DTC Code | DTC Name |
---|---|
U1331 | Software Incompatibility with Body Control Module "B" |
DESCRIPTION
This DTC is stored when the destination information of the main body ECU (multiplex network body ECU) does not match that of the blind spot monitor sensors.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
U1331 | Software Incompatibility with Body Control Module "B" | Destination information of the main body ECU and blind spot monitor sensor do not match |
|
CAUTION / NOTICE / HINT
Note
When checking for DTCs, make sure that the blind spot monitor main switch (warning canceling switch assembly) is on.
Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.
PROCEDURE
CONFIRM PART NUMBER (MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU))
Check the main body ECU (multiplex network body ECU) part number.
Check if the part number of the main body ECU (multiplex network body ECU) installed to the vehicle is correct.
OK |
---|
The part number is correct. |
Result | |||
---|---|---|---|
|
NG |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) Click here |
OK |
CHECK DTC
Clear the DTCs.
Recheck for DTCs and check if the same DTC is output again.
Result | ||||||||
---|---|---|---|---|---|---|---|---|
|
A |
USE SIMULATION METHOD TO CHECK Click here |
B |
REPLACE BLIND SPOT MONITOR SENSOR LH Click here |
C |
REPLACE BLIND SPOT MONITOR SENSOR RH Click here |