Read and follow the introductory information and
safety information first⇒
Introduction
to the subject
The light bulbs for the backup lights are Lifetime bulbs with a very long service life. If the bulb is defective, you cannot change it yourself because other vehicle components must be removed. Defective backup light bulbs should be changed by an authorized Volkswagen dealer or authorized Volkswagen Service facility.
Volkswagen Tiguan Service and Repair Manual > Refrigerant Circuit General Information: Electrical Components Not on Refrigerant Circuit
A/C Programmer -J127-
This programmer switches the refrigerant flow direction through the second
evaporator if the temperature on the cooling fins on the second evaporator
lowers to the freezing point for water (icing protection).
Coolant Fan Control Module -J293-
Note
There are different constru ...