Colorado, TrailBlazer, Canyon and Envoy models equipped with AM/FM stereo and CD/MP3 player (RPO US only - Refer to GM VIS to see if Customer Satisfaction bulletin 08134 applies. Refer to Checking Aftermarket Accessories in SI. If the vehicle is so equipped, disconnect the system to verify that these add-on accessories are not the cause of the condition.ģ. Note Always check for aftermarket accessories (non-OEM) as the first step in diagnosing electrical conditions. If the battery passes the test, proceed to step 3. Note Depending on the magnitude of the parasitic draw, a no start condition could occur on a vehicle with a fully charged battery after it has been parked for a period of less than 48 hours.Ģ. The next ignition cycle may cause the module to reset.Ĭorrection 1. The draw remains present after the ignition key is cycled to the OFF position. ![]() ![]() This concern may be due to a parasitic draw from one of the electronic modules, which does not enter low power mode (does not go to "sleep"). Some customers may comment that the vehicle will not start due to a dead battery. Please discard Corporate Bulletin Number 09-06-03-003A (Section 06 - Engine/Propulsion System). Supercede: This bulletin is being revised to correct the specification in Step 10.2. Subject: Vehicle Will Not Start, Dead Battery (Inspect for Parasitic Draw) Models: 2008 Chevrolet Colorado, TrailBlazer Models 2008 GMC Canyon, Envoy Models 2008 HUMMER H3 without Navigation Radio (RPO UM 2008 Saab 9-7X All Equipped with OnStar(R) (RPO UE1) After nearly a week of flawless operation, discovered my battery dead today, and thought I'd share some of my research:Īpparently, this was a huge issue across most GM lines and actually has a few recall notices: After recently adding OnStar to a 2007 Equinox that did not have it at first, I discovered quite an issue with the VCIM - Battery Drain.įound out that any vehicle with the Continental or Motorola modules were affected (unfortunately, for my first install, I pulled a Continental).This could be what's been keeping me from using my truck for 3 yearsīattery Drain Issue that may affect alot of us especially with OnStar and XM.
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