Too Hot In Vehicle - Auxiliary (VIN 6)

TOO HOT IN VEHICLE - AUXILIARY (VIN 6)

TEST DESCRIPTION

Step 1 - Step 10:

Step 11 - Step 21:

The numbers below refers to the step number in the diagnostic table.
7. To request air conditioning (A/C) operation the primary HVAC controls must be set to enable the A/C compressor.
11. If the test light remains illuminated the answer is No.
19. 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.