Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2022 Lexus NX 450h+ BaseFACTORY OEM SERVICE PROCEDURE
Power Mirror Control System
POWER MIRROR CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [11/2021 - 03/2023]
| DTC Code | Description |
|---|---|
| U0142 | Lost Communication with Main Body ECU |
POWER MIRROR CONTROL SYSTEM DIAGNOSTIC TROUBLE CODE (DTC) IDENTIFICATION [03/2023 - ]
| DTC Code | Description |
|---|---|
| B2370-87 | Right Door Mirror Driving Force Circuit Missing Message |
| B2371-19 | Right Door Mirror Fold Actuator Circuit Current Above Threshold |
| B2372-49 | Right Door Mirror Fold Current Detection Circuit Internal Electronic Failure |
| B2373-19 | Right Door Mirror Actuator Circuit Current Above Threshold |
| B2374-19 | Right Door Mirror Heater Circuit Current Above Threshold |
| B2376-16 | Right Door Mirror Sensor Circuit Voltage Below Threshold |
| B2378-87 | Left Door Mirror Driving Force Circuit Missing Message |
| B2379-19 | Left Door Mirror Fold Actuator Circuit Current Above Threshold |
| B237A-49 | Left Door Mirror Fold Current Detection Circuit Internal Electronic Failure |
| B237B-19 | Left Door Mirror Actuator Circuit Current Above Threshold |
| B237C-19 | Left Door Mirror Heater Circuit Current Above Threshold |
| B237E-16 | Left Door Mirror Sensor Circuit Voltage Below Threshold |
| U0100-87 | Lost Communication With ECM/PCM "A" Missing Message |
| U0140-87 | Lost Communication with Body Control Module Missing Message |
| U0155-87 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message |
| U0164-87 | Lost Communication with HVAC Control Module Missing Message |
| U114F-87 | Lost Communication with Power Integration Module Missing Message |
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
