Electronic Throttle Control (ETC) - Jeep Patriot Forums
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post #1 of 3 (permalink) Old 12-04-2008, 01:32 AM Thread Starter
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Electronic Throttle Control (ETC)

There have been a few posts about this, but my problem sounds a little different so I thought I would share. The other day I was parked on a slight incline (don't know if thatís relevant) and went to start my Patriot after finishing lunch at a restaurant. The Patriot would crank but not start. The electronic throttle control light came on (the lightening bolt with parentheses). Finally after about five attempts the Patriot started and the light went off. I haven't had a problem since. I was getting an oil change any way, so I had the dealer look into it. They said they couldn't find anything wrong and there was no codes stored. It turned out there was a service bulletin out an electronic throttle control issue. My understanding of a service bulletin is itís a recommendation for mechanics of where to start if they encounter a related problem. They did a software update to the PCM. Don't know if it is related to the problem or not. If anyone else has ETC problems the service bulletin might be a good place to start. If I have any other problems I will update this thread.
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post #2 of 3 (permalink) Old 04-12-2009, 12:53 AM Thread Starter
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Still hasn't happened again....
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post #3 of 3 (permalink) Old 04-12-2009, 01:01 AM
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I had the lightening bolt signal happen two times. Once on a long steep downgrade, Loveland Pass, and the other time on I-70, downhill but not a steep section. Next oil change I mentioned what happened.

They said they did the reflash. A few days later on Loveland Pass at the same place it did it again. But it hasn't done it since.

Did the yellow symbol that looks like a engine also come on at the same time? It usually seems to take about three start stop cycles, turning the ignition off and restarting, to get the engine light to go off.

2008 FD-II
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