Passat V6-2.8L (ATQ) (2004)
Control Module HVAC: Description and Operation
Climatronic, On Board Diagnostic (OBD) - Up To 11.01
On Board Diagnostic (OBD) Through 11.01
The Climatronic control module -J255- is controlled by an internal microprocessor with On Board Diagnostic (OBD) capability. If malfunctions, short or
open circuits occur on monitored components, Diagnostic Trouble Codes (DTC) are stored in memory.