P035C
Ignition E Control Signal Circuit High
Generic OBD-II
Common symptoms
What you'll notice
- Check the ignition system for any loose connections or damaged wires.
- Inspect and replace the ignition control module if necessary.
- Test the ignition coil for proper functioning and replace if needed.
- Clean the throttle body and idle air control valve to ensure proper air
- fuel mixture.
- Inspect and repair any issues with the engine's fuel injection system.
Common causes
Most likely first
- Faulty ignition coil
- Damaged or loose ignition control module
- Short or open circuit in the ignition E control signal wiring
- Malfunctioning engine control unit (ECU)
- Faulty ignition switch
How to diagnose & fix
Work through it in order
- Engine misfires or runs rough
- Difficult or delayed starting of the engine
- Engine stalling or hesitation during acceleration
- Reduced fuel efficiency
- Illuminated check engine light
Read & clear P035C yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.