Question about 1997 Dodge Dakota

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Troubleshooting code PO753 ECM or PCM.

AUTO ZONE DID THE TEST ON MT 97 DODGE DAKOTA 4X4 AT/4X4 318
3-4 SHIFT SOLANOID RELAY CODITION. ECM HAS DECTECTED AN OPEN OR SHORTED CONDITION ON THE RELAY CIRCUIT. TOLD TO GO TO DEALERSHIP FOR PART NO. THEY SAY PCM IS PROBLEM. WHICH IS IT?????

LONESOMEDOG5@PEOPLEPC.COM
THANK YOU.

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  • LONESOMEDOG5 Oct 17, 2008

    OK I'M GOING TO SOUND LIKE A IDIOT BUT WHERE IS IT AT AND WHAT AM I LOOKING FOR.



    P.S. THIS IS THE MOST HONEST ANSWER I'VE HAD YET.



    LIKE THE VETTE.

  • Anonymous Mar 18, 2014

    ecm? pcm?

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  • Dodge Master
  • 61,037 Answers

It is more likely the solenoid, the PCM is very seldom the problem, about 3% of the time to be exact.

Posted on Oct 16, 2008

  • yadayada
    yadayada Oct 17, 2008

    The shift solenoids are in the trans attached to the valve body, the PCM is under the hood.

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My 2013 dodge avenger wont start. Im getting a p0688 ECM/PCM code. What should I do


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Read more: http://www.autocodes.com/p0688_dodge.html#ixzz405J7vpq8

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What does the code po753 refer to


Symptom:

P-0753 TRANS 3-4 SHIFT SOLENOID/TRANS RELAY CIRCUITS

When Monitored and Set Condition:

P-0753 TRANS 3-4 SHIFT SOLENOID/TRANS RELAY CIRCUITS

When Monitored: Continuously with the key on.

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Circuit at the PCM is different than the expected voltage.

POSSIBLE CAUSES

FUSED B(+) FEED TO THE TRANS CONTROL RELAY OPEN

3-4 SOLENOID WIRING HARNESS INTERMITTENT DEF

3-4 SOLENOID WIRING HARNESS OBSERVABLY DEF

SHIFT SOLENOID CONTROL CIRCUIT OPEN

SHIFT SOLENOID CONTROL CIRCUIT SHORT TO GROUND

SOLENOID AND HARNESS DEF (SOLENOID CONTROL CKT)

TRANSMISSION RELAY OUTPUT CIRCUIT OPEN

TRANSMISSION RELAY OUTPUT CIRCUIT SHORTED TO GND

PCM DEF (3-4 SOLENOID/TRANSMISSION)

PCM DEF (TRANS 3-4 SOL/TRANS RLY CKT)

POWERTRAIN CONTROL MODULE DEFECTIVE

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POWERTRAIN CONTROL MODULE DEFECTIVE

SOLENOID AND HARNESS DEF (SOLENOID PACK CONN)

TEST COMPLETE
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I have a 2003 dodge dakota. 4.7l. I get codes p0685 and p0688. No start no spark. Relay is good. But voltage drops when using a voltage meter on one of the grounds in the pdc. Any live wire and that ground...


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