| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM100000001RX11 |
| Model Year Start: 2021 | Model: Camry HV | Prod Date Range: [10/2020 - ] |
| Title: CRUISE CONTROL: DYNAMIC RADAR CRUISE CONTROL SYSTEM: U031851; Software Incompatibility with Brake System Control Module Not Programmed; 2021 - 2024 MY Camry HV [10/2020 - ] | ||
|
DTC |
U031851 |
Software Incompatibility with Brake System Control Module Not Programmed |
DESCRIPTION
If the forward recognition camera cannot verify the vehicle information sent from the skid control ECU (brake booster with master cylinder assembly), the forward recognition camera stores DTC U031851.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
DTC Output from |
|---|---|---|---|---|
|
U031851 |
Software Incompatibility with Brake System Control Module Not Programmed |
The vehicle information sent from the skid control ECU (brake booster with master cylinder assembly) cannot be verified by the forward recognition camera. |
Forward recognition camera |
Radar Cruise2 |
CAUTION / NOTICE / HINT
NOTICE:
- When replacing the forward recognition camera, replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle and a DTC may be stored.
-
When the forward recognition camera is replaced with a new one or the windshield glass is replaced or removed/installed, make sure to read Before Starting Adjustment, then perform optical axis alignment for the forward recognition camera and clear the vehicle control history for each system.
HINT:
Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.
One Time Recognition: Click here
![2021 - 2024 MY Camry HV [10/2020 - ]; CRUISE CONTROL: FRONT CAMERA: TARGET ADJUSTMENT(ONE TIME RECOGNITION)](/t3Portal/stylegraphics/info.gif)
Sequential Recognition: Click here
Driving Adjustment: Click here
PROCEDURE
|
1. |
REPLACE FRONT CAMERA SYSTEM |
(a) Replace the forward recognition camera with a new one.
Click here
(b) Perform forward recognition camera adjustment.
HINT:
Forward recognition camera axis alignment can be performed by using either One Time Recognition, Sequential Recognition or Driving Adjustment.
One Time Recognition: Click here
Sequential Recognition: Click here
Driving Adjustment: Click here
|
|
2. |
CLEAR DTC (Radar Cruise2) |
(a) Clear the DTCs.
Powertrain > Radar Cruise2 > Clear DTCs
| NEXT |
|
END (FORWARD RECOGNITION CAMERA WAS DEFECTIVE) |
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