Lexus NX: Lost Communication with Steering Angle Sensor Module (U0126,U0125,U0129,U0142,U0293)
DESCRIPTION
These DTCs are stored if there is a malfunction in the CAN communication system connected to the blind spot monitor sensor.
HINT:
If CAN communication system DTCs are stored, they may also be stored for other systems.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | Note |
|---|---|---|---|---|
| U0125 | Lost Communication with Yaw Rate Sensor Module | Lost communication with airbag ECU assembly | CAN communication system | - |
| U0126 | Lost Communication with Steering Angle Sensor Module | Lost communication with steering sensor | CAN communication system | - |
| U0129 | Lost Communication with Brake System Control Module | Lost communication with skid control ECU (brake booster with master cylinder assembly) | CAN communication system | - |
| U0142 | Lost Communication with Body Control Module "B" | Lost communication with main body ECU (multiplex network body ECU) | CAN communication system | - |
| U0293 | Lost Communication with EV ECU | Lost communication with hybrid vehicle control ECU | CAN communication system | - |
CAUTION / NOTICE / HINT
NOTICE:
When checking for DTCs, make sure that the blind spot monitor main switch (combination switch assembly) is on.
PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Check for DTCs.
Body Electrical > Blind Spot Monitor Master > Trouble Codes Body Electrical > Blind Spot Monitor Slave > Trouble Codes| Result | Proceed to |
|---|---|
| DTC U0125, U0126, U0129, U0142 and U0293 are not output | A |
| DTC U0125, U0126, U0129, U0142 and/or U0293 is output | B |
HINT:
- If CAN communication system DTCs are stored, they may also be stored for other systems.
- If the CAN communication system has been inspected and repaired, the DTCs will not be output when rechecking for DTCs.
-
If these DTCs are output frequently, duplicate the conditions that cause the problem symptoms and perform the inspection again, even though the DTC was not output when rechecking for DTCs.
Click here
| A | .gif) | USE SIMULATION METHOD TO CHECK |
| B | | GO TO CAN COMMUNICATION SYSTEM |
READ NEXT:
Lost Communication with Blind Spot Monitor Slave Module (U0232)
DESCRIPTION This DTC is stored when the blind spot monitor sensor LH judges that there is a communication error with the blind spot monitor sensor RH. DTC No. Detection Item DTC Detection Condi
Software Incompatibility with Body Control Module "B" (U1331)
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 D
Main Switch Circuit
DESCRIPTION When the blind spot monitor main switch (combination switch assembly) is turned on, a signal is sent to the blind spot monitor sensor LH and the blind spot monitor indicator on the blind s
SEE MORE:
Stop Light Relay Malfunction (C1380)
DESCRIPTION Upon receiving the hill-start assist control, dynamic radar cruise control, brake hold control or trailer sway control operating signal from the skid control ECU (brake booster with master cylinder assembly), the relay contact turns on and the stop lights come on. DTC No. Detection
Seat Heater for Rear Left Seat does not Operate
DESCRIPTION When the refreshing seat switch is operated, the air conditioning amplifier assembly receives the signal via the LIN communication line, and operates the seat heater for the corresponding rear seat. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE:
If the auxiliary battery voltage is l
