Reading and Clearing Diagnostic Trouble Codes
Climatronic - On Board Diagnostics (OBD), From 12.01General Information
OBD program text/data generated by control modules installed on vehicles from 12.01 production may not be recognized by VAG 1551/1552 Scan Tools (ST) with the latest program card. For example: scan tool display shows "text 799", "01529/references" or similar.
Only the VAS 5051/5052 Vehicle Diagnostic Testing and Information System is capable of processing all display text/data on these vehicles.
OBD program functions on vehicles from 12.01 production must be performed using the VAS 5051 Vehicle Diagnostic Testing and Information System in mode "Guided Fault Finding".
On Board Diagnostic (OBD) 12.01>
The Climatronic control module -255- 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.
Components, checking and adjusting with VAS 5051 Tester
- Connect VAS 5051 with adapter cable to Data Link Connector (DLC) and select mode "Guided Fault Finding".
- Enter appropriate model, equipment and model year information and press ">" to confirm.
After all Control Modules have been registered and DTC memories checked,
- Press "Go to"
- Select "Function/Component Selection"
- Select "Body (Repair Gr. 01, 27, 50 to 87")
- Select "Heating, ventilation, air conditioning (Repair Gr. 01, 80 to 87)"
- Select "Systems capable of self-diagnosis"
- Select "Climatronic"
- Review displayed listing, choose and press ">" to confirm.
- Selecting "Function" allows access to "Basic settings", "Code control module", "Check cooling performance", etc.
- Selecting "Electrical Components" provides specific component function tests, etc.