Code result
P2DD4
Control Pilot Charging Switch B Stuck On
High severity
What it means
The control pilot charging switch B reports a stuck on condition. SAE J1772 charging signal handshake may be compromised.
Is it safe to drive?
No — stop driving
This code can put the vehicle into limp or reduced-power mode. Avoid extended driving and have the vehicle diagnosed promptly.
Most likely causes
Contacts welded closed
highOne of the most commonly reported causes for this code — check this first.
Driver stuck on
mediumA plausible cause — test and verify before replacing parts.
Carbon or debris buildup preventing free movement
lowLess common, but worth ruling out after the more likely causes.
Related help
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