OBD Guide

P035A

Ignition E Control Signal Circuit/Open

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Misfires
  • Reduced engine power
  • Unstable idle
  • Check Engine light comes on

Causes

  • Break in the wiring harness
  • Solenoid valve malfunction
  • Problems with the ECU
  • Short circuit in the circuit

How to Fix

  1. Check the wiring harness for breaks or damage
  2. Check the resistance of the solenoid valve
  3. Check signal from ECU
  4. Replace faulty components

Related codes

Error P035A by Vehicle Brand