BMW DTC P25D5 – Exhaust Camshaft Actuator Park Lock Control Circuit High Bank 2
DTC P25D5 meaning on BMW
DTC P25D5 on a BMW indicates an issue with the Exhaust Camshaft Actuator Park Lock Control Circuit High 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 High¨ part of the code suggests that there is a high voltage condition detected in the circuit responsible for controlling the exhaust camshaft actuator on Bank 2.
BMW DTC P25D5 symptoms
Symptoms of DTC P25D5 on a BMW may include rough idling, reduced engine performance, poor fuel efficiency, and potentially an illuminated check engine light on the dashboard. The vehicle may also experience hesitation or lack of power during acceleration.
BMW DTC P25D5 causes
The causes of DTC P25D5 on a BMW can vary, but common reasons include a faulty exhaust camshaft actuator, wiring issues in the control circuit, a malfunctioning camshaft position sensor, or a problem with the engine control module (ECM).
BMW DTC P25D5 seriousness
While DTC P25D5 may not cause immediate drivability issues, it is important to address this fault code promptly to prevent potential damage to the engine or emissions system. Ignoring this fault code could lead to more severe engine problems over time.
How to diagnose DTC P25D5 on BMW
To diagnose DTC P25D5 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault code and any related freeze frame data. They would then inspect the exhaust camshaft actuator, check the wiring and connectors in the control circuit, and test the camshaft position sensor for proper operation. Additionally, a thorough inspection of the ECM may be necessary to rule out any internal faults.
How to fix DTC P25D5 on BMW
Fixing DTC P25D5 on a BMW may involve replacing the faulty exhaust camshaft actuator, repairing any damaged wiring or connectors in the control circuit, replacing the camshaft position sensor if necessary, or reprogramming the ECM. It is recommended to follow the manufacturer’s diagnostic and repair procedures to ensure a proper fix for this fault code.
How to erase DTC P25D5 on BMW
Once the underlying issue causing DTC P25D5 on a BMW has been diagnosed and repaired, the fault code can be cleared using a diagnostic scanner. By clearing the code, the check engine light should turn off, indicating that the issue has been resolved. It is important to verify that the fault code does not return after clearing it to 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
Some of the links on this page may be affiliate links, which means we may earn a small commission if you make a purchase. This helps us keep our DTC database up to date and provide valuable content for free. We only recommend products that we have tested and believe to be the best in their class.