P3454
Cylinder 6 Exhaust Valve Control Circuit Low
What it means
The engine control module has detected a low voltage condition in the control circuit of the cylinder 6 exhaust valve deactivation solenoid. A short to ground or low-side driver fault prevents proper actuation of the exhaust valve during cylinder deactivation events on cylinder 6.
Is it safe to drive?
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
Solenoid or wiring shorted to ground
highOne of the most commonly reported causes for this code — check this first.
ECM low-side driver failed
mediumA plausible cause — test and verify before replacing parts.
Connector corrosion or pin damage
lowLess common, but worth ruling out after the more likely causes.
Related help
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