OBD Guide

P035A

Ignition E Control Signal Circuit/Open

P035A is an OBD-II diagnostic trouble code meaning: Ignition E Control Signal Circuit/Open. Common causes: break in the wiring harness, solenoid valve malfunction. Estimated repair cost: $56–167.

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

FAQ

What does the P035A code mean?

P035A is an OBD-II diagnostic trouble code that indicates: Ignition E Control Signal Circuit/Open

What causes a P035A error code?

The most common causes of P035A include: Break in the wiring harness; Solenoid valve malfunction; Problems with the ECU; Short circuit in the circuit.

How do I fix a P035A diagnostic trouble code?

To fix P035A: Check the wiring harness for breaks or damage. Check the resistance of the solenoid valve. Check signal from ECU. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P035A?

Limited driving only, diagnose soon

How much does it cost to fix P035A?

The estimated repair cost for P035A is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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