Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: HD Radio Tuner Malfunction (B1551,B15A0,B15B3-B15B5,B15B7,B15BA,B15F9)
DESCRIPTION
These DTCs are stored when a malfunction occurs in the radio receiver assembly
| DTC No. | Detection Item | DTC Detection Condition | Trouble Area |
|---|---|---|---|
| B1551 | HD Radio Tuner Malfunction | When any of the following conditions is met:
| Radio receiver assembly |
| B15A0 | LAN Master Malfunction | When either of the following conditions is met:
| Radio receiver assembly |
| B15B3 | Radio Tuner Malfunction | When either of the following conditions is met:
| Radio receiver assembly |
| B15B4 | CD Changer Malfunction | When any of the following conditions is met:
| Radio receiver assembly |
| B15B5 | DVD Changer Malfunction | When any of the following conditions is met:
| Radio receiver assembly |
| B15B7 | Bluetooth Module Malfunction | "Bluetooth" module malfunction | Radio receiver assembly |
| B15BA | XM Tuner Malfunction | When either of the following conditions is met:
| Radio receiver assembly |
| B15F9 | UART Communication Malfunction(for A/C) | When either of the following conditions is met:
| Radio receiver assembly |
CAUTION / NOTICE / HINT
NOTICE:
Depending on the parts that are replaced during vehicle inspection or maintenance, performing initialization, registration or calibration may be needed. Refer to Precaution for Navigation System.
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PROCEDURE
| 1. | CHECK DTC |
(a) Clear the DTCs.
Body Electrical > Navigation System > Clear DTCs(b) Recheck for DTCs and check that no DTCs are output.
Body Electrical > Navigation System > Trouble CodesOK:
No DTCs are output.
| OK |  | USE SIMULATION METHOD TO CHECK |
| NG | | REPLACE RADIO RECEIVER ASSEMBLY |
Extension Module Disconnected 2 (B1543)
DESCRIPTION If the radio receiver assembly cannot detect the navigation ECU for a certain period of time (90 seconds) after the engine switch is turned on (ACC) and the radio receiver assembly confirm ...
Extension Module Malfunction 2 (B1556)
DESCRIPTION This DTC is stored when a malfunction occurs in the Navigation ECU. DTC No. Detection Item DTC Detection Condition Trouble Area B1556 Extension Module Malfunction 2 When a ...
Other materials:
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Vehicle Stability Control System: Right Front Wheel Speed Sensor Signal Stuck Low (C050623)
DESCRIPTION Refer to DTC C05061F. Click here DTC No. Detection Item DTC Detection Condition Trouble Area C050623 Right Front Wheel Speed Sensor Signal Stuck Low Any of the following is detected:
When the +BS terminal voltage is 17.4 V or less at a vehicle speed of 10 km/h (6 mp ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Lighting System (w/o Automatic Headlight Beam Level Control System): LED Headlight LH (B2430,B2431)
DESCRIPTION These DTCs are stored when the low beam headlights do not illuminate, or a communication malfunction is detected between the headlight assembly and main body ECU (multiplex network body ECU). DTC No. Detection Item DTC Detection Condition Trouble Area DTC Output from B2430 ...
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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