DESCRIPTION This DTC is stored when a malfunction occurs in a connected device.
PROCEDURE
(a) Disconnect the USB device or "iPod" from the No. 1 stereo jack adapter assembly. (b) Turn the ignition switch off. HINT: When this DTC has been stored, it is necessary to turn off the ignition switch to make it possible for the vehicle to recognize a new device when it is connected. (c) Turn the ignition switch to ACC. (d) Connect a known good USB device or "iPod" to the No. 1 stereo jack adapter assembly. HINT:
(a) Clear the DTCs (See page
(b) Check for DTCs (See page
OK: No DTCs are output. Result
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Toyota Tundra Service Manual > Dynamic Radar Cruise Control System: Radar Cruise Control Presence Determination Malfunction (Engine / HV) (C1A52)
DESCRIPTION DTC C1A52 is stored when the ECM cannot recognize the millimeter wave radar sensor assembly. DTC No. Detection Item DTC Detection Condition Trouble Area C1A52 Radar Cruise Control Presence Determination Malfunction (Engine / HV) Approximately 17 seconds after the ignition switch is turne ...