Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Software Incompatibility with Brake System Control Module Not Programmed (U031851)
DESCRIPTION
If the forward recognition camera cannot verify the vehicle information sent from the skid control ECU (brake actuator assembly), the forward recognition camera stores DTC U031851.
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area | MIL | DTC Output from |
|---|---|---|---|---|---|
| U031851 | Software Incompatibility with Brake System Control Module Not Programmed | The vehicle information sent from the skid control ECU (brake actuator assembly) cannot be verified by the forward recognition camera. | Forward recognition camera | Does not come on | Forward recognition camera |
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.
-
If the forward recognition camera has been replaced with a new one, it is necessary to perform forward recognition camera adjustment.
HINT:
Forward recognition camera adjustment can be performed by using either One Time Recognition or Sequential Recognition.
One Time Recognition: Click here
.gif)
Sequential Recognition: Click here
PROCEDURE
| 1. | REPLACE FORWARD RECOGNITION CAMERA |
(a) Replace the forward recognition camera with a new one.
Click here
|
.gif)
| 2. | CLEAR DTC |
(a) Clear the DTCs.
Powertrain > Radar Cruise2 > Clear DTCs| NEXT | .gif) | END |
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 ECM, the forward recognition camera stores DTC U030057. DTC No. ...
Software Incompatibility with Brake System Control Module Invalid/Incompatible Software Component (U031857)
DESCRIPTION If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the skid control ECU (brake actuator assembly), the forward recognition ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Window Control System: Terminals Of Ecu
TERMINALS OF ECU CHECK MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY (a) Disconnect the N7 multiplex network master switch assembly connector. (b) Measure the voltage and resistance according to the value(s) in the table below. HINT: Measure the values on the wire harness side with the connector disconn ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Mass Air Flow Meter: Components
COMPONENTS ILLUSTRATION *1 AIR CLEANER CAP WITH AIR CLEANER HOSE *2 MASS AIR FLOW METER SUB-ASSEMBLY *3 NO. 1 FUEL VAPOR FEED HOSE *4 NO. 2 VENTILATION HOSE ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
- For your information
- Pictorial index
- For safety and security
- Instrument cluster
- Operation of each component
- Driving
- Lexus Display Audio system
- Interior features
- Maintenance and care
- When trouble arises
- Vehicle specifications
- For owners
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
0.0152