OBD-II code · generic
P22A3
NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 2
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P22A3 mean?
P22A3 is defined as “NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 2”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P22A2NOx Sensor Circuit Intermittent Bank 1 Sensor 2
- P22A4NOx Sensor Heater Control Circuit Low Bank 1 Sensor 2
- P22A1NOx Sensor Circuit High Bank 1 Sensor 2
- P22A5NOx Sensor Heater Control Circuit High Bank 1 Sensor 2
- P22A0NOx Sensor Circuit Low Bank 1 Sensor 2
- P22A6NOx Sensor Heater Sense Circuit Bank 1 Sensor 2
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This page is general information; an exact diagnosis needs measurements and a technician’s check.