OBD Guide

P2699

Exhaust Aftertreatment Fuel Injector A Circuit Low

P2699 is an OBD-II diagnostic trouble code meaning: Exhaust Aftertreatment Fuel Injector A Circuit Low. Common causes: malfunction of the exhaust cleaning system injector, open or short circuit in control circuit. Estimated repair cost: $56–167.

Severity
⚠️ Medium
Can you drive?
Yes, but get it checked soon
Approx. repair cost
$56–167 (est.)

Symptoms

  • Check Engine light comes on
  • Possible increase in fuel consumption
  • Reduced engine power
  • Problems with the exhaust gas cleaning system
  • Possible smell of unburned fuel

Causes

  • Malfunction of the exhaust cleaning system injector
  • Open or short circuit in control circuit
  • Problems with wiring harness or contacts
  • Engine control unit malfunction
  • Poor connection or corroded contacts

How to Fix

  1. Check the integrity of the injector circuit
  2. Measure the injector resistance
  3. Check the voltage at the injector connector
  4. Inspect the wiring harness for damage
  5. If necessary, replace the exhaust cleaning system injector

Related codes

Error P2699 by Vehicle Brand

FAQ

What does the P2699 code mean?

P2699 is an OBD-II diagnostic trouble code that indicates: Exhaust Aftertreatment Fuel Injector A Circuit Low

What causes a P2699 error code?

The most common causes of P2699 include: Malfunction of the exhaust cleaning system injector; Open or short circuit in control circuit; Problems with wiring harness or contacts; Engine control unit malfunction.

How do I fix a P2699 diagnostic trouble code?

To fix P2699: Check the integrity of the injector circuit. Measure the injector resistance. Check the voltage at the injector connector. For a complete diagnosis, use an OBD-II scanner.

Is it safe to drive with P2699?

Yes, but get it checked soon

How much does it cost to fix P2699?

The estimated repair cost for P2699 is $56–167. Actual cost depends on your vehicle, location, and labor rates.

See also: Russian version · NationStat