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Need to know obd code for 96 jeep cherokee it gives me a 12 55 and 56

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12 just means the battery was disconnected within the last 50 start attempts from what I can find there are 2 types of codes for jeeps , system faults and input faults ,, the only 55, 56 I could locate were 55 = Right temperature door travel too small
56 = Right temperature door travel too large I have no idea what that means,, maybe someone whos better at jeeps could help you, sorry

Posted on Aug 03, 2010

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Posted on Jan 02, 2017

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hunterd777
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SOURCE: what weight oil does a 96 jeep cherokee use

dont know for sure how true this is but ive always used 10w30 in them.sometimes it will tell you under the hood on the sticker with the info or your nearest oil change station has the capability to look up what the manufacturer calls for.I think all older chryslers ran 10w30 though

Posted on Apr 23, 2009

  • 60 Answers

SOURCE: code #12 ,#43,and #55 on 97 jeep grand cherokee

get a repair manual

Posted on Nov 04, 2009

rtjohnson55
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SOURCE: P0456 OBD code just appeared on a 2004 Jeep Grand

That code definition is (evaporative system small leak detected). One of the most common reasons for this code is a faulty gas cap. The evap system is strictly designed to trap fuel vapors in the tank and not allow them to scape into the atmosphere. The vehicle keeps a constant vacume on the tank and when it is unable to hold that pressure it will set the code you have. Try buying a new gas cap-thats a cheap start-clear the code and see what happens. If the light comes back on you will have to bring it to a repair shop where they will tap into the Evap system and force smoke into it. They will then observe the Evap hoses and wherever it leaks smoke will be your problem.

Posted on Dec 03, 2009

  • 48 Answers

SOURCE: 96 jeep grand cherokee starts but wont idle

CHECK FUEL REGULATOR ON FUEL INJECTOR RAIL,&ALSO FUEL PUMP, CHARLIE

Posted on Feb 22, 2010

  • 395 Answers

SOURCE: OBD error code 72 on my 1996 Jeep Cherokee

well code 12 is what it shows up first telling you it's running the test that is normal. if it reads code 12 and nothing else then that means everything is fine. well catalytic converters are expensive to buy i price checked one for you at auto zone its $147.99 with a 5yr warranty. good luck hope i helped

Posted on May 22, 2010

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