DTC P1E74 Chevrolet
Seat Heater Control Unit Lost Communication With Climate Control unit
Seat Heater Control Unit Lost Communication With Climate Control unit
Description
The seat heater control unit does not turn on the seat heater until the seat core temperature is 85 degrees or less. Make sure the seat core temperature is below 85 degrees before troubleshooting.
Cause and Solution
Fuse Open or high resistance in wire(s) between seat heater control unit and climate control unit Open or poor connection in the B-CAN wire(s) between the seat heater control unit and the climate control unit Faulty climate control unit
Video Guide
Diagnostic Info
- DTC Code: P1E74
- Brand: Chevrolet