garajizOBD-II code · generic
U05A1
NOx Sensor A Received Invalid Data From ECM/PCM
- System
- U — In-vehicle network
- Severity
- Moderate (3/5)
- Can I keep driving?
- Drive with caution
What does U05A1 mean?
U05A1 is defined as “NOx Sensor A Received Invalid Data From ECM/PCM”.
Drive gently and only as far as you need to; have it checked as soon as possible.
Related codes
- U05A0Invalid Data Received from Evaporative Emission System Leak Detection Control Module
- U05A2NOx Sensor B Received Invalid Data From ECM/PCM
- U059FInvalid Data Received From NOx Sensor B
- U05A3Invalid Data Received From Reductant Quality Module
- U059EInvalid Data Received From NOx Sensor A
- U05A4Particulate Matter Sensor Received Invalid Data From ECM/PCM
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This page is general information; an exact diagnosis needs measurements and a technician’s check.