Lexus NX: Right Headlight ECU Variation Error (B2455)
Lexus NX Service Manual / Vehicle Exterior / Lighting (ext) / Lighting System (for Triple Beam Headlight) / Right Headlight ECU Variation Error (B2455)
DESCRIPTION
This DTC is output when a headlight ECU sub-assembly RH that is incompatible with the vehicle is installed.
The headlight ECU sub-assembly LH outputs DTC B2455.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2455 | Right Headlight ECU Variation Error | Headlight ECU sub-assembly RH variation mismatch | Headlight ECU sub-assembly RH |
PROCEDURE
| 1. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Turn the power switch on (IG).
(c) Check for DTCs.
Click here
OK:
DTC B2455 output does not occur.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY RH |
READ NEXT:
Left Headlight ECU Variation Error (B2456)
DESCRIPTION This DTC is output when a headlight ECU sub-assembly LH that is incompatible with the vehicle is installed. The headlight ECU sub-assembly LH outputs DTC B2456. DTC No. Detection Item
Control Module Communication Bus "A" Off (U0073,U0100,U0101,U0126,U0129,U0142,U0155,U0293)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area U0073 Control Module Communication Bus "A" Off Bus off condition is detected. CAN communication system U0
Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012987,U014087,U029387)
DESCRIPTION DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from U012587 Lost Communication with Multi-axis Acceleration Sensor Module Missing Message Communi
SEE MORE:
Portable Player cannot be Operated Using In-vehicle Device or Track Information is not Displayed on In-vehicle Device
PROCEDURE 1. CHECK USING ANOTHER "Bluetooth" AUDIO COMPATIBLE VEHICLE OF SAME MODEL (a) Check if track information is displayed normally on another "Bluetooth" audio compatible vehicle of the same model. OK: Track information is displayed normally. OK PROCEED TO NEXT SUSPECTED AREA
Air conditioning filter
The air conditioning filter must be
changed regularly to maintain air
conditioning efficiency.
Removal method
1. Turn the power switch off.
2. Open the glove box. Slide off the
damper.
3. Push in the glove box on the vehicle's
outer side to disconnect the
claws. Then pull out the glove
© 2016-2025 Copyright www.lexunx.com
