P2DD4

Control Pilot Charging Switch B Stuck On

Severity

🔴 High

Can you drive?

Do not drive — repair immediately

Approx. repair cost

$17–89 (est.)

Symptoms

Inability to start charging an electric vehicle
Charging error indication on the dashboard
Overheating of charging system components
Activation of vehicle protective systems

Causes

Mechanical stuck charging switch
Relay or solenoid malfunction
Problems with control electronics
Short circuit in control circuit
Wiring harness damage

How to Fix

Check the mechanical condition of the switch
Test the operation of relays and solenoids
Check the integrity of the control circuit
Diagnose control electronics
Replace faulty switch or components

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