09 1500 stuck in "4" after car wash - Hemi Truck Club
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Old 05-03-2013, 01:04 PM   #1
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09 1500 stuck in "4" after car wash

Anyone have an idea what is going on here.

Whenever I go to the car wash I put the truck in (N) because it is an auto roller car wash. Once I get out of the wash I put it back in (D) and it automatically goes into (4) and won't shift out.

Tried manually shifting - Nothing
Tried putting back in (P) then (D) - Nothing
Tried putting it in 4x4 then back to 2 - Nothing

Only way to get it back to (D) is shut off the truck then turn it back on and then works fine.

Tried going down the road put it in (N) coasted for a block put back in (D). Couldn't replicate the problem

The addiction has got to me and I can't stop......

09 1500 Crew Cab Laramie
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Old 05-03-2013, 01:09 PM   #2
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Location: Central FL
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We've had that happen to us in our 2010 it happened right after we loaded a new tune into the computer, We believe it has somthing to do with your tuner/programmer , Just shut the truck off, And turn it back on it usually clears it up,

Maybe someone else has a better explination.

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Old 05-03-2013, 02:26 PM   #3
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See if your SC shows any codes and clear them then disconnect the battery cables for about 5 minutes. Mine hasn't returned since.
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Old 05-04-2013, 07:39 PM   #4
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Do you have the auto stick function in your truck?
"CMR TUNER" [email protected] 1/4 with a 7.32 1/8 custom long/short bars by "Me" Turbocharged 392 on 9psi S475/96/1.32 . Running thru an A518! [email protected]
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Old 07-24-2013, 10:17 PM   #5
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I had the same issue a couple of days ago but I know my tranny is on the way out. I've been having codes for a bit now and shifts like ****. Just saving money to repair. There has been few other people that this has happened too. Locking in forth gear is the tranny limp mod. From a few othe people having this issue, was traced to a bad ground on the PCM. Check the wiring harness and clean the grounds. That has fixed a few people. With it happening to you in a carwash sounds like that is the issue.

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Old 07-25-2013, 07:34 AM   #6
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^x2. give your trans fluid a sniff too.
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