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 |
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SEE MORE:
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the blind spot monitor main switch (combination switch assembly) on. (d) Turn the Techstream on. (e) Enter the following menus: Body Electrical / Blind Spot Monitor Master or Blind Spot Mo
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DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not. HINT: Using the GTS to read the Data List allows the values or states of switch
