OBD Guide
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P1249

Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit

P1249 is an OBD-II diagnostic trouble code meaning: Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit. Common causes: damage to the injector wiring harness, short circuit in control circuit. Estimated repair cost: $17–89.

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

P1248P1250P1251

Error P1249 by Vehicle Brand

FordLincolnMercuryVolkswagen

FAQ

What does the P1249 code mean?

P1249 is an OBD-II diagnostic trouble code that indicates: Injector 2 Positive Voltage Control Circuit Shorted to Control Circuit

What causes a P1249 error code?

The most common causes of P1249 include: Damage to the injector wiring harness; Short circuit in control circuit; Fuel injector malfunction; Problems with the engine control unit.

How do I fix a P1249 diagnostic trouble code?

To fix P1249: Check the integrity of the injector wiring harness. Measure the injector resistance. Check control circuit voltage. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P1249?

Limited driving only, diagnose soon

How much does it cost to fix P1249?

The estimated repair cost for P1249 is $17–89. Actual cost depends on your vehicle, location, and labor rates.

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See also: Russian version · NationStat