Too Cold in Vehicle - Auxiliary (VIN 6)

Too Cold in Vehicle - Auxiliary (VIN 6)

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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.