Code result
P2062
Reductant/Regeneration Supply Control Circuit/Open
Moderate severity
What it means
The control line that energises the DEF supply pump or regeneration heating circuit is open — no continuity through the load or 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
Open winding
highOne of the most commonly reported causes for this code — check this first.
Open wire
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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