DESCRIPTION
This DTC is stored when an internal circuit malfunction is detected by the DCM (telematics transceiver) self check.
DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
---|---|---|---|
B15A804 | DCM System Internal Failure | DCM (telematics transceiver) internal malfunction | DCM (telematics transceiver) |
CAUTION / NOTICE / HINT
NOTICE:
Click here
PROCEDURE
1. | REPLACE DCM (TELEMATICS TRANSCEIVER) |
(a) Replace the DCM (telematics transceiver) with a new one.
Click here
NOTICE:
NEXT | ![]() | PERFORM DCM ACTIVATION |
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Front Brake: Reassembly
REASSEMBLY CAUTION / NOTICE / HINT HINT: Perform the removal and installation of the front disc brake piston, cylinder boot and piston seal one side at a time. PROCEDURE 1. TEMPORARILY TIGHTEN FRONT DISC BRAKE BLEEDER PLUG HINT: Fully tighten the front disc brake bleeder plug after bleeding the syst ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Power Tilt And Power Telescopic Steering Column System: IG Power Source Circuit
DESCRIPTION When the engine switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. The multiplex tilt and telescopic ECU also receives engine switch signals via this circuit. WIRING DIAGRAM CAUTION / NOTICE / HINT HINT: Inspect ...