BMW DTC P1072 – Internal VVL-Control Module Watchdog or Temperature Sensor Error (Bank 2)
DTC P1072 meaning on BMW
The Diagnostic Trouble Code (DTC) P1072 for BMW indicates an Internal Variable Valve Lift (VVL) Control Module Watchdog or Temperature Sensor Error on Bank 2. This error code is specific to the VVL system, which is responsible for adjusting the valve lift to optimize engine performance and efficiency.
BMW DTC P1072 symptoms
Symptoms of the DTC P1072 on a BMW may include engine misfires, rough idling, reduced power output, decreased fuel efficiency, and in some cases, the vehicle may go into a limp mode where performance is severely limited.
BMW DTC P1072 causes
The most common causes of the DTC P1072 on a BMW include a faulty VVL control module, a malfunctioning temperature sensor, wiring issues, or a software glitch in the engine control module (ECM).
BMW DTC P1072 seriousness
The DTC P1072 error code should not be ignored as it can lead to poor engine performance and potential long-term damage if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P1072 on BMW
To diagnose the DTC P1072 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes stored in the vehicle’s ECM. They would then perform a visual inspection of the VVL system components, check the wiring for any damage, and test the temperature sensor for proper functionality.
How to fix DTC P1072 on BMW
Fixing the DTC P1072 on a BMW may involve replacing the faulty VVL control module, repairing or replacing the temperature sensor, addressing any wiring issues, or updating the ECM software. It is recommended to follow the manufacturer’s repair procedures and use genuine parts to ensure proper functionality.
How to erase DTC P1072 on BMW
Once the underlying issue causing the DTC P1072 on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. This will reset the ECM and turn off the check engine light. It is important to verify that the issue has been fixed before clearing the codes to prevent them from reoccurring.
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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