Lexus NX: Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Lighting System
| DTC No. | Detection Item | Link |
| B1244 | Light Sensor Circuit Malfunction | |
| B2430 | LED Headlight LH Circuit Malfunction | |
| B2431 | LED Headlight RH Circuit Malfunction | |
| U012587 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | |
| U012987 | Lost Communication with Brake System Control Module Missing Message | |
| U014087 | Lost Communication with Body Control Module Missing Message | |
| U023587 | Lost Communication with Cruise Control Front Distance Range Sensor Missing Message | |
| U029387 | Lost Communication With Hybrid Powertrain Control Module Missing Message | |
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VEHICLE CONTROL HISTORY CHECK THE VEHICLE CONTROL HISTORY (LIGHTING SYSTEM) HINT:
The vehicle control history data (lighting system) stores the history of the reject function and system protection
DESCRIPTION The automatic light control sensor detects ambient light, converts it into an electrical signal and outputs it to the main body ECU (multiplex network body ECU). The main body ECU (multipl
DESCRIPTION The illumination of the low beam headlights is controlled by the main body ECU (multiplex network body ECU). When the headlights are turned on, the main body ECU (multiplex network body EC
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DESCRIPTION If the entry lock function does not operate for the rear door LH only, but the entry unlock function operates, the request code is being transmitted properly from the rear door LH. In this case, there may be a problem related to the lock sensor (connection between the certification ECU (
DATA LIST / ACTIVE TEST READ DATA LIST HINT: Using the Techstream to read the Data List allows the values or states of switches, sensors, actuators and other items to be read without removing any parts. This non-intrusive inspection can be very useful because intermittent conditions or signals may b
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