| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001SH5K |
| Model Year Start: 2021 | Model: Camry | Prod Date Range: [10/2020 - ] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U010087,U010487,U012287; Lost Communication With ECM/PCM "A" Missing Message; 2021 - 2024 MY Camry [10/2020 - ] | ||
|
DTC |
U010087 |
Lost Communication With ECM/PCM "A" Missing Message |
|
DTC |
U010487 |
Lost Communication with Cruise Control Module Missing Message |
|
DTC |
U012287 |
Lost Communication with Vehicle Dynamics Control Module Missing Message |
DESCRIPTION
The ECM 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 |
|---|---|---|---|---|
|
U010087 |
Lost Communication With ECM/PCM "A" Missing Message |
When the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake actuator assembly) and ECM is detected for approximately 1 second or more. |
CAN communication system |
Cruise Control |
|
U010487 |
Lost Communication with Cruise Control Module Missing Message |
When the ignition switch is ON and the dynamic radar cruise control system is operating, a communication malfunction between the forward recognition camera and ECM is detected for approximately 1 second or more. |
CAN communication system |
Cruise Control |
|
U012287 |
Lost Communication with Vehicle Dynamics Control Module Missing Message |
When the ignition switch is ON and the dynamic radar cruise control system is operating, a communication malfunction between the skid control ECU (brake actuator assembly) and ECM is detected for approximately 3 seconds or more. |
CAN communication system |
Cruise Control |
PROCEDURE
|
1. |
CHECK FOR DTCs (Radar Cruise1) |
(a) Clear the DTCs.
Powertrain > Cruise Control > Clear DTCs
(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.
Powertrain > Cruise Control > Trouble Codes
|
Result |
Proceed to |
|---|---|
|
CAN communication system DTC is not output |
A |
|
CAN communication system DTC is output |
B |
| A |
|
USE SIMULATION METHOD TO CHECK
|
![2021 MY Camry [10/2020 - 08/2021]; INTRODUCTION: HOW TO TROUBLESHOOT ECU CONTROLLED SYSTEMS: HOW TO PROCEED WITH TROUBLESHOOTING](/t3Portal/stylegraphics/info.gif)
| B |
|
|
|