BMW DTC P13B6 – Crankshaft / ‘B’ Camshaft Reference Error (Bank 1)
DTC P13B6 meaning on BMW
DTC P13B6 on a BMW indicates a crankshaft / ‘B’ camshaft reference error on Bank 1. This fault code is specific to BMW vehicles and is related to the synchronization between the crankshaft and the ‘B’ camshaft on the engine’s Bank 1 side.
BMW DTC P13B6 symptoms
Symptoms of DTC P13B6 on a BMW may include rough idling, engine misfires, reduced engine performance, and in some cases, the vehicle may go into limp mode. The check engine light will likely be illuminated on the dashboard.
BMW DTC P13B6 causes
The most common causes of DTC P13B6 on a BMW are issues with the camshaft position sensor, crankshaft position sensor, timing chain or belt problems, faulty camshaft adjuster, or wiring/connectivity issues between these components.
BMW DTC P13B6 seriousness
DTC P13B6 should be taken seriously as it can lead to drivability issues and potential engine damage if left unresolved. It is recommended to address this fault code promptly to prevent further complications.
How to diagnose DTC P13B6 on BMW
To diagnose DTC P13B6 on a BMW, a mechanic would typically start by using a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the camshaft and crankshaft sensors, as well as the timing components. Further testing may involve checking the sensor signals, inspecting the timing chain/belt, and verifying the camshaft timing.
How to fix DTC P13B6 on BMW
Fixing DTC P13B6 on a BMW may involve replacing the faulty camshaft or crankshaft position sensor, addressing any timing chain/belt issues, replacing the camshaft adjuster if necessary, and ensuring proper connectivity of the components. It is recommended to follow the manufacturer’s repair procedures and use OEM parts for a reliable fix.
How to erase DTC P13B6 on BMW
Once the underlying issue causing DTC P13B6 on a BMW has been resolved, the fault code can be erased using a diagnostic scanner. This will clear the code from the vehicle’s memory and turn off the check engine light. It is important to ensure that the repair has been successful before clearing the fault code.
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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