OBD Guide

P035C

Ignition E Control Signal Circuit High

P035C is an OBD-II diagnostic trouble code meaning: Ignition E Control Signal Circuit High. Common causes: open or short circuit in the ignition coil wiring harness, cylinder e 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

  • Misfire in cylinder E
  • Unstable engine operation
  • Power Loss
  • Increased fuel consumption
  • Check Engine light comes on

Causes

  • Open or short circuit in the ignition coil wiring harness
  • Cylinder E ignition coil malfunction
  • Problems with ignition coil connectors
  • ECU malfunction
  • Corrosion of contacts in the control circuit

How to Fix

  1. Check the integrity of the ignition coil wiring harness
  2. Inspect the coil connectors for damage and corrosion.
  3. Check the resistance of the ignition coil
  4. If necessary, replace the ignition coil
  5. Check the control signal from the ECU using an oscilloscope
  6. If problems are detected with the ECU, replace or reprogram the unit

Related codes

Error P035C by Vehicle Brand

FAQ

What does the P035C code mean?

P035C is an OBD-II diagnostic trouble code that indicates: Ignition E Control Signal Circuit High

What causes a P035C error code?

The most common causes of P035C include: Open or short circuit in the ignition coil wiring harness; Cylinder E ignition coil malfunction; Problems with ignition coil connectors; ECU malfunction.

How do I fix a P035C diagnostic trouble code?

To fix P035C: Check the integrity of the ignition coil wiring harness. Inspect the coil connectors for damage and corrosion.. Check the resistance of the ignition coil. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P035C?

Limited driving only, diagnose soon

How much does it cost to fix P035C?

The estimated repair cost for P035C is $56–167. Actual cost depends on your vehicle, location, and labor rates.

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