Question about 2001 Dodge Dakota
Engine light stays on and engine idles rough
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
Posted on May 05, 2013
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Posted on Jan 02, 2017
SOURCE: 2001 Dodge Dakota Engine Light
below is coped directly from Chrysler. sorry but if you have that code you need a PCM
P0601-PCM INTERNAL CONTROLLER FAILURE
POWERTRAIN CONTROL MODULE
TEST ACTION APPLICABILITY
1 NOTE: This DTC indicates an internal PCM problem.
If there are no possible causes remaining, view repair.
Replace and program the Powertrain Control Module in accordance
with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 2.
Posted on Mar 25, 2009
check everything you can under the hood your air intake system all of it especially make sure all clamps are tight .. and make sure all vacuum hoses are good and not cracking or broken or just loose . you might run a little fuel cleaner through a tank of gas too cleaning the engine fuel system up some. just a few ideas.. Jerry
Posted on Apr 12, 2009
Sounds more like an alternator problem. Check output voltage of alternator, code P2503 indicates low voltage. Check/clean all connections at battery and alternator, as well as check all fuses/relays under hood in fuse relay box, just in case fuse blown as well. If all checks out good, you may need a new alternator.
Posted on Dec 20, 2009
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