FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the tire pressure warning system, the tire pressure warning light illuminates after blinking for 1 minute to inform the driver of the system failure. (b) As a result of this, tire pressure monitoring is disabled and a DTC is stored in the tire pressure warning ECU and receiver. (c) When there is a system malfunction, the output display according to the tire position turns off. ![]() |
Toyota Tundra Service Manual > Pre-collision System: Lost Communication with Gateway Module (U1002)
DESCRIPTION DTC U1002 is stored when the millimeter wave radar sensor assembly cannot receive signals from the forward recognition camera. DTC No. Detection Item DTC Detection Condition Trouble Area U1002 Lost Communication with Gateway Module After the ignition switch is turned to ON, communication ...