Lexus NX: Lost Communication with Brake System Control Module (U0129,U0142,U0293)
Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Asc System / Lost Communication with Brake System Control Module (U0129,U0142,U0293)
DESCRIPTION
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| U0129 | Lost Communication with Brake System Control Module | No communication with brake booster with master cylinder assembly (skid control ECU) |
|
| U0142 | Lost Communication with Body Control Module "B" | No communication with main body ECU (multiplex network body ECU) |
|
| U0293 | Lost Communication With Hybrid Powertrain Control Module | No communication with hybrid vehicle control ECU |
|
PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
Click here .gif)
(b) Recheck for DTCs and check that no DTCs are output.
Click here
OK:
U0129, U0142 and U0293 are not output.
| OK | .gif) | USE SIMULATION METHOD TO CHECK |
| NG | | GO TO CAN COMMUNICATION SYSTEM |
READ NEXT:
Main Switch Circuit
DESCRIPTION The stereo component equalizer assembly detects vehicle sound switch signals. The ASC system can be turned on and off by operating the vehicle sound switch. WIRING DIAGRAM CAUTION / NOTIC
Power Source Circuit
DESCRIPTION This circuit is the power source circuit for the stereo component equalizer assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system
SEE MORE:
Components
COMPONENTS ILLUSTRATION *1 KICK DOOR CONTROL BRACKET *2 KICK DOOR CONTROL SENSOR
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE: When replacing the combination meter assembly, always replace it with a new one. If a combination meter assembly which was installed to another vehicle is used, the information stored in it will not match the information from the vehicle and a DTC may be stored. HINT:
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