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Hi I have a 2001 the check engine came on a used scan tool a code p1391 what does code mean

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  • Jim Dec 02, 2016

    Hi rober fernandez, I want to help you with your question, but I need more information from you. Can you please add details in the comment box?
    Make model and motor size please

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  • 23 Answers

2001 what? We need the make, model and mileage in order to help.

Posted on Dec 02, 2016

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Diagnostic port on a 1994 jeep grand Cherokee limited v 8


Check the fuel filter,nozzles and clean the injector mouth

Nov 24, 2015 | 1994 Jeep Grand Cherokee

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Transmission down shifting to 2 code po 700 or but it does not shift to 3rd gear anymore was resetting it 1st time lasted a month then every 2 or 3 weeks now i can"t reset it anymore no codes


P0700 Transmission Control System Malfunction OBD-II Trouble Code Technical Description Article by Dale Toalston ASE Certified Technician Transmission Control System TCS Malfunction What does that mean? Many vehicles have a control module for the automatic transmission called a transmission control module (TCM). The engine control module (ECM) communicates with the TCM to monitor the automatic transmission for faults. If the TCM detects a fault in the automatic transmission and sets a transmission related fault code, the ECM is informed of this also and sets a P0700 in the ECM memory. This illuminates the Malfunction Indicator Lamp (MIL) to let the driver know there is a problem. If this code is present and the MIL (Malfunction Indicator Lamp) is illuminated that basically means there is at least one transmission code set in the TCM's memory. P0700 is an informational code only. It doesn't point to a direct fault in the engine, only a general fault in the transmission. More diagnosis is necessary to identify what the transmission fault is. This requires a scan tool that will communicate with the transmission module. Symptoms Symptoms of a P0700 DTC may include: Malfunction Indicator Lamp (MIL) illumination The transmission may exhibit drivability problems like slipping, etc. Causes More often then not, the cause of this code is that there is a transmission problem of some kind. The TCM detected the problem and set a code. P0700 means that a fault code is stored in the TCM. However this doesn't rule out the possibility of a failed PCM or TCM (unlikely). Possible Solutions For a P0700 the only real solution is to acquire a scan tool that will communicate with the transmission control module. Extracting this code from the TCM will be the first step in repairing the fault in the transmission. If the TCM compatible scan tool will not communicate with the Transmission Control Module then that is a good indication that there may be a fault with the TCM itself. Register now to ask a question (free) Related P0700 DTC Discussions pt cruiser P0605, P0700, and P1391 What does P0605, P0700, and P1391 mean....I just put in a new catalyst on my car for smog but light engine turned back on...and I can't seem to know what is wrong ...please help me out here... 2002 Dodge Intrepid P0700 & P0841 code my code scanner come up with the codes PO700 and PO841. the 700 code i was told it was the input and output sensors.i had those changed a month and a haft a go. now they are back on and the po841 is on were is the 841 sensor located the machanic i go to tells me my transmission has to be replaced bu... ODB Codes Dodge Caravan 2005 P0700 and P0522 Hello I have a 2005 Dodge caravan and need a fix for these codes please.. P0700 and P0522 came up.. basically ths is stuck in limp mode or 2nd gear.. I am thinking I need a new Transmission Control module.. but can anyone confirm that... 2001 Honda Civic accord p0700 and p0740 Hi I went to get my Honda civic check and p0700 and p0740 codes came up the car has a lil leak But however the car is not slipping or anything. it's not showing no Transmission sign issues. I wanted to know what could possibly be the problem thanks you... 2005 Dodge Caravan P0700 and P0420 I have a 2005 Dodge Grand Caravan.The other day the check engine light came on.I stopped at auto parts store and they checked codes for me.P0700 and P0420 are the codes that came up.What do these mean and why did they show up?My van is running fine.Do I need a tuneup?Or is it something else?I am hop...

Read more at: http://www.obd-codes.com/p0700
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May 23, 2015 | 2006 Dodge Dakota

1 Answer

P1391


Check camshaft and crankshaft sensors and wires leading to them. This code means it the computer isn't getting signal from one or both sensors.

May 03, 2013 | 2001 Chrysler PT Cruiser

1 Answer

What do code p1391 mean


P1391 means intermittent loss of CKP and CMP , these sensor are monitor when the engine cranking,or running,These can come from a damage flex plate for the cranksensor or damage tone wheel for the camsensor,to a failing cranksensor ,failing camshaft sensor, to even the harness intermittent connnection

Mar 12, 2012 | Cars & Trucks

1 Answer

My check engine light soon came on. What does this mean? I have a 2001 chevy silerado 1500.


HI. This will require you to have the engine CPU scanned for trouble code's. This can only be administered with the assistance of a diagnostic computer scan tool. You can purchase this tool at your local auto parts store, or you can just have the scan ran at your local auto zone parts store, free of charge. Once the diagnostic scan is administered, you will be able to isolate the issues that have caused the check engine light to illuminate.

This scan tool will display a print out code and the location of the issue, on the engine, as well. There are Many issues that will cause the engine light to illuminate, but the most common cause will be a failed monitoring sensor, or sensor harness failure(separated power wire, or ground).

Once you have the codes, kindly return to the site, and post them here. We will be able to assist with more accuracy, once the codes are posted.

Thanks..

May 20, 2010 | 2001 Chevrolet Silverado 1500

1 Answer

Engine light came on my 2001 acura rl


There could be a hundred causes for a check engine light. First step is to hook up a computer scan tool and see what codes the computer has. The next step depends on the codes.

Dec 03, 2009 | 2001 Acura 3.5RL

1 Answer

Misfires after changing coils,sparks,pcm,crank and cam sensor. Last scan gives diagnostic codes P 0352, P1391


and the engine size is????? after spending all that money on parts, its time to have a qualified repair shop look at it. po352 involves #2 coil circuit.

Oct 21, 2009 | 2001 Jeep Grand Cherokee

1 Answer

Scan tool will not erase code # P-0601/2001 chrysler sebring 2.7


Sounds like a bad PCM.A dealer may be able to reflash the thing but not certain.Do a web search for the above code and you'll get all kinds of info. Good Luck

Mar 28, 2009 | 2001 Chrysler Sebring

5 Answers

2001 Jeep Grand Cherokee code P1391


I would check to be sure that the timing chain hasn't jumped at all ..

Mar 25, 2009 | 2000 Jeep Grand Cherokee

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