Too Cold in Vehicle - Auxiliary (VIN 6)
Too Cold in Vehicle - Auxiliary (VIN 6)Step 1 - 4:
Step 5 - 9:
Step 10 - 15:
Step 16 - 18:
Test Description
The number below refers to the step number in the diagnostic table.
16. The primary HVAC control module controls the coolant bypass valve. It receives a Class 2 message from the auxiliary HVAC control module for the proper position of valve.