Lexus NX: Lost Communication with Multi-axis Acceleration Sensor Module Missing Message (U012587,U012687,U012987,U015587,U029387,U110687)
DESCRIPTION
The forward recognition camera communicates with each sensor and ECU via CAN communication.
If any malfunction is detected in a CAN communication circuit, one or more CAN communication system DTCs are stored.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | DTC Output from |
|---|---|---|---|---|
| U012587 | Lost Communication with Multi-axis Acceleration Sensor Module Missing Message | When the vehicle speed is approximately 1 km/h (1 mph) or more, a communication error between the forward recognition camera and airbag sensor assembly (yaw rate and acceleration sensor) continues for 1 second or more. | CAN communication system | Radar Cruise2 |
| U012687 | Lost Communication with Steering Angle Sensor Module Missing Message | When the power switch is on (IG) for 2 seconds or more, a communication error between the forward recognition camera and steering sensor continues for 5 second or more. | CAN communication system | Radar Cruise2 |
| U012987 | Lost Communication with Brake System Control Module Missing Message | When the power switch is on (IG) for 2 seconds or more, a communication error between the forward recognition camera and skid control ECU (brake booster with master cylinder assembly) continues for 5 seconds or more. | CAN communication system | Radar Cruise2 |
| U015587 | Lost Communication with Instrument Panel Cluster (IPC) Control Module Missing Message | When the power switch is on (IG) for 2 seconds or more, a communication error between the forward recognition camera and combination meter assembly continues for 50 seconds or more. | CAN communication system | Radar Cruise2 |
| U029387 | Lost Communication with Hybrid Powertrain Control Module Missing Message | When the dynamic radar cruise control system is operating, a communication malfunction between the hybrid vehicle control ECU and forward recognition camera is detected for 5 seconds or more. | CAN communication system | Radar Cruise2 |
| U110687 | Lost Communication with Electric Parking Brake Module Missing Message | When the power switch is on (IG) for 2 seconds or more, a communication error between the forward recognition camera and parking brake ECU assembly continues for 5 seconds or more. | CAN communication system | Radar Cruise2 |
PROCEDURE
| 1. | CHECK FOR DTCs (Radar Cruise2) |
(a) Clear the DTCs.
Click here 
(b) Make sure that the DTC detection conditions are met.
HINT:
If the detection conditions are not met, the system cannot detect the malfunction.
(c) Check for DTCs.
Click here
| Result | Proceed to |
|---|---|
| DTC U012587, U012687, U012987, U015587, U029387 and U110687 are not output | A |
| DTC U012587, U012687, U012987, U015587, U029387 or U110687 is output | B |
| A |  | USE SIMULATION METHOD TO CHECK |
| B | | GO TO CAN COMMUNICATION SYSTEM |
READ NEXT:
Lost Communication with Cruise Control Front Distance Range Sensor Single Sensor or Center Missing Message (U023587)
DESCRIPTION The forward recognition camera communicates with the millimeter wave radar sensor assembly via CAN communication. If a communication malfunction between the forward recognition camera and
Internal Control Module Software Incompatibility Not Programmed (U030051)
DESCRIPTION If the forward recognition camera cannot verify the vehicle information sent from the hybrid vehicle control ECU, the forward recognition camera stores DTC U030051. DTC No. Detection
Internal Control Module Software Incompatibility Invalid/Incompatible Software Component (U030057)
DESCRIPTION If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the hybrid vehicle control ECU, the forward recognition camera stores D
SEE MORE:
EVAP System Tank Vapor Line Restricted/Blocked (P00FE)
DTC SUMMARY DTC No. Detection Item DTC Detection Condition Trouble Area MIL Memory P00FE EVAP System Tank Vapor Line Restricted/Blocked Leak detection pump creates negative pressure (vacuum) in EVAP system and EVAP system pressure is measured. When the fuel level in the fuel tan
System Diagram
SYSTEM DIAGRAM
