Two problems related to ignition module have been reported for the 2008 GMC Acadia. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 GMC Acadia based on all problems reported for the 2008 Acadia.
Electrical system is completely dead. Key cannot be removed from ignition. This happened earlier today for a short time. Electrical did come back on allowing the vehicle to be driven home. When shut off, vehicle's electrical system is totally dead. Shifter cannot be taken out of park. Key cannot be removed. This vehicle has had previous issues with water from sun roof leaking into cabin, possibly contributing. Transmission recently repaired. Internal switch module replaced. Audio amp recently replaced, totally inop.
Tl-the contact owns a 2008 GMC arcadia. The contact stated that the vehicle experienced many electrical issues. The rear doors would not unlock, the lift gate failed to open, the check engine light intermittently illuminated, the battery died with the key stuck in the ignition. When the battery was replaced the key was removed with the engine continued to run. The vehicle was taken to an independent mechanic for a diagnostic testing who stated that the body control module needed to be replaced to repair the vehicle. The manufacturer was notified of the failure. The approximate failure mileage was 80,000. Rg.