About Trouble Codes

Diagnostic Trouble Code (DTC) Table


NOTE:
- The following table lists all malfunctions, with the corresponding 5 digit code numbers, that can be recognized by Climatronic control module -J255- and printed out by the VAG 1551 Scan Tool (ST).
- If malfunctions do not occur regularly, these are displayed as occurring sporadically ("SP").
- DTC codes appear only on print-out.
- DTC table may also include a description of the type of malfunction.
- When a repair has been carried out, the Diagnostic Trouble Code (DTC) memory must always be erased and checked again with the VAG 1551 Scan Tool (ST).
- If there is a specific complaint and no malfunctions are recognized after checking the Diagnostic Trouble Code (DTC) memory, carry out function 03, "Output Diagnostic Test Mode (DTM)" or function 08, "Read measuring value block".
Output Diagnostic Test Mode (DTM) (Function 03)
Reading
If the display flashes but no DTCs were recognized, carry out function "Coding control module 07" and then function 04, "Basic setting". If necessary, check refrigerant system.