DESCRIPTION These DTCs are stored when the CAN communication system is malfunctioning.
PROCEDURE
(a) Clear the DTCs. Click here (b) Check for DTCs. Click here OK: DTC U023A is not output.
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Toyota Tundra Service Manual > Occupant Classification System: Diagnosis System
DIAGNOSIS SYSTEM 1. SYMPTOM SIMULATION HINT: The most difficult case in troubleshooting is when no problem symptoms occur. In such a case, a thorough problem analysis must be carried out. A simulation of the same or similar conditions and environment in which the problem occurred in the customer' ...