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Old 03-06-2019, 11:01 AM
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Red Lighning Bolt/ Limp Mode!

I have a 2007 Wrangler X 3.8l V6. It went into limp mode a few days ago, and I finally got it back home at 20 mph. I get code P2112 throttle stuck closed. So I put on a new throttle body thinking that would solve my problem. But I am still stuck in limp mode, still have the same code. I checked the connector at the throttle body and it seems tight. I left the battery disconnected over night, and this morning nothing had changed. Is there something I have to do to get out of limp mode? Thanks!

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Old 03-06-2019, 08:08 PM   #2
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Old 03-08-2019, 07:51 PM
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I just changed out the accelerator pedal and I'm still stuck in limp mode. Does anyone have any suggestions? I checked all the connections I could find, all the fuses look good.... I'm really stumped. Thanks!
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Old 03-08-2019, 07:52 PM
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Old 03-09-2019, 12:23 AM   #5
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How much money have you thrown at that Check Engine Light thus far? I would always recommend taking it to a dealer for DTCs unless you have the ability to troubleshoot. Throwing parts at it is never wise. You will pay the dealer about $115. They tell you what is wrong with it. Then you can use the $115 towards the repair, or just take the Jeep home and repair it yourself. But, at least you have certainty.

P2101, P2110, P2112 Jeep ? Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To

Take it to a dealer. Sometimes you need a scan tool to complete a repair.
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Old 04-07-2019, 11:29 AM
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How much money have you thrown at that Check Engine Light thus far? I would always recommend taking it to a dealer for DTCs unless you have the ability to troubleshoot. Throwing parts at it is never wise. You will pay the dealer about $115. They tell you what is wrong with it. Then you can use the $115 towards the repair, or just take the Jeep home and repair it yourself. But, at least you have certainty.

P2101, P2110, P2112 Jeep ? Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice | Automotive Repair Tips and How-To

Take it to a dealer. Sometimes you need a scan tool to complete a repair.
Well, I took your advice. Spent $1200 on a new harness and CPU at the dealer and now it only goes into limp mode once or twice a day. It's been back there about 4 times so far. Still not fixed. That's why I come to forums, dealers just throw parts too... the only difference is they cost 10x as much as me buying them at the parts store.
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Old 04-07-2019, 01:40 PM   #7
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You're right. Dealers have part changers, too.

If you're the customer, you need to ask the service advisor **why*** something needs to be replaced. If they can't provide you a legitimate explanation, don't pay for it. In this case, "CPU and harness" is just another way of saying, "We don't know, so we're making you pay for all these parts in hope that the problem will be gone. Then, we'll look like we knew what the problem was."



It's the "everything but the kitchen sink" repair method. Unfortunately, most customers don't have enough mechanical or technical knowledge about vehicles to know when a dealership is bullshitting them.
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Old 04-07-2019, 03:23 PM   #8
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isn't there a throttle body sensor on the 3.8? maybe check if the wire harness clip to it is damaged/corroded. maybe put some dielectric grease on the sensor clip.

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