ON-VEHICLE INSPECTION PROCEDURE 1. INSPECT FRONT DOOR PANEL SUB-ASSEMBLY LH (a) Check that the clearance measurements of areas A to J are within the standard range. ![]() Standard measurement:
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Toyota Tundra Service Manual > Meter / Gauge System: Last Communication With Navigation ECU (U0163)
DESCRIPTION The combination meter assembly communicates with the navigation receiver assembly via the CAN line. DTC Code DTC Detection Condition Trouble Area U0163 When either of following conditions is detected: IG voltage 10.5 V or more No communication with navigation receiver assembly continues ...