PROCEDURE
(a) Check the portable player settings. (1) Check that the volume is not set to "0". (2) Check that mute is off. (b) Check that the sound of the portable player can be heard from the speakers. OK: Sound of the portable player can be heard from the speakers. HINT: If the portable player volume can be adjusted, adjust the volume.
(a) Check the audio settings. (1) Check that the volume is not set to "0". (b) Check that the sound of the portable player can be heard from the speakers. OK: Sound of the portable player can be heard from the speakers.
(a) Check that the sound of the portable player can be heard from the speakers on another "Bluetooth" audio compatible vehicle of the same model. OK: Sound of the portable player can be heard from the speakers.
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Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Communication Error from VSC to ECM (P1630)
DESCRIPTION The skid control ECU (brake actuator assembly) sends signals such as cruise control cancel signals and brake demand response signals to the ECM when the dynamic radar cruise control system is operating. DTC No. Detection Item DTC Detection Condition Trouble Area P1630 Communication Error ...