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.
Diesel Exhaust Fluid (DEF) tank level sensor circuit - Voltage below normal or shorted to low source. Low signal voltage detected at the DEF tank level sensor circuit.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P203B-00 |
DEF TANK LEVEL |
Diagnosis condition |
Ignition switch ON or the engine is running |
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Signal (terminal) |
DEF tank level sensor signal |
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Threshold |
DEF Tank Level Sensor Signal circuit is less than 0.3V for 1 second. |
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Diagnosis delay time |
- |
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