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Home >> Infiniti >> 2017 >> QX30 Base >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter, Warning Lamp & Indicator (DTCS) >> DTC/Circuit Diagnosis >> DTC U1403: Fuel Level >> DTC Description >> DTC Detection Logic

DTC Detection Logic

DTC CONSULT screen terms DTC detection condition
(Trouble diagnosis content) [Malfunction type]
U1403 29 Implausible sig fuel level received
(Implausible signal "Fuel level" was received.)
SIGNAL INVALID Diagnosis condition Ignition switch ON (After ignition switch ON, wait for 5 seconds to start the engine)
Signal (terminal) Fuel level sensor signal
(CAN message from BCM)
Threshold Received error message from BCM
Diagnosis delay time 1 minute or more