Code result
P259D
Excessive Time To Enter Closed Loop Turbocharger B Boost Control
Moderate severity
What it means
Same condition as the turbo A excessive-warm-up fault, applied to the second turbo. Boost control tracks commanded vs. actual manifold pressure; persistent deviation means wastegate, vanes, hose or actuator are not delivering the requested pressure.
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
Carbonised VGT vanes
highOne of the most commonly reported causes for this code — check this first.
Related help
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