| DTC Code | DTC Name |
|---|---|
| B2456 | Left Headlight ECU Variation Error |
DESCRIPTION
This DTC is output when a headlight light control ECU sub-assembly LH that is incompatible with the vehicle is installed.
The headlight light control ECU sub-assembly LH outputs DTC B2456.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B2456 | Left Headlight ECU Variation Error | Headlight light control ECU sub-assembly LH variation mismatch |
|
PROCEDURE
CLEAR DTC
Clear the DTCs.
| Result | ||
|---|---|---|
|
| NEXT |
|
CHECK FOR DTC
Turn the power switch on (IG).
Turn on the headlights using the headlight dimmer switch.
Check for DTCs.
| Result | |||
|---|---|---|---|
|
| DTC B2456 output does not occur |
|
USE SIMULATION METHOD TO CHECK Click here |
| DTC B2456 output occurs |
|
CHECK HYBRID VEHICLE CONTROL ECU
Check that the hybrid vehicle control ECU part number matches the vehicle.
| Result | ||||||
|---|---|---|---|---|---|---|
|
| A |
|
REPLACE HEADLIGHT LIGHT CONTROL ECU SUB-ASSEMBLY LH Click here |
| B |
|
REPLACE HYBRID VEHICLE CONTROL ECU WITH CORRECT ONE Click here |