The heating control unit for Volkswagen manages the cabin temperature and is compatible with OEM air conditioning systems. It is used to replace the existing heating system.
- Compatibility: Volkswagen Caddy, Volkswagen Golf, Volkswagen Passat, Volkswagen Tiguan
- Compatibility start year: 2005
- Compatibility codes: 3C0907521F27-0542, 3C0907521D, 3C0907521F, MAX27-0542