DTC Detection Logic
WARNING: This page is about a different car, the 2018 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
The Engine Control Module (ECM) detected a mismatch between the after treatment intake and outlet NOx sensor readings.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P225C-00 |
NOx Sensor Bank 1 Sensor 1 Sensor Circuit Drifted High. INTAKE NOX INTAKE NOX CORRCTD INTAKE NOX READING STBL OUTLET NOX OUTLET NOX CORRCTD OUTLET NOX READING STBL |
Diagnosis condition |
Continuously while the ignition is ON or when the engine is running |
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Signal (terminal) |
- |
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Threshold |
The absolute difference between the inlet and outlet NOx sensors was greater than a calibrated threshold |
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Diagnosis delay time |
Diagnostic runs continuously when the engine is running |
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