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DTC B1273 SLIDING ROOF ECU COMMUNICATION STOP DESCRIPTION This DTC is output when the LIN communication between the sliding roof drive gear and main body ECU stops DTC B1273 SLIDING ROOF ECU COMMUNICATION STOP DETECTION CONDITION CHART Fig. 9: Sliding Roof ECU Communication - Wiring Diagram WIRING DIAGRAM INSPECTION PROCEDURE Connect the Techstream to the vehicle, and turn a courtesy switch on and off at 1.5 second intervals until DTC Code DTC Detection Condition Trouble Area B1273 No communication between sliding roof drive gear and main Sliding roof drive gear Main body ECU Harness or connector NOTE: When using the Techstream with the ignition switch OFF to troubleshoot:
2009 Toyota Tundra 2009 ACCESSORIES AND EQUIPMENT Multiplex Communication - Tundra
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