DSD Information System
Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis (Single Page) >> Accessories & Equipment >> Entertainment Systems >> Audio / Video System - Diagnostic Codes (1 Of 2) >> Audio And Visual System >> DTC B1551: HD Radio Tuner Malfunction; DTC B158D: Video Signal Stoppage; DTC B15A0: LAN Master Malfunction; DTC B15B0: Display Screen Malfunction; DTC B15B3: Radio Tuner Malfunction; DTC B15B7: Bluetooth Module Malfunction; DTC B15BA: XM Tuner Malfunction [12/2019 - 10/2022] >> Description

DTC B1551: HD Radio Tuner Malfunction; DTC B158D: Video Signal Stoppage; DTC B15A0: LAN Master Malfunction; DTC B15B0: Display Screen Malfunction; DTC B15B3: Radio Tuner Malfunction; DTC B15B7: Bluetooth Module Malfunction; DTC B15BA: XM Tuner Malfunction [12/2019 - 10/2022]: Description

These DTCs are stored when a malfunction occurs in the radio and display receiver assembly.

DTC No. Detection Item DTC Detection Condition Trouble Area
B1551 HD Radio Tuner Malfunction When any of the following conditions is met:
  • "HD Radio" tuner decoder malfunction
  • "HD Radio" tuner audio output section malfunction
  • "HD Radio" tuner decoder RF/IF malfunction
Radio and display receiver assembly
B158D Video Signal Stoppage The internal video signal of the radio and display receiver assembly is interrupted Radio and display receiver assembly
B15A0 LAN Master Malfunction When either of the following conditions is met:
  • Bus malfunction
  • EEPROM error
Radio and display receiver assembly
B15B0 Display Screen Malfunction Picture circuit (TFT unit) malfunction Radio and display receiver assembly
B15B3 Radio Tuner Malfunction When any of the following conditions is met:
  • AM tuner PLL is unlocked
  • FM tuner PLL is unlocked
  • Tuner malfunction
Radio and display receiver assembly
B15B7 Bluetooth Module Malfunction "Bluetooth" module malfunction Radio and display receiver assembly
B15BA XM Tuner Malfunction When either condition below is met:
  • Internal IC malfunction
  • Tuner malfunction
Radio and display receiver assembly