Code result
P0639
Throttle Actuator Control Range or Performance Bank 2
Moderate severity
What it means
The drive-by-wire throttle actuator on bank 2 does not respond as commanded - actuator slow, gearing slipping, or position feedback offset against actual blade angle.
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
Actuator sticking due to carbon
highOne of the most commonly reported causes for this code — check this first.
Related help
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