OPERATION CHECK 1. CHECK KEY REMINDER WARNING SYSTEM (a) Check that the key reminder warning buzzer sounds. (1) With the driver side door closed, insert the key into the ignition key cylinder and then turn the key to the LOCK or ACC position. (2) Check that the buzzer sounds intermittently if the driver side door is opened. (b) Check that the key reminder warning buzzer stops. (1) Check that the buzzer stops sounding when any of the following operations is performed while the buzzer is sounding:
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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 ...
