Question about Jeep Wrangler

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I have a 2004 jeep wrangler and i am reading the codes p0122 p0123 and p0432 can anyone let me know what these dtc's mean and if possible how to fix what it broken

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P0122 - Throttle Position (TP) Sensor Circuit Low Voltage
P0123 - Throttle Position (TP) Sensor Circuit High Voltage
without checking it 1st I would guess the TPS is most likely defective.
P0432 - Catalyst System Low Efficiency Bank 2, you may have to replace the Catalytic convertor, it may be worn out,
A WORD OF CAUTION: Don't use aftermarket cats, they tend to reset the same code due to compatibility issues, also replace the cat monitor sensor (looks like an O2 sensor) located just to the rear of the bank 2 cat converter.

Posted on Dec 04, 2008

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I have had to replace 3 throttle pos sensors on my 04 Rubicon.

Posted on Dec 09, 2014

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Thanks for the help !! Dose anyone know what code dOnE mean on a Jeep Wrangler ?


only reference os far is the wrangle has finished reading fault codes

join this free jeep wrangler forum

lots of good help and information there

Jeep Wrangler Forum Jeep Wrangler Owners Community

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What does code p0123 mean


7 posts now, and most are redundant.
i answered both DTC, read the posts. and not repost it.

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Please can you give me the code of TPS of Chevrolet Epica 2004


There are 3 DTC codes related to the TPS....

1. P0121 - Throttle Position (TP) Sensor Performance

2. P0122 - Throttle Position (TP) Sensor Circuit Low Voltage

3. P0123 - Throttle Position (TP) Sensor Circuit High Voltage

If there is any further assistance, please let us know

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Throttle/Pedal Position Sensor A Circuit Low Input

This usually means the sensor is unplugged or you have an open circuit. Check the wires to make sure there are no breaks in them.

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Hi my nmae is Curt, I am an ase master tech in GM dealers since 1994. Got a friend with 2003 jeep liberty stalls, won't go over 45 intermittent with codes p0123, p01391, and p0320. Any help on where to...


Not trying to be shrude here but for an ASE certified master mechanic for GM, why don't you just use the codes with the ODBII Scan tool and fix the issue. You have the codes so run with it!

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Need to know whatDTC's P0420 and P0432 mean for my 2002/3 Jeep Grand Cherokee Laredo 4.7 ltr V8 Thanks Colin


420 is catalist below threshold bank one.
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1998 Jeep Wrangler Sport codes P0121 and P0122


did you check voltage to sensors if you need help with proedure, contact me, or you may try patrs houses on line in how to section.

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Codes


your jeep showed the done message because as im sure you were turning the key on and off to try to start the car this also the method of doing the self check of the diagnostic trouble codes(DTC) and it prompts done when it is finished displaying the DTC's

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