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Discussion Starter · #1 ·
I was going down the highway today cruising around 55-60 and the truck randomly went into reduced power and I finally had to pull over and I turned it off and let it sit for a few minutes, then I turned it back on and it was fine, but it threw code P2135. Which is a throttle position sensor, I read a few post talking about replacing the throttle body and the actual pedal sensor, but I just wanted to ask on here if anyone has any advise or has been through this. The truck is a 2011 sierra. Could cleaning the throttle body help any?
 

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Discussion Starter · #2 ·
well since no one replied to this, I figured I would update it. I did some calling around, and there's a recall on a bunch of 2008-2011 GM trucks/SUVs with this code and issue. It's a throttle position sensor and I was able to drop it off at the dealer and they fixed it for free in a half day. Just figured I would let people know incase anyone else runs into this issue.
 
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