DTC Detection Logic
WARNING: This page is about a different car, the 2018 Nissan Titan XD and 2018 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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U0284 |
LOST COMM (A/GRLL SHTTR MDL A) (Lost communication with active grille air shutter module A) |
Diagnosis condition |
Ignition switch ON |
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Signal (terminal) |
Engine communication signal |
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Threshold |
ECM cannot receive the engine communication signal from active grille shutter |
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Diagnosis delay time |
- |
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