Code result
P047A
Exhaust Pressure Sensor B Circuit
Moderate severity
What it means
A general electrical fault on exhaust pressure sensor B — used to monitor backpressure across the DPF or to control variable-geometry turbo.
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 failed
highOne of the most commonly reported causes for this code — check this first.
Related help
Get the full diagnosis
Add your vehicle and see step-by-step repair help, recalls, and TSBs in Wrenchify.
Diagnose P047A freeNo credit card required