Code result
P208A
Reductant Pump A Control Circuit/Open
Moderate severity
What it means
The control line driving DEF pump A is open — no continuity through the motor or harness, dosing pressure cannot be built.
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
Pump motor winding open
highOne of the most commonly reported causes for this code — check this first.
Open wire to pump
mediumA plausible cause — test and verify before replacing parts.
Pin pushed back out of connector body
lowLess common, but worth ruling out after the more likely causes.
Related help
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