BMW DTC P0018 – Crankshaft Position – Camshaft Position Correlation (Bank 2 Sensor A)
DTC P0018 meaning on BMW
The DTC P0018 code on a BMW indicates a problem with the correlation between the crankshaft position sensor and the camshaft position sensor on Bank 2 Sensor A. This means that the Engine Control Module (ECM) has detected that the camshaft and crankshaft are not synchronized properly.
BMW DTC P0018 symptoms
Symptoms of a DTC P0018 on a BMW may include rough idling, engine misfires, decreased fuel efficiency, difficulty starting the engine, and in some cases, the Check Engine Light may illuminate on the dashboard.
BMW DTC P0018 causes
The common causes of a DTC P0018 on a BMW include a faulty camshaft position sensor, a faulty crankshaft position sensor, timing chain issues, incorrect oil viscosity or level, and problems with the variable valve timing system.
BMW DTC P0018 seriousness
Ignoring a DTC P0018 on a BMW can lead to engine performance issues, potential damage to engine components, and in severe cases, engine failure. It is important to address this issue promptly to prevent further damage.
How to diagnose DTC P0018 on BMW
To diagnose a DTC P0018 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and then perform a visual inspection of the camshaft and crankshaft sensors, check the timing chain for proper alignment, and inspect the variable valve timing system for any issues.
How to fix DTC P0018 on BMW
Fixing a DTC P0018 on a BMW may involve replacing the faulty camshaft or crankshaft position sensor, addressing any timing chain issues, ensuring the correct oil viscosity and level, and repairing any problems with the variable valve timing system. It is recommended to follow the manufacturer’s repair procedures for a proper fix.
How to erase DTC P0018 on BMW
Once the underlying issue causing the DTC P0018 on a BMW has been fixed, the fault codes can be cleared using a diagnostic scanner. This will reset the Check Engine Light and erase the DTC P0018 code from the ECM’s memory.
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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