proper operation

How to fix DTC P2507 on BMW

To fix DTC P2507 on a BMW, the following steps can be taken:

1. Repair any damaged or corroded electrical connections in the power input circuit
2. Replace the ECM/PCM if found to be faulty
3. Ensure the vehicle’s battery and charging system are functioning correctly
4. Clear the fault code and perform a test drive to verify the repair

How to erase DTC P2507 on BMW

To erase DTC P2507 on a BMW, follow these steps:

1. Use a diagnostic scanner to clear the fault code from the ECM/PCM memory
2. Perform a battery reset by disconnecting the negative terminal for a few minutes
3. Reconnect the battery and start the engine to ensure the fault code is no longer present

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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