BMW DTC P3444 – Cylinder 6 Deactivation/Intake Valve Control Circuit High
DTC P3444 meaning on BMW
DTC P3444 for BMW indicates an issue with the Cylinder 6 Deactivation/Intake Valve Control Circuit being detected as high. This means that the control module has detected a higher than expected voltage in the circuit controlling the deactivation or intake valve for cylinder 6.
BMW DTC P3444 symptoms
Symptoms of DTC P3444 on a BMW may include engine misfires, rough idling, reduced engine performance, and potentially an illuminated check engine light on the dashboard.
BMW DTC P3444 causes
The common causes of DTC P3444 on a BMW can include a faulty deactivation/intake valve, a malfunctioning control module, wiring issues in the control circuit, or a poor connection in the circuit.
BMW DTC P3444 seriousness
While DTC P3444 may not always result in immediate drivability issues, it can lead to reduced engine performance and potentially cause further damage if left unresolved. It is recommended to address this issue promptly to prevent any long-term problems.
How to diagnose DTC P3444 on BMW
To diagnose DTC P3444 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault codes and perform a thorough inspection of the deactivation/intake valve, control circuit, and related components. They may also conduct voltage tests and continuity checks to pinpoint the exact cause of the issue.
How to fix DTC P3444 on BMW
Fixing DTC P3444 on a BMW may involve replacing the faulty deactivation/intake valve, repairing any damaged wiring or connections in the control circuit, or replacing the control module if necessary. It is important to follow the manufacturer’s diagnostic and repair procedures to ensure a proper fix.
How to erase DTC P3444 on BMW
Once the underlying issue causing DTC P3444 on a BMW has been resolved, the fault codes can be cleared using a diagnostic scanner. This will erase the code from the vehicle’s memory and turn off the check engine light. It is important to verify that the issue has been successfully addressed before clearing the fault codes.
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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