REMOVAL PROCEDURE 1. REMOVE INSTRUMENT SIDE PANEL LH   2. REMOVE FRONT DOOR SCUFF PLATE LH (a) for Double Cab: (See page  (b) for CrewMax: (See page 
 3. REMOVE COWL SIDE TRIM BOARD LH   4. REMOVE LOWER INSTRUMENT PANEL FINISH PANEL SUB-ASSEMBLY LH   5. REMOVE NO. 2 SWITCH HOLE BASE   6. REMOVE VSC OFF SWITCH (a) Disconnect the VSC OFF switch connector. 
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Toyota Tundra Service Manual > Pre-collision System: Vehicle Information Not Obtained (C1A02)
   DESCRIPTION When a new millimeter wave radar sensor assembly is installed, it receives vehicle specification information from the main body ECU (multiplex network body ECU) and stores the information. DTC C1A02 is stored when the millimeter wave radar sensor assembly receives the vehicle specificati ...