Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Red Indicator Remains On
DESCRIPTION
This means that the DCM (telematics transceiver) has detected a malfunction in the safety connect system and stored a DTC or specific vehicle control history (RoB) Code.
PROCEDURE
| 1. | CHECK DTC |
(a) Turn the engine switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the engine switch on (IG) and wait for 10 seconds or more.
(d) Turn the Techstream on.
(e) Clear the DTCs.
Body Electrical > Telematics > Clear DTCs(f) Check for DTCs and check that no DTCs are output.
Body Electrical > Telematics > Trouble CodesOK:
No DTCs are output.
| NG | .gif) | GO TO DIAGNOSTIC TROUBLE CODE CHART |
|
.gif)
| 2. | CHECK VEHICLE OPERATION HISTORY |
(a) Check for vehicle control history and note any codes that are output.
Click here .gif)
| Result | Proceed to |
|---|---|
| No vehicle control history is output | A |
| Any vehicle control history is output | B |
| B | | GO TO VEHICLE CONTROL HISTORY |
|
| 3. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
Click here
NOTICE:
- The engine switch must be off.
- Do not exchange the DCM (telematics transceiver) with one from another vehicle.
| NEXT | | PERFORM DCM ACTIVATION |
Green Indicator Remains Off
DESCRIPTION After engine switch on (IG), the DCM (telematics transceiver) will enter into self check mode. The manual (SOS) switch red indicator will illuminate for 2 seconds and turn off followed by ...
Unable To Connect To Call Center
DESCRIPTION This may occur when the intensity of telephone radio frequency was very weak, or the safety connect system has a malfunction and a DTC is set. PROCEDURE 1. CHECK COMMUNICATION SERVIC ...
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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
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