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) has detected the DEF supply pump assembly Diesel Exhaust Fluid (DEF) Tank Level Sensor voltage is below an allowable value.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P203C-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 0.32 volt (0% DEF tank level) for 1 second. |
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Diagnosis delay time |
- |
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