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| Error code p2120 & p2125 fixes? http://www.lostjeeps.com/forum/phpBB3/viewtopic.php?f=5&t=57333 |
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| Author: | CIMARRON13 [ Sun Dec 05, 2010 7:35 pm ] |
| Post subject: | Error code p2120 & p2125 fixes? |
The trottle light (red lighting bolt) comes on randomly. Sometimes once everyday or once a month. Pulled error codes P2120 & P2125. Had the sensors replaced already about three months ago. Obviously that was not the problem. Never dealt with electrical issues myself but I am getting to point that I may give it a shot tracing this problem. Anyone have any ideas on where to start? Going to get battery checked first. P2120-ACC PEDAL POSITION SENSOR 1 CIRCUIT VOLTAGE TOO HIGH . P2120-ACC PEDAL POSITION SENSOR 1 CIRCUIT VOLTAGE TOO LOW. P2120-ACC PEDAL POSITION SENSOR 1 CKT PLAUSIBILITY . P2125-ACC PEDAL POSITION SENSOR 2 CKT PLAUSIBILITY . P2125-ACC PEDAL POSITION SENSOR 2 SIGNAL VOLTAGE TOO HIGH. P2125-ACC PEDAL POSITION SENSOR 2 SIGNAL VOLTAGE TOO LOW. |
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| Author: | CIMARRON13 [ Tue Dec 07, 2010 3:56 am ] |
| Post subject: | Re: Error code p2120 & p2125 fixes? |
Checked battery and it seems good. Started checking wiring harness for exposed wires along with reading service manual. I assume I'm one of the few with this problem since I haven't got a reply on the post. Will keep updated on findings incase someone has the same issue in the future. |
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| Author: | click23 [ Tue Dec 07, 2010 9:18 am ] |
| Post subject: | Re: Error code p2120 & p2125 fixes? |
Check the wiring harness that runs along the back of the engine. Some are loose and it frays the wires giving all sort of faulty codes. |
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| Author: | Joe Romas [ Tue Dec 07, 2010 12:35 pm ] |
| Post subject: | Re: Error code p2120 & p2125 fixes? |
click23 wrote: Check the wiring harness that runs along the back of the engine. Some are loose and it frays the wires giving all sort of faulty codes. That applies mostly to the 06 model year  They raised the filter head for to clear ESP/ABS and the cable hits a sharp instead of a rounded edge on the fiilter head's bracket 
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| Author: | CIMARRON13 [ Tue Dec 07, 2010 12:46 pm ] |
| Post subject: | Re: Error code p2120 & p2125 fixes? |
click23 wrote: Check the wiring harness that runs along the back of the engine. Some are loose and it frays the wires giving all sort of faulty codes. Will do. Thinking back the light comes on 90% of the time when I make a right turn so maybe it is loose wires rubbing somewhere. What I really hate is the plastic protector that the harness is in. I checked the harness on top of engine and the stupid plastic broke in four pieces when I pried it open. I guess Texas heat makes everything brittle. |
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| Author: | jrsavoie [ Fri Aug 22, 2014 6:27 pm ] |
| Post subject: | Re: Error code p2120 & p2125 fixes? |
So what did you find that fixed your problem? |
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| Author: | CIMARRON13 [ Fri Aug 22, 2014 7:10 pm ] |
| Post subject: | Re: Error code p2120 & p2125 fixes? |
Never found the real issue. I zip tied the harness to make it more secure. Haven't had an issue in years now. |
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