One problem related to ignition module has been reported for the 2005 Buick Rendezvous. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2005 Buick Rendezvous based on all problems reported for the 2005 Rendezvous.
The contact stated vehicle stalled while driving. The only warning was the battery light. When the vehicle stalled there was no steering or brakes. The vehicle was taken to the dealership, and they have placed a recorder on the vehicle three times. From the information obtained from the recorder they have replaced the ignition relay, ignition switch, the air control module valve, and reprogrammed the computer. None of these repairs have corrected the stalling problem.