P1684 chrysler

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Thread Tools. Received 2 Likes on 2 Posts. P Driver 5 Line 4. View Public Profile. Send a private message to Izero. Find all posts by Izero. Send a private message to Kalevra.

P1684 chrysler

Log in. Sign up. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. I did the on-off-on-off-on key-dance, and it displayed P and P The P is an old friend -- our former Voyager used to just about always have that one stored. The P indicates a failing PCM, but it can also be caused by a low battery, and the battery is at least 5 years old. The battery connections look clean. Also, I was thinking that I'd pull the battery and have it load tested. I realize that there is a good chance that I'm looking at replacing the PCM. Sort by Oldest first Oldest first Newest first Most reactions. Make sure that the battery and electrical connections are good and reset the computer, if the code comes back, assume that it is a real code. The factory troubleshoot procedure seems not to bother even checking the battery as P is a 'checksum' fault and can only be from an internal RAM failure or possible SCI bus issue. I have had this code, but otherwise the car will still run fine.

Not recommending anything, just reporting my experience. Is the P code persistent on your vehicle?

We recommend Torque Pro. One unfortunate consequence of this is that many generic code readers are sometimes not programmed with all the definitions in use for a particular P1XXX code, and in the case of P, there is a lot of confusion about which definition of this code relates to which manufacturer. Note though that there are still other definitions of code P in current use, and some information on these definitions can be found in the Related Codes section of this guide. What this definition really means is that any problem or circumstance that causes full system battery voltage to be lost, or not to be available to any part of the electrical system or control module, can set this code. In many cases, the presence of code P on Chrysler, Dodge, Jeep, or Plymouth applications means nothing more than an indication that either the battery was disconnected within the last 50 starts, or that system power had been lost for some reason during the last 50 starts. Moreover, the code will usually, but not always, be automatically reset, or cleared by the PCM if the code does not occur again within the 50 start-ups following the start-up event during which the code was set. Refer to the manual for the application being worked on for detailed information on all possible causes of this code for that particular application.

There are many codes that may appear on an OBD2 scanner, but the code P is one of the most common ones you may spot for your car. Upon the first symptoms of the code and reading it on a scanner tool, you may assume it has something to do with the electrical system of the car, but what about the true P code meaning? To help you figure out all the important implications of the code, we decided to give you a tour through this comprehensive guide. Find out more about OBD2 codes research process. The P code is a diagnostic trouble code that is related to the battery.

P1684 chrysler

Some trouble codes are considered generic and the meaning is the same for most types of vehicles. Other codes can be specific to the manufacturer, such as the P code. In this guide, we look closer at the meaning of the P trouble code and determine what fixes work out the best. We also touch on the symptoms, approximate repair cost and talk about how to diagnose the problem. The P DTC indicates that the car battery was disconnected within the last 50 starts. The Powertrain Control Module PCM is responsible for monitoring the charging system and it sets this code when the battery was disconnected or there was a lack of voltage within the past 50 starts.

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Explore Our Forums. I have had that code come up on my DGC, cleared it and it never came back. There are many possible reasons why the transmission is in limp mode and there's no real point in guessing about it here. Last Friday was one of those days. Explore Our Forums. Below are some examples, but take note that as with any manufacturer specific code, the manual for the application being worked should always be consulted for detailed information about the code as it relates to that particular application. Increased power on gentle acceleration. P Driver 5 Line 4. Advanced Search. Maybe I did get a poor batch of E85? If it is suspected that the CAN bus system may have sustained damage, the wiser option is to refer the vehicle for professional diagnosis and repair. I've checked the fuses, wire bunldes going to all speed sensors. I would read the codes and again see if there is another one stored in addition to the P, I doubt the CEL came on and stayed lit for the P I have seen 20 - 30 cents difference and it is possible you are buying your e85 direct from an ethanol producer.

We recommend Torque Pro. One unfortunate consequence of this is that many generic code readers are sometimes not programmed with all the definitions in use for a particular P1XXX code, and in the case of P, there is a lot of confusion about which definition of this code relates to which manufacturer.

I have a theory about that code since it is so prevalent on cars that appear to be operating normally. Thus, if the problem that set code P is not resolved, the code will be set again, and although it may take a day or two, the code will return, along with all the additional codes and driveability issues that were present originally. David S Replies. E85 will hold a lot of water in suspension and may appear cloudy? Oil metering pumps are only used on Mazda applications that are fitted with Wankel rotary engines, about which more can be read in the Mazda area on this site. However, if there are no other codes active or pending present, it is almost certain that the code will reset automatically once the required number of start-up cycles have completed successfully. Ethanol has its own set of drawbacks, starting in cold weather and running cold engines is some of them. Sorry, topic for another day. View Public Profile. P and P Others have huge mechanical failure. If the code returns, and especially if codes other than P return as well, it is likely that an intermittent fault is present in the system. With a good connection after the cleaning …then you can look to other faults. From time to time I have used E85 fuel in our 3. I would make sure that all your connectors between the battery and PCM are correctly seated.