P0CF4

Control Pilot Circuit Range/Performance

Severity

🔴 High

Can you drive?

Yes, but get it checked soon

Approx. repair cost

$17–111 (est.)

Symptoms

Electric car charging problems
Interrupting the charging process
Error indication on the charging station
Reduced charging speed
Complete lack of charging

Causes

Damage to the Control Pilot circuit wires
Charging connector malfunction
Problems with the charging station
Malfunction of the electronic control unit
Contact corrosion

How to Fix

Check the continuity of the Control Pilot circuit wires
Inspect the charging connector for damage
Check the operation of the charging station in another car
Diagnose the electronic control unit
Clean contacts from corrosion

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