![]() ![]() First thing I will do is test the battery electronically with my midtronics tester and then load test it. What I do next if there are no other codes that I think relate to the no start, the key code voltage is correct, no other security data pid problems, and after clearing the code it does not reset and the vehicle starts. I will check the key code voltage and see if it matches what it wants to see. I will see if there are any other codes in any of the other modules. When I get the code B2960, I will look through the security data pids for any problem. The information I give from here is from what I have seen and is my opinion for some of the problems that cause this code. I also get a U1000 code a lot with this code which may be related, may not be. So you then go and scan the vehicle and you get the code B2960 (key code incorrect but valid). Well we know many things will do this like the fuel pump, ignition components, starter, etc. I am sure many of you have had a GM towed in as a no start and when you go out to try to start it, it fires right up. Report all your findings to a reputable independent mechanic. If the light flashes, spark is going through the spark plug wire. There are inductive test lights which you place on the spark plug wire. You can use a spark plug, or a spark tester you can get from an auto parts store. ![]() If it starts, that indicates that the problem is fuel delivery into the engine. If clearing a possible flooded condition didn’t help, try something for a lack of fuel: use a spray can of Starting Fluid (available at auto parts stores), pull a small hose from the large, black, engine intake tube, spray a two second burst of the Starting Fluid into the large intake tube, reconnect the smaller hose. This action will clear an engine if it is flooded. AS the engine starts (maybe), ease up on the gas pedal. When the engine doesn’t start, hold the gas pedal to the floor as you crank the engine. This is most like a problem with too little, or missing, spark or, too little, or too much fuel being injected into the engine. Has anyone had this same problem? Any good ideas what it could be? The problem is that by the time a tow truck could get there, get loaded, and to the dealership, it would start. The dealership wants me to have it towed in. Then I just have to sit blocking a pump or get help to push it out of the way. ![]() They cannot get it to “not start” and say they can do nothing unless it ‘does its thing’ for them. They kept it for 2 weeks straight one time it has gone in other times. It has been taken to the dealership where it was purchased. This would happen only occassionally, generally during 80 degree + weather, and only when the vehicle was turned off for a brief period of time (2-10 min.) When this happens, it will start again in 15 - 20 min. In 2006, at around 60,000 mi., it began having times when it would not start. I have a 2002 Chevy Venture mini-van, bought new, with just over 85,000 mi. ![]()
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