P25D3 – BMW DTC

BMW DTC P25D3 – Exhaust Camshaft Actuator Park Lock Control Circuit/Open Bank 2

DTC P25D3 meaning on BMW

DTC P25D3 on a BMW indicates an issue with the Exhaust Camshaft Actuator Park Lock Control Circuit/Open on Bank 2. This fault code is specific to the exhaust camshaft actuator, which controls the timing of the exhaust camshaft in relation to the crankshaft. The ¨Park Lock Control Circuit/Open¨ part of the code suggests that there is an open circuit in the control system for the exhaust camshaft actuator on Bank 2.

BMW DTC P25D3 symptoms

Symptoms of DTC P25D3 on a BMW may include:

• Check Engine Light illuminated
• Reduced engine performance
• Engine misfires
• Engine stalling
• Increased fuel consumption

BMW DTC P25D3 causes

Common causes of DTC P25D3 on a BMW include:

• Faulty exhaust camshaft actuator
• Wiring or connector issues in the camshaft actuator circuit
• Defective camshaft position sensor
• Engine timing chain problems

BMW DTC P25D3 seriousness

Ignoring DTC P25D3 on a BMW can lead to potential engine performance issues and further damage. It is important to address this fault code promptly to prevent any long-term damage to the engine components.

How to diagnose DTC P25D3 on BMW

To diagnose DTC P25D3 on a BMW, you can follow these steps:

1. Use a diagnostic scanner to retrieve the fault code and freeze frame data.
2. Inspect the wiring and connectors related to the exhaust camshaft actuator on Bank 2 for any visible damage or corrosion.
3. Test the camshaft actuator for proper operation using a multimeter.
4. Check the camshaft position sensor for proper function.
5. Inspect the engine timing chain for any wear or damage.

How to fix DTC P25D3 on BMW

To fix DTC P25D3 on a BMW, you can consider the following steps:

1. Replace the faulty exhaust camshaft actuator on Bank 2.
2. Repair or replace any damaged wiring or connectors in the camshaft actuator circuit.
3. Replace the camshaft position sensor if found to be defective.
4. If the engine timing chain is the issue, it may need to be replaced.

How to erase DTC P25D3 on BMW

To erase DTC P25D3 on a BMW, you can use a diagnostic scanner to clear the fault code from the vehicle’s memory. After addressing the underlying issue causing the fault code, clearing it from the system will reset the Check Engine Light and ensure that the repair was successful.

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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