PROBLEM SYMPTOMS TABLE HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary. Key reminder warning system
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Toyota Tundra Service Manual > Can Communication System: 4WD Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area 4WD Control ECU Communication Stop Mode Any of the following conditions are met: Communication stop for "Four Wheel Drive Control" is indicated on the "Communication Bus Check" screen of the Techstream. Communication system DTCs (DTCs that start with U ...
