Toyota Tundra Service Manual: Route cannot be Calculated

PROCEDURE

1.	SET DESTINATION

(a) Set another destination and check if the system can calculate the route correctly.

OK:

Route can be correctly calculated.

NORMAL OPERATION

PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE

Toyota Tundra Service Manual > Navigation System: Sending Malfunction (Navigation to APGS) (U0073,U0100,U0129,U0140,U0155,U0164)
DESCRIPTION These DTCs are stored when a malfunction occurs in the CAN communication circuit. DTC Code DTC Detection Condition Trouble Area U0073 CAN bus connection error CAN communication system U0100 CAN reception error U0129 CAN reception error U0140 CAN reception error U0155 CAN reception error ...

Toyota Tundra Owners Manual