BMW DTC P13B5 – Crankshaft / ‘A’ Camshaft Reference Error (Bank 2)
DTC P13B5 meaning on BMW
The DTC P13B5 code on BMW vehicles indicates a crankshaft / ‘A’ camshaft reference error on Bank 2. This error occurs when the Engine Control Module (ECM) detects a discrepancy between the position of the crankshaft and the ‘A’ camshaft on Bank 2.
BMW DTC P13B5 symptoms
Symptoms of the BMW DTC P13B5 code may include rough idling, engine misfires, reduced engine performance, and in some cases, the Check Engine Light may illuminate on the dashboard.
BMW DTC P13B5 causes
The common causes of the DTC P13B5 code on BMW vehicles include a faulty camshaft position sensor, a malfunctioning crankshaft position sensor, timing chain issues, or problems with the variable valve timing system.
BMW DTC P13B5 seriousness
Ignoring the DTC P13B5 code on a BMW can lead to potential engine damage, reduced fuel efficiency, and drivability issues. It is important to address this code promptly to prevent further complications.
How to diagnose DTC P13B5 on BMW
To diagnose the DTC P13B5 code on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the ECM. They would then perform a visual inspection of the camshaft and crankshaft sensors, check the timing chain for wear or slack, and inspect the variable valve timing components for any faults.
How to fix DTC P13B5 on BMW
Fixing the DTC P13B5 code on a BMW may involve replacing the faulty camshaft or crankshaft position sensor, addressing any timing chain issues, or repairing the variable valve timing system. It is recommended to follow the manufacturer’s diagnostic and repair procedures to ensure a proper fix.
How to erase DTC P13B5 on BMW
Once the underlying issue causing the DTC P13B5 code on a BMW has been resolved, the code can be erased using a diagnostic scanner. By clearing the fault codes, the Check Engine Light should turn off, indicating that the issue has been successfully addressed.
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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