AN "AA" VEHICLE REPORT DIAGNOSIC TEST AT ANY "AA" TEST CENTRE WILL GIVE YOU FULL REPORT ON ALL ERRORS AND FAILURES TO ANYTHING ON THAT CAR, THEY CHARGE I THINK R350, AND THOSE CODES YOU CAN LOOK UP IN YOUR OWNER;S MANUAL OR CHECK ONLINE FOR A DESCRIPTION TO THAT FAULT CODE E.G ERROR CODE C39,25,29 COULD BE CHECK AIRCON COMPRESSOR...
I CHIPPED MY E90, AND WHEN THEY DID A DIAGNOSTIC IT CAME UP WITH 7 ERRORS AND ALL 7 ERRORS WERE RELATED TO "RESETTING THE RUNFLAT INDICATOR" AFTER I DID THE RESET, NO FAULT CODES.
HOPE IT HELPS, "AA" HAS ALL THE EQUIPMENT AND SOFTWARE NEEDED FOR MOST CARS, INFACT ALL YOU NEED IS CARSOFT 6.1 OR LAUNCH FOR AN E36...