Lexus NX: Diagnostic Trouble Code Chart
Lexus NX Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Immobiliser System / Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Immobiliser System| DTC No. | Detection Item | Link |
|---|---|---|
| B2779 | Engine Starter Communication Malfunction | |
| B2784 | Antenna Coil Open / Short | |
| B278A | Short to GND in Immobiliser System Power Source Circuit | |
| B2790 | ID BOX EEPROM Malfunction | |
| B2799-790 | Engine Immobiliser System Malfunction | |
| B279A-186 | Engine Immobiliser System Communication Line High Fixation | |
| B279C-185 | Engine Immobiliser System Presence Detection | |
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Engine Starter Communication Malfunction (B2779)
DESCRIPTION If the remote engine start ECU does not respond to the certification ECU (smart key ECU assembly) or the remote engine start ID is not registered*, this DTC is stored. If communication bet
Antenna Coil Open / Short (B2784)
DESCRIPTION When an open or short circuit is detected in the transponder key amplifier coil built into the power switch, the certification ECU (smart key ECU assembly) stores this DTC. This DTC is als
Short to GND in Immobiliser System Power Source Circuit (B278A)
DESCRIPTION When there is a short to GND in the power supply for the transponder key amplifier of the power switch, the certification ECU (smart key ECU assembly) stores this DTC. DTC No. Detecti
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Display Malfunction (B15A6,B15B0)
DESCRIPTION These DTCs are stored when a malfunction occurs in the multi-display assembly. DTC No. Detection Item DTC Detection Condition Trouble Area B15A6 Display Malfunction When one of the conditions below is met:
RAM error
Drawing controller malfunction
Internal hard dri
Open or Short in Steering Angle Sensor +B (C1625)
DESCRIPTION This DTC is stored if the parking assist ECU receives a signal via CAN communication from the steering sensor that indicates a power supply system problem. DTC No. Detection Item DTC Detection Condition Trouble Area C1625 Open or Short in Steering Angle Sensor +B Open or
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