REASSEMBLY CAUTION / NOTICE / HINT HINT:
PROCEDURE 1. INSTALL TAIL AND STOP LIGHT BULB
(a) Install the tail and stop light bulb to the tail and stop light bulb socket.
2. INSTALL BACK UP LIGHT BULB
(a) Install the back up light bulb to the back up light bulb socket.
3. INSTALL REAR TURN SIGNAL LIGHT BULB
(a) Install the rear turn signal light bulb to the rear turn signal light bulb socket.
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Toyota Tundra Service Manual > Touch Select 2-4 And High-low System: Lost Communication with ECM / PCM "A" (U0100,U0122)
DESCRIPTION This DTC is detected if communication is lost between the ECM and skid control ECU. DTC Code DTC Detection Condition Diagnosis Condition Malfunction Status Malfunction Time Other Trouble Area U0100 Ignition switch ON Communication is lost between ECM and 4 wheel drive control ECU 5 secon ...