garajizOBD-II code · generic
P23B1
NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 3
- System
- P2 — Powertrain / emissions (generic)
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does P23B1 mean?
P23B1 is defined as “NOx Sensor Heater Control Circuit/Open Bank 1 Sensor 3”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- P23B0NOx Sensor Circuit Intermittent Bank 1 Sensor 3
- P23B2NOx Sensor Heater Control Circuit Low Bank 1 Sensor 3
- P23AFNOx Sensor Circuit High Bank 1 Sensor 3
- P23B3NOx Sensor Heater Control Circuit High Bank 1 Sensor 3
- P23AENOx Sensor Circuit Low Bank 1 Sensor 3
- P23B4NOx Sensor Heater Sense Circuit Bank 1 Sensor 3
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This page is general information; an exact diagnosis needs measurements and a technician’s check.