Question about 2005 Dodge Magnum

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Having trouble understanding what dtc codes reveal

Can u tell me what exactly does the codes p1521,p1618,and p2638 describe for 2005 dodge magnum? the problem is that the car stalls when slowing to a stop. the etc dash light and esp light come on and the car will not accellerate the engine will continue to run rough at an idle untill i turn the car off. when i restart the car, the engine runs normal so far it has only done this 4 times .I plugged in the odb and these are the codes that came up. but i dont understand speciffcally what they mean.could u please help me out

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  • suraci1 Oct 08, 2009

    i am not understanding the explanations that is given under the dts codes. the code p2638 says trans torqe management feedback signal A range performance. the code p1618 says 5 volt output referance voltage 1 noisy signal or sensor referance voltage 1 eratic. could you please explain what these explanations refer to so that i can understand what they mean. thank you for your help.



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I see from your comments you are looking for a layman's explanation of what these codes mean. Okay here goes:
The gear that your transmission is in is a result lots of information provided to the transmission and information from the transmission. from these codes it appears your transmission "thinks" something is wrong based on the values it is getting. These values help in ascertaining best gear, clutch wear, overall transmission health and performance.
So in a nutshell your transmission again "thinks" the information is incorrect or garbled (P1618).
You are going to be really best served by taking it to a shop to find out if you have an electrical issue, a computer issue, or some related combination of issues. Why these things happen can only maybe determined once you've ascertained why the signal information is what it is. You need an analyser, a code reader can only point you in the direction.

Posted on Oct 08, 2009

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  • When Monitored: Engine Running.
  • Set Condition: Using the oil pressure, oil temperature and other vital engine inputs the PCM can determine the engine oil viscosity. Incorrect viscosity will effect the operation of the MDS by delaying cylinder activation and p 2636 means fuel pump B low flow
  • Posted on Oct 08, 2009


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