BMW DTC P3473 – Cylinder 10 Deactivation/Intake Valve Control Circuit/Open
DTC P3473 meaning on BMW
DTC P3473 on a BMW indicates an issue with the Cylinder 10 Deactivation/Intake Valve Control Circuit being open. This means that there is a malfunction in the circuit that controls the deactivation of cylinder 10 or the intake valve in the engine.
BMW DTC P3473 symptoms
Symptoms of DTC P3473 on a BMW may include rough idling, reduced engine performance, misfires, and potentially an illuminated check engine light on the dashboard.
BMW DTC P3473 causes
The causes of DTC P3473 on a BMW can vary, but common reasons include a faulty intake valve control solenoid, wiring issues in the control circuit, or a malfunction in the cylinder deactivation system.
BMW DTC P3473 seriousness
DTC P3473 should be taken seriously as it can lead to poor engine performance and potentially cause damage to the engine if left unresolved. It is recommended to address this issue promptly to prevent further complications.
How to diagnose DTC P3473 on BMW
To diagnose DTC P3473 on a BMW, a mechanic would typically use a diagnostic scanner to retrieve the fault code and then perform a thorough inspection of the intake valve control circuit, intake valve control solenoid, and related wiring to identify the root cause of the issue.
How to fix DTC P3473 on BMW
Fixing DTC P3473 on a BMW may involve replacing the faulty intake valve control solenoid, repairing any damaged wiring in the control circuit, or addressing any issues with the cylinder deactivation system. It is recommended to follow the manufacturer’s repair procedures and use quality replacement parts.
How to erase DTC P3473 on BMW
Once the underlying issue causing DTC P3473 on a BMW has been resolved, the fault code can be cleared using a diagnostic scanner. This will erase the code from the vehicle’s memory and turn off the check engine light on the dashboard.
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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