Question about 2001 Dodge Dakota

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Battery being draind

Code p0622 came up on scanner .book said generator lamp f. battery is good alternator is good. what does this code mean yes i have the same problem with  my dodge dakota plaese give me a answer P 0622 P1682

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I have researched these codes, you must have some kind of issue with the alternator, did you test it with a load bank that pulls max amps from system? I suspect either the connectors to the alternator are loose or the alternator has a bad diode in the rectifier bridge circuit, have it tested again, kragen does it for free as well as others.

Posted on Oct 09, 2008

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1 Answer

How to fix P0622 code


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2001 Dodge Intrepid- What does P0622= Generator F-term. Field F control, and P0403= EGR flow circuit malfuntion mean? Thank you


If you've replaced those parts according to the codes, you need to have the codes cleared from the computer, otherwise the car will think you still have the bad parts on, and stay in what they call Limp Mode! Sometimes you can take it to an Autozone, and they can clear it for you! Otherwise you need to have a shop clear those computer codes for you!

Apr 18, 2014 | 2001 Dodge Intrepid

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P1684, P0622, P0403, P0134. These are the codes that I got from my scanner, what do they mean? Thank you


My guess is you may have wired something up wrong, or installed a faulty part. Either that or forgot to plug something back in while you were putting it back together. In other words replacing a battery and alternator shouldn't cause the oxygen sensor to go bad. So my suggestion is to check all plugs and wires to make absolutely certain everything is put back together correctly before you sink more money into fixing what's not broken. Haynes repair manuals list all the engine fault codes so for everyone else reading this, if you get codes check your manual or head to the library to look it up in theirs.

Apr 16, 2014 | 2001 Dodge Intrepid

1 Answer

How to fix a code p0622


code p0622 refers to alternator ,field control-circuit malfunction causes--wiring ---alternator---battery---ECM. I would have the battery load tested first to check for loose for terminals and failing cells. Then check that the plug in the back of the alternator is tight

Jul 15, 2013 | 2005 Dodge Neon SXT

1 Answer

Need to know what code no. p0601 and p0622 mean


generator field not switching properly.P0622
Internal powertrain control module fault condition detected (failed memory check ) p0601.
Sounds like its time to replace ecu pcm. But try resetting it first. Remove negative battery cable and turn key all the ay for 1 min. Then pull positive off and touch the negative cable with positive cable and hold for 5 seconds. Make sure they are not touch battery terminals at all. Good luck

Apr 28, 2013 | 2001 Dodge Dakota

1 Answer

P0601, and p0622


P0622 is "Generator field 'F' control circuit malfunction"- your alternator has a circuit malfunction in the voltage regulator function. You need to have the charging system checked. It may be a wiring problem in the circuit to the alternator. A shop needs to test it out.
P0601 is "Internal control module memory check sum error"- I have no idea what that means, but is probably set because the charging system has a malfunction, and the result may be memory loss in the control module when the alternator acts up. Have the 0622 fixed, erase the codes, and see if the 0601 returns. That is what I would do, anyway.

Apr 28, 2013 | 2001 Dodge Dakota

1 Answer

P0622 and P0621 codes and batterys not charging on a 2007 chevy C4500


The codes are for two different circuits that involve the alternator and the computer. One is for the field circuit and the other is the lamp indicator or gauge circuit. The PCM controls the voltage regulator inside the alternator.
You would need to take it to a shop that has the books, or buy a used copy of the GM shop manual to get the test procedures for both codes.
The problem could be in the wiring harness, or the computer.

Jan 29, 2013 | Cars & Trucks

1 Answer

What is code p0622


Hi there:


DTC P0622 - Generator Field Control Circuit
This is a trouble code relates to the charging system and means that the Powertrain Control Module is trying to control the generator field with no result during monitoring.


This problem could be caused:
- open/shorted within the field control circuit between the PCM and the alternator ( a brown/gray wire ),
- generator ground circuit (brown/black wire),
- generator itself, or
- faulty PCM.




Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

May 24, 2012 | 1998 Dodge Dakota

1 Answer

What does code p0622 mean


Hi there:


DTC P0622 - Generator Field Control Circuit
This is a trouble code relates to the charging system and means that the Powertrain Control Module is trying to control the generator field with no result during monitoring.


This problem could be caused:
- open/shorted within the field control circuit between the PCM and the alternator ( a brown/gray wire ),
- generator ground circuit (brown/black wire),
- generator itself, or
- faulty PCM.




Hope this helps; also keep in mind that your feedback is important and I`ll appreciate your time and consideration if you leave some testimonial comment about this answer.

Thank you for using FixYa, have a nice day.

May 24, 2012 | 1998 Dodge Dakota

1 Answer

Battery being draind


No, no this is an generator field circuit problem, check it!

Jun 18, 2008 | 2001 Dodge Dakota

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