BMW DTC P1014 – VVL-Reference Sensor Parity Error (Bank 1)
DTC P1014 meaning on BMW
The Diagnostic Trouble Code (DTC) P1014 for BMW refers to a VVL-Reference Sensor Parity Error on Bank 1. This error code indicates an issue with the Variable Valve Lift (VVL) system’s reference sensor on the first bank of the engine.
BMW DTC P1014 symptoms
Symptoms of the DTC P1014 on a BMW may include engine misfires, rough idling, reduced engine performance, and potentially an illuminated Check Engine Light on the dashboard.
BMW DTC P1014 causes
The VVL-Reference Sensor Parity Error (Bank 1) with DTC P1014 on a BMW can be caused by a faulty VVL reference sensor, wiring issues, or a problem with the engine control module (ECM).
BMW DTC P1014 seriousness
While the DTC P1014 may not cause immediate drivability issues, it is important to address this problem promptly to prevent potential long-term damage to the engine and ensure optimal performance.
How to diagnose DTC P1014 on BMW
To diagnose the DTC P1014 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a visual inspection of the VVL system components, including the reference sensor and associated wiring. Testing the sensor’s resistance and checking for proper voltage signals can help pinpoint the issue.
How to fix DTC P1014 on BMW
Fixing the DTC P1014 on a BMW usually involves replacing the faulty VVL reference sensor on Bank 1. Additionally, checking and repairing any damaged wiring or connectors related to the sensor is crucial. Once the repairs are completed, clearing the fault code and resetting the ECM may be necessary.
How to erase DTC P1014 on BMW
To erase the DTC P1014 on a BMW, a diagnostic scanner can be used to clear the fault code from the ECM’s memory. After the repairs have been made and the issue resolved, resetting the Check Engine Light and ensuring that the code does not reappear during a test drive confirms that the problem 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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