Lexus NX: Vehicle Specifications have not been Stored (B2451)
DESCRIPTION
This DTC is output if the vehicle variation information is not written to the headlight ECU sub-assembly LH.
The headlight ECU sub-assembly LH outputs DTC B2451.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2451 | Vehicle Specifications have not been Stored | Vehicle specification information not written | Headlight ECU sub-assembly LH |
CAUTION / NOTICE / HINT
NOTICE:
After the headlight ECU sub-assembly LH is replaced, vehicle information registration and initialization are necessary.
Click here .gif)
PROCEDURE
| 1. | VEHICLE INFORMATION HEADLIGHT ECU SUB-ASSEMBLY LH |
(a) Register vehicle information for the headlight ECU sub-assembly LH.
Click here
|
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| 2. | CHECK FOR DTC |
(a) Clear the DTCs.
Click here
(b) Turn the power switch on (IG).
(c) Check for DTCs.
Click here
OK:
DTC B2451 output does not occur.
| OK | .gif) | END (NORMAL AFTER VEHICLE INFORMATION REGISTERED) |
| NG | | REPLACE HEADLIGHT ECU SUB-ASSEMBLY LH |
READ NEXT:
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
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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
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SEE MORE:
Removal
REMOVAL PROCEDURE 1. REMOVE BACK DOOR CENTER GARNISH Click here 2. REMOVE BACK DOOR SIDE GARNISH LH Click here 3. REMOVE BACK DOOR SIDE GARNISH RH Click here 4. REMOVE BACK DOOR TRIM BASE (w/ Power Back Door) Click here 5. REMOVE PULL HANDLE (w/ Power Back Door) Click here 6. REMOVE B
Check Bus 5 Lines for Short Circuit
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*1: w/ Pre-collision System
*2: w/ Intuitiv
