Question about 2001 Dodge Dakota

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P0601, and p0622

What do these mean and how to fix

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  • Dodge Master
  • 5,317 Answers

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.

Posted on Apr 29, 2013

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2 Answers

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

P0622


P0266- cyl #2 contribution imbalance- possible injector to be replaced

Mar 01, 2013 | 2004 Mitsubishi Galant 2.4

1 Answer

What is this code p0622 mean for 2004 2.7 intrepid


  • P0622 Generator Field "F" Control Circuit Malfunction
  • Jun 24, 2012 | 2004 Dodge Intrepid

    2 Answers

    Scanner reads code P0601


    p0601 refers to pcv valve elbow but us 5/16th pcv hose and replace the part that connects to were it comes of line toward block also plus pcv assmbely too and you should not have that annoying yellow light stearing at you

    Jun 10, 2012 | 2001 Dodge Neon

    1 Answer

    Engine light is on. Runs fine. Getting a P0601 "Internal control module memory check sum error" What could cause this?


    P0601 - Internal Control Module Memory Check Sum Error

    Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times.

    Symptoms: Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light. Typically the engine runs fine, gauges work, etc.

    Causes: A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code.

    Possible Solutions: With a P0601 OBD-II trouble code, the most common fix is to replace and reprogram the PCM. In a few cases the dealer may be able to reflash the PCM and get it working. But more than likely the PCM will need to be replaced and reprogrammed (we recommend you take it to a dealership for this). The good news is it *may* be covered under your emmissions warranty. So even if you're out of bumper-to-bumper warranty or powertrain warranty, check your warranty guide or dealer to see if this is covered.

    Other people have reported that they cleared the code only for it to return again and again. Keep in mind that most shops can replace the PCM but not all can program it.


    Hope this helps to solve it (remember to rate this answer).

    Jan 05, 2011 | Dodge Ram 1500 Cars & Trucks

    4 Answers

    P0601 diagnostic code what is the mean , or whats is the problem


    P0601 - Internal Control Module Memory Check Sum Error

    Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times.

    Symptoms: Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light. Typically the engine runs fine, gauges work, etc.

    Causes: A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code.

    Possible Solutions: With a P0601 OBD-II trouble code, the most common fix is to replace and reprogram the PCM. In a few cases the dealer may be able to reflash the PCM and get it working. But more than likely the PCM will need to be replaced and reprogrammed (we recommend you take it to a dealership for this). The good news is it *may* be covered under your emmissions warranty. So even if you're out of bumper-to-bumper warranty or powertrain warranty, check your warranty guide or dealer to see if this is covered.

    Other people have reported that they cleared the code only for it to return again and again. Keep in mind that most shops can replace the PCM but not all can program it.

    Other PCM / ECM Codes: P0602, P0603, P0604, P0605, P0606, P0607, P0608, P0609, P0610.

    Hope this help to solve it (remember rated this).

    Aug 03, 2010 | 2001 Dodge Stratus

    1 Answer

    Check engine light is on 3 codes p0740,p0601,& p0700 what do they mean


    P0700 - Transaxle Control System Fault Conditions
    The P0700 code is for information only and the next step is to check for transaxle codes in the Transaxle Control Module (TCM). So you'll have to have the dealer or another qualified shop/technician pull the transaxle codes from the TCM and go from there.

    P0740 - Torque Converter Clutch Circuit Malfunction

    P0601 - Internal Control Module Memory Check Sum Error
    What does that mean?
    Basically that means that there is an interal fault in the Powertrain Control Module (PCM). There have been many reported PCM failures on Chrysler/Dodge products although it is possible for this to happen on any vehicle. In Dodge/Chrysler products, a P0601 trouble code means that a serial communication failed inside the computer at least 6 times.

    Symptoms
    Likely, no symptoms will be discernible to the driver, other than the illuminated Check Engine Light. Typically the engine runs fine, gauges work, etc.

    Causes
    A code P0601 in most cases means the PCM has gone bad. This is possibly due to a short-circuit inside the PCM. Or, if you disconnect the wires/connector from the PCM while the battery is still connected, that may also cause this code.

    Possible Solutions
    With a P0601 OBD-II trouble code, the most common fix is to replace and reprogram the PCM. In a few cases the dealer may be able to reflash the PCM and get it working. But more than likely the PCM will need to be replaced and reprogrammed (we recommend you take it to a dealership for this). The good news is it *may* be covered under your emmissions warranty. So even if you're out of bumper-to-bumper warranty or powertrain warranty, check your warranty guide or dealer to see if this is covered.

    Other people have reported that they cleared the code only for it to return again and again. Keep in mind that most shops can replace the PCM but not all can program it.


    Good luck!

    Jun 02, 2010 | 1998 Chrysler Sebring

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