Inspection INSPECTION PROCEDURE 1. INSPECT FUEL TANK CAP ASSEMBLY (a) Visually check if the cap and/or gasket are deformed or damaged.  Text in Illustration
If the result is not as specified, replace the fuel tank cap assembly or gasket.  NOTICE: Confirm that ID mark S is printed on the replacement fuel tank cap. Text in Illustration
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Toyota Tundra Service Manual > Lighting System: Lost Communication With Image Processing Module "A" (U023A)
DESCRIPTION These DTCs are stored when the CAN communication system is malfunctioning. DTC No. Detection Item DTC Detection Condition Trouble Area U023A Lost Communication With Image Processing Module "A" The main body ECU (multiplex network body ECU) does not receive data from the forward ...
