OBD Guide

P1249

Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit

Severity
⚠️ Medium
Can you drive?
Limited driving only, diagnose soon
Approx. repair cost
$17–89 (est.)

Symptoms

  • Unstable engine operation
  • Misfire in cylinder 2
  • Power Loss
  • Increased fuel consumption
  • Check Engine Light Illuminates

Causes

  • Damage to the injector wiring harness
  • Short circuit in control circuit
  • Fuel injector malfunction
  • Problems with the engine control unit
  • Corrosion or oxidation of contacts

How to Fix

  1. Check the integrity of the injector wiring harness
  2. Measure the injector resistance
  3. Check control circuit voltage
  4. Replace the faulty injector if necessary
  5. Repair damaged wiring

Related codes

Error P1249 by Vehicle Brand