Re: School me on '03 Dodge Diesel trans dropping out of OD
[Re: RMCHRGR]
#1738092
01/25/15 05:18 PM
01/25/15 05:18 PM
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Joined: May 2004
Posts: 12,383
Taxes & Virus's R-US, NY
Dragula
OP
I Live Here
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OP
I Live Here
Joined: May 2004
Posts: 12,383
Taxes & Virus's R-US, NY
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Quote:
Quote:
My first diesel with an auto since my '98 I bought new, and I am already having problems and wish I would have had more time to find a stick....I hate auto's..
So what now, change the two solenoids in it or is there something else I should be looking at?
No codes? You checked fluid, right? They can be fluid sensitive sometimes.
Does it do it at a particular speed or is it random? Any other clues? Possibly a chafed wire somewhere. Know anyone with a DRB/Starscan? Might need to take it for a ride with the scanner and watch too see if something comes up.
When I was working, I replaced enough solenoids in transmissions but usually there was some sort of associated code. TCM is up to date with latest flash?
I am thinking I might have melted a wire with a heat lamp trying to get it unfrozen a couple weeks ago, but the it only looks like the outer plastic on it melted. Not even sure what the wire does...And I can't remember when this started acting up, before or after.
Either way anything after 40mph, it drops out of fourth, if I am above 50 where the convertor locks, both drop out. No codes....
Did I mention I hate auto's
Last edited by Dragula; 01/25/15 05:19 PM.
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Re: School me on '03 Dodge Diesel trans dropping out of OD
[Re: Dragula]
#1738093
01/25/15 07:02 PM
01/25/15 07:02 PM
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Joined: Dec 2007
Posts: 1,357
central Florida
VL21
pro stock
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pro stock
Joined: Dec 2007
Posts: 1,357
central Florida
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My first thought is TPS, but I am not a diesel guy, maybe the 03 doesn't even have one ...
It takes gasoline to interest me.
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Re: School me on '03 Dodge Diesel trans dropping out of OD
[Re: VL21]
#1738094
01/25/15 07:38 PM
01/25/15 07:38 PM
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Joined: Sep 2007
Posts: 1,890
Spahn Ranch
RMCHRGR
top fuel
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top fuel
Joined: Sep 2007
Posts: 1,890
Spahn Ranch
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Quote:
My first thought is TPS, but I am not a diesel guy, maybe the 03 doesn't even have one ...
I was going to say that but you would probably have a code and likely other symptoms. Could be pending if it's intermittent but it sounds like the problem is present all the time.
Does it go into limp mode at all? Seems weird that you would have a symptom like that and no codes. Batteries/charging system good?
Might be a wheel speed or one of the shaft speed sensors. If any of those drop out, the trans may not know road or engine speed. Can't recall if you get codes for those, probably but you might not. You would have to look in the TCM or ABS systems with a scan tool to monitor them. Not sure if you can do it with a Modis, might need a DRB.
Again, see if you can find someone with a scan tool, it's going to be the most efficient way to narrow this down. It sounds like an electrical problem. Could also be the bus going down but that would likely lead back to a wiring issue. Might be a good time to figure out what that wire you melted is for... where was the wire?
BTW, if you go after one of those wheel speed sensors be aware that they tend to seize so proceed with care.
'71 Duster
'17 Ram 1500
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