PROCEDURE
(a) Replace the disc with a known good one and check that the malfunction disappears. OK: Malfunction disappears.
(a) Check that the radio and display receiver assembly is properly installed Result
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Toyota Tundra Service Manual > Blind Spot Monitor System: Vehicle Speed Sensor (C1A45)
DESCRIPTION The blind spot monitor sensor receives vehicle speed signals from the skid control ECU (brake actuator assembly) via CAN communication. DTC Code DTC Detection Condition Trouble Area C1A45 A fail flag is transmitted from the skid control ECU (brake actuator assembly). Vehicle stability co ...