2005 Buick Rendezvous Q&A
2005 Buick Rendezvous Question: I'm getting a"SERVICE TRACTION SYSTEM" message. What's up?
HAVE CODES SCANNED IN THAT MODULE AND POST SO WE CAN ADV - globalhelper
I have 2004 same issue I just had a diagnostic done at buick and they said I have a loose connection to ecbm - philsright_01