OBD Guide

P0289

Cylinder 10 Injector A Circuit High

P0289 is an OBD-II diagnostic trouble code meaning: Cylinder 10 Injector A Circuit High. Common causes: broken or damaged injector wiring harness, oxidation of injector connector contacts. 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 10
  • Unstable engine operation
  • Power reduction
  • Increased fuel consumption

Causes

  • Broken or damaged injector wiring harness
  • Oxidation of injector connector contacts
  • Injector solenoid malfunction
  • ECU problems (rare)

How to Fix

  1. Visual inspection of the injector wiring harness and connectors
  2. Checking the injector circuit resistance with a multimeter
  3. Replacing damaged wires or connectors
  4. Check and replace the injector if necessary

Related codes

Error P0289 by Vehicle Brand

FAQ

What does the P0289 code mean?

P0289 is an OBD-II diagnostic trouble code that indicates: Cylinder 10 Injector A Circuit High

What causes a P0289 error code?

The most common causes of P0289 include: Broken or damaged injector wiring harness; Oxidation of injector connector contacts; Injector solenoid malfunction; ECU problems (rare).

How do I fix a P0289 diagnostic trouble code?

To fix P0289: Visual inspection of the injector wiring harness and connectors. Checking the injector circuit resistance with a multimeter. Replacing damaged wires or connectors. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P0289?

Limited driving only, diagnose soon

How much does it cost to fix P0289?

The estimated repair cost for P0289 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat