Voluntary service campaign: heating, ventilation, and air conditioning (HVAC) blower motor fuse relocation...

Bulletin number

SC307_TSB (SC307)

Component

Electrical system

Summary

TECHNICAL SERVICE BULLETIN: VOLUNTARY SERVICE CAMPAIGN: HEATING, VENTILATION, AND AIR CONDITIONING (HVAC) BLOWER MOTOR FUSE RELOCATION (SC307) - This bulletin provides the procedure to relocate the Heating, Ventilation, and Air Conditioning (HVAC) blower motor 40-ampere fuse on certain 2021-2022MY K5 (DL3a) vehicles produced from February 23, 2021 through May 3, 2021 that were originally sold in one of the 7 high-heat states (AZ, FL, HI, LA, MS, NV, and TX). The HVAC system provides cooling and heating to help maintain a comfortable environment inside the vehicle. The blower motor provides primary airflow for the HVAC system. Extended use of the HVAC at high fan speeds may cause damage to the multi-fuse terminals for the HVAC blower motor circuit, which can cause the blower motor to become inoperative, resulting in reduced heat and air conditioning.

Owners of these vehicles have filed 71 complaints in the electrical category.