Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.
The cost to diagnose the B1273 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.
This Diagnostic Trouble Code (DTC) is stored when Local Interconnect Network (LIN) communication between the sliding roof drive gear sub-assembly and Main Body ECU (Multiplex Network Body ECU) stops for 10 seconds or more.
Need more information on how to fix the B1273 code? Get Access to Factory Service Manuals
Get the B1273 code diagnosed by a professional: Find a repair shop in your area