OBD-II DTC · SAE J2012

P3473

Cyl10 Deactivation/Intake Valve Ctrl Circ/Open

Powertrain → Depends on cause

What P3473 means

P3473 is a standard SAE J2012 powertrain diagnostic trouble code with the defined meaning: Cyl10 Deactivation/Intake Valve Ctrl Circ/Open. This is the OEM-agnostic definition; specific manufacturer interpretation may add detail (subsystem, bank, sensor location) but the core meaning is consistent across all OBD-II compliant vehicles since 1996.

Can this code be suppressed via ECU tuning?

Whether this code is safe to suppress depends on the underlying cause. Diagnose first, suppress only after confirming the mechanical issue is benign or rectified.

Related codes in the P34xx family

P3400P3401P3402P3403P3404P3405P3406P3407P3408P3409P3410P3411