P2699 Code - Exhaust Aftertreatment Fuel Injector 'A' Circuit Low
Quick Answer
The exhaust fuel addition injector assembly is mounted on the outlet of the turbocharger sub-assembly, and low-pressure fuel is supplied to the exhaust fuel addition injector assembly by the feed pump in the supply pump assembly. Common causes include Faulty Exhaust Aftertreatment Fuel Injector, Exhaust Aftertreatment Fuel Injector harness is open or shorted, Exhaust Aftertreatment Fuel Injector circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2699 indicates Exhaust Aftertreatment Fuel Injector 'A' Circuit Low.
- Common causes
- Common causes include Faulty Exhaust Aftertreatment Fuel Injector, Exhaust Aftertreatment Fuel Injector harness is open or shorted, Exhaust Aftertreatment Fuel Injector circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2699 Description
What are the Possible Causes of the DTC P2699?
- Faulty Exhaust Aftertreatment Fuel Injector
- Exhaust Aftertreatment Fuel Injector harness is open or shorted
- Exhaust Aftertreatment Fuel Injector circuit poor electrical connection
How to Fix the DTC P2699?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P2699 code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
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Frequently Asked Questions about P2699 Code
What does OBD-II code P2699 mean?
Code P2699 indicates a problem with the Exhaust Aftertreatment Fuel Injector 'A' Circuit, specifically a low voltage condition detected by the powertrain control module (PCM).
What are the common symptoms of code P2699?
Symptoms may include an illuminated check engine light, reduced fuel efficiency, poor engine performance, or issues with the vehicle's emissions system.
What causes code P2699?
Common causes include a faulty exhaust aftertreatment fuel injector, damaged wiring or connectors in the injector circuit, or a malfunctioning powertrain control module (PCM).
Can I drive with code P2699?
Driving with this code may result in increased emissions and reduced engine efficiency. It's recommended to address the issue promptly to avoid further damage.
How is code P2699 diagnosed?
A mechanic will typically use a scan tool to retrieve the code, inspect the wiring and connectors, test the fuel injector, and check for proper voltage in the circuit.
What repairs can fix code P2699?
Repairs may include replacing the exhaust aftertreatment fuel injector, repairing or replacing damaged wiring or connectors, or reprogramming or replacing the PCM if necessary.
How much does it cost to fix code P2699?
Repair costs vary depending on the specific issue but can range from $200 to $600 for parts and labor, with injector replacement being a common expense.
Can a dirty exhaust system cause code P2699?
While a dirty exhaust system is not a direct cause, buildup in the system can affect injector performance and lead to related issues.
What happens if code P2699 is ignored?
Ignoring this code can result in increased emissions, reduced fuel efficiency, and potential damage to the exhaust aftertreatment system over time.
Is code P2699 related to the diesel exhaust fluid (DEF) system?
Yes, in vehicles equipped with DEF systems, this code may be associated with the injector responsible for dosing fuel or DEF into the exhaust system.
Discuss the causes and fixes for P2699 OBDII Code
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