Code result
P264E
A Rocker Arm Actuator Position Sensor Circuit Intermittent/Erratic Bank 1
Moderate severity
What it means
The position sensor signal jumps or drops out intermittently. Usually a loose connector or a chafed wire in the harness.
Is it safe to drive?
Use caution
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
Sensor connector not fully seated
highOne of the most commonly reported causes for this code — check this first.
Harness chafed against valve cover or cam carrier
mediumA plausible cause — test and verify before replacing parts.
Connector with intermittent contact under vibration
lowLess common, but worth ruling out after the more likely causes.
Related help
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