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2004 Malibu will slowly move fwd in drive.

'04 Malibu Maxx
V.I.N. Z 3.5L

Vehicle has run fine since we purchased it new. One night on the way home I noticed it didn't want to downshift going up a hill we take everyday but finally did after a lil more throttle pressure.

The very next day my wife is driving the car up a slow grade and noticed she was losing speed. She came to a stop sign and the car did not want to accelerate away from the stop but did so with more than usual throttle pressure. She parked the car and upon returning the car would not move into reverse.
The car will roll back in neutral but when placed in reverse. While in reverse it will act as if in park even stopping a downhill roll. The car will still move foreward but only in drive and after more than avg throttle pressure. It will NOT move in L1, 2, 3 or reverse

I pulled DTC data and found no active codes however during running tests I located a DTC U2108 stored in my Genysis since last clear. I looked up the code and it came up as:

DTC U2108 CAN Bus Error ABS
DTC U2108 Lost Comm with ABS Control System

I used a Genysis 2.0 system to acquire my data.

The vehicle has 57K miles and recieves more than avg. service so I was a lil shocked we would have transmission trouble this soon.

There are no active codes or warning lights.

I consider myself an accomplished mechanic though my automotive education is out of date.

Any info or suggestions are welcome and appriciated.

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6 Suggested Answers

  • 2 Answers

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Posted on Jan 02, 2017

  • 34 Answers

SOURCE: Car stops moving in reverse gear

Sounds like the car is just slipping out of gear. Keep your hand on the shifter when you back up next time. See if you can feel the shifter move when the car comes out of gear. If the shifter moves up when it happens keep pressure on the shifter holding it back like you dont want it to move forward. And of course if the shifter moves back when it comes out of gear, put forward pressure on the shifter so it doesnt slip out. This might work for now but but i know i wouldnt want to spen 700 for that ****. Let me know how it goes.

Posted on Nov 20, 2008

  • 2920 Answers

SOURCE: brakes locked up ran through stop sign 04 santa fe

it sounds to mee like the brake power booster or abs is acting up.if you dont feel safe driving it use it as a trade in for another vehicle that you feel more comfortable with

Posted on Jan 27, 2009

  • 65 Answers

SOURCE: 1991 Caprice No reverse. Moves in neutral. All forward gears OK.

shift linkage needs adjusting,,could be bent, easy fix, located along firewall to fram beneath the column, ask your son wut he ran over and didnt tell u about... hope i could help...:)

Posted on Mar 23, 2009

  • 6674 Answers

SOURCE: 1991 Caprice No reverse. Moves in neutral. All forward gears OK.

What engine? Rear wheel drive ?Sounds like shift linkage or cable out of adjustment slightly. Have a look at where cable or rod attaches to transmission for adjustment. If not sure of what your looking for get back to me with info.

Posted on Apr 11, 2009

duyle 2009
  • 3 Answers


check the level transmission fluid and top up 1/2 litre in gearbox

Posted on May 14, 2009

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