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 ECM detected the engine coolant temperature did not reach 72°C (162°F) in a specified amount of time.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0128-00 |
Coolant Thermostat (Coolant Temperature Below Thermostat Regulating Temperature) (Engine cooling system monitor - data valid but below normal operating range - moderately severe level) |
1 |
Diagnosis condition |
Continuously when key is ON, or engine is running |
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Signal (terminal) |
- |
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Threshold |
Coolant temperature < -71.094°C |
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Diagnosis delay time |
Diagnostic runs continuously when the engine is running |
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