P269A OBD-II: Exhaust Aftertreatment Fuel Injector "A" Circuit High
P269A Severity
Will P269A go away on its own?
Once the vehicle's onboard system no longer detects the issue, most codes will disappear on their own. If your vehicle still has this code, however, it should be properly diagnosed to avoid a more serious problem.
For a proper diagnosis, RepairPal Certified shops have the equipment, tools, and expertise.
Moderate severity codes might not threaten the vehicle's safety or functionality immediately, but you should still get it diagnosed within a reasonable time frame to keep your car running well.
What causes OBD-II fault code P269A?
Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases. In order to burn off those particles, the temperature of the exhaust system needs to increase. the injection of DEF Fluid into the exhaust stream brings Diesel Particulate Filter (DPF) up to temperature. The system is then able to convert harmful NOx to Nitrogen, Carbon Dioxide, and water. The DEF injector injects DEF into the DPF. If the Injector fails to operate as commanded, code P2699A will be stored.
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OBD II Fault Code
- OBD II P269A
OBD-II Code Decreased engine performance is defined as a Exhaust Aftertreatment Fuel Injector "A" Circuit High
Diesel Exhaust Fluid (DEF) is used to assist in converting leftover exhaust particles to harmless gases. In order to burn off those particles, the temperature of the exhaust system needs to increase. the injection of DEF Fluid into the exhaust stream brings Diesel Particulate Filter (DPF) up to temperature. The system is then able to convert harmful NOx to Nitrogen, Carbon Dioxide, and water. The DEF injector injects DEF into the DPF. If the Injector fails to operate as commanded, code P2699A will be stored.
Decreased engine performance Symptoms
- Decreased engine performance
- DPF regeneration may not occur
Common Problems That Trigger the P269A Code
- DEF injector failure
- Powertrain Control Module (PCM) failure
- Wiring issue
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