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 pressure sensor voltage is in excess of an allowable value.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P204C-00 |
DEF LINE PRESS |
Diagnosis condition |
Ignition switch ON or the engine is running |
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Signal (terminal) |
DEF pressure sensor signal |
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Threshold |
DEF pressure sensor signal voltage is greater than 4.5 volt for 1 second. |
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Diagnosis delay time |
- |
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