P035D

Ignition F Control Signal Circuit/Open

Severity

⚠️ Medium

Can you drive?

Limited driving only, diagnose soon

Approx. repair cost

$33–111 (est.)

Symptoms

Misfire in the corresponding cylinder
Unstable engine idling
Reduced power and dynamics
Increased fuel consumption
Check Engine Light Illuminates

Causes

Open or short circuit in wiring harness
Ignition coil malfunction
Problems with the engine control unit (ECU)
Poor contact in connectors
Mechanical damage to wires

How to Fix

Check the condition of the wiring harness and ignition coil connectors
Check the resistance of the ignition coil (compare the nameplate values)
Test control circuit for open/short circuit
If necessary, replace the ignition coil
Clear the error and check if it returns

Related codes

P035A P035B P035C P035E P030F