OBD Guide

P035B

Ignition E Control Signal Circuit Low

P035B is an OBD-II diagnostic trouble code meaning: Ignition E Control Signal Circuit Low. Common causes: open or short circuit in wiring harness, ignition coil malfunction. Estimated repair cost: $56–167.

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

Symptoms

  • Misfires
  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption
  • Check Engine Light Is On

Causes

  • Open or short circuit in wiring harness
  • Ignition coil malfunction
  • Problems with the ECU
  • Poor contact in connectors

How to Fix

  1. Check wiring harness for damage
  2. Check the ignition coil and ECU connectors
  3. Check the resistance of the ignition coil
  4. Replace the ignition coil if necessary
  5. Check and, if necessary, replace the computer

Related codes

Error P035B by Vehicle Brand

FAQ

What does the P035B code mean?

P035B is an OBD-II diagnostic trouble code that indicates: Ignition E Control Signal Circuit Low

What causes a P035B error code?

The most common causes of P035B include: Open or short circuit in wiring harness; Ignition coil malfunction; Problems with the ECU; Poor contact in connectors.

How do I fix a P035B diagnostic trouble code?

To fix P035B: Check wiring harness for damage. Check the ignition coil and ECU connectors. Check the resistance of the ignition coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P035B?

Limited driving only, diagnose soon

How much does it cost to fix P035B?

The estimated repair cost for P035B is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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