No overdrive and Limp mode

30

Asked by Eddie Feb 17, 2017 at 07:17 AM

Question type: Maintenance & Repair

I got a dodge ram 2006 4 x 4 I was going
down the road and heard a pop and all of a
sudden my truck drops down a gear like I
pulled it down into second gear I did not
have overdrive on or tow/haul on.  Now
when I come to a stop and take off it's like
I'm taking off in high gear I can pull it all
the way down in first and shifting from 1st
to 2nd nothing happens but when I get a
sec it to drive it changes gears but then
when it's in drive it seems like it needs to
change to a higher gear after you get to 55
to 60 like the overdrive is not  coming in. I
check the codes and got a zero 750 and
0700 so I cleared the codes and nothing
happened. on the way home when I was at
a store, I  backed  up to the right and
pulled it down and drive and it seem to
work good up to the first couple hundred
yards and then I heard a like a pop again
and it started doing the same thing it's like
i have high range and 2nd.  I check the
fluid fluid is fine please help

6 Answers

Clearing codes does not fix anything at all. Take it to a good transmission shop.

The P0750 will be set when the Powertrain Control Module (PCM) detects a fault with shift solenoid “A.” The PCM controls the shift solenoid by commanding the solenoid when to engage and disengage. This fault will display a Check Engine Light on the dashboard and put the vehicle into a failsafe mode.

P0700 is set when the PCM detects a malfunction in the transmission control system. This malfunction causes the vehicle to set a Check Engine Light and trigger a failsafe mode. Once the failsafe mode is set it will remain until the fault is repaired or normal operation is detected.

1 people found this helpful.
30

I'm somewhat knowledgeable about mechanics but the newer vehicles of course are different. It I do feel very comfortable changing parts out of knowing what the cause is. In reading up on what it could be is ranging from Governor sylenoid, speed sensor, to even filter. I just didn't want to by 10 different parts to fix one thing. The Engine light is own but I just don't know if it's a where to start on electronic side of things

30

If it's just removing the solenoid.. I don't need a pro bif you have rebuild the transmission then yes

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