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 the NOx reading was higher or lower than what was expected for the engine operating conditions.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P2BAD-00 |
NOx Exceedence - Root Cause Unknown (After treatment 1 Intake NOx Sensor - Root Cause Not Known) |
Diagnosis condition |
Engine is running and after treatment diesel oxidation catalyst intake temperature sensor has been above 150° C (302°F) for 5 seconds. |
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Signal (terminal) |
(-) |
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Threshold |
NOx reading was higher or lower than what was expected |
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Diagnosis delay time |
Diagnostic has to meet specific engine and after treatment conditions to run and complete |
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