Question about 2000 Saturn SC

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Trans-slips 2000 sc-2 saturn--transmission slips going threw the reverse takes 5 seconds. I'm told it should be my auto/transaxle solenoid. how do i fix it an where is it.I know nothing about newer cars than 77 but the basics.

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  • mdrajczuk Jun 20, 2008

    yeah .this was suppose to be free! youre just a ripoff!!!!!an therre was no solution to fix my car!



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You could try the reverse fix here:
Reverse fix for Saturn TAAT
Or if it turns out your valve body is bad, here is how to swap it:
Replacing the valve body of a Saturn TAAT Transaxle

DO NOT believe bad auto mechanics that tell you they need to swap your transmission!


Posted on Mar 07, 2009



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Posted on Jan 02, 2017


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1 Answer

2005 suzuki reno code po734

lots! (can talk this all day) (a/t are no simple)
find a smarter shop!
going to a transmission shop they go , gee, that is all we know
here, swaps (or rebuilds only) AAMCO?
first stop is:
try a real ASE mechanic that can do the many tests on car.
called ON CAR tests, in the FSM
all my answers are for usa, cars,if not ignore all my posts.

$4 and is ReAL, not fake or cloned'

goggle find my ASE shop, BINGO.
type zip bingo2.

700 means tranny errors, any. (ignore
734 ( serious)
check levels yet, per above method(link?) step by step?
check fuses just in case.
oddly this car has a separate TCM tranny brain,
that drives 6 solenoids inside the box.
most suzuki a/t there is a secret( in fsm on all that do)
manual test mode. on most you un plug TCM connector and drive
to see if 4th gear really does slip, my guess is yes.
if yes slips, its bad trans, of no slip bad solenoid.
watch out manual mode can skip gears, #2 or 3, so test only 4.

replace the valve body, we do on regular trans, not sure
if that works on this transaxle type? (i dont have the book on this box)
in my shop i can hot wire solenoid(before retired)
this proves not TCM and is in the box
then i check solenoid coil ohms. 10 ok , 0 bad infinity bad.
10 can be 20 , idont know, the book above tells coil spec.
the soleniods can be bench tested.

fsm quote

Trouble Code: P0734 (2.0L L4 VIN - Auto)
4thGearr Incorrect Ratio (or slips)

Number of Trips to Set Code: 1

Trouble Code Conditions:
TCM detects any inconsistency in the actual gear ratio.

Possible Causes:

Input clutch solenoid valve

Front brake solenoid valve

Direct clutch solenoid valve

High and low reverse clutch solenoid valve

Each clutch

Hydraulic control circuit

Jan 15, 2016 | 2005 Suzuki Reno

1 Answer

Saturn sc2 problem

DTC P0732 sets when 2nd clutch still slips after the PCM has commanded high main line pressure
DTC P0734 sets when 4th clutch still slips after the PCM has commanded high main line pressure.
DTC P0733 sets when 3rd clutch still slips after the PCM has commanded high main line pressure.
The powertrain control module (PCM) uses the crankshaft position (CKP) sensor, input speed sensor (ISS) and output speed sensor (OSS) to determine engine speed, input shaft speed and output shaft speed. These sensor readings are used to determine the current gear ratio and RPM slip across the torque converter. The PCM uses this information from the sensors to determine if the commanded gear matches the actual gear. During normal driving conditions, the PCM will adapt main line pressure via the pressure control (PC) solenoid to prevent slipping and harsh shifts. Shift solenoid 2 is used to apply or release second gear clutch. The PCM controls 2nd gear by controlling the ground for shift solenoid 2. The PCM will turn the solenoid Off (open the driver circuit) when second gear is commanded On to apply 2nd clutch. Shift solenoid 2 is supplied ignition voltage from the fuel pump relay whenever the PCM commands the fuel pump relay On.
Do you know how to test main line pressure ? Also , with the valve body off air check clutch packs . Do you know how to do that ? How many miles on the trany ?

Auto Trans Rebuild Chapter 8 Air Check
Making sure clutch packs are good .

Jun 08, 2017 | 2005 Saturn SC2

1 Answer

1989 acura lost reverse and second gear

Time for a transaxle rebuild

The trans fluid change should not be done on a failing
or slipping transmission & I don't suggest a flush ever
again on any trans,you chance breaking cooler lines
& getting debris into the solenoids

Mar 01, 2013 | 1989 Acura Legend

1 Answer

1989 dodge dynasty v6, fwd, transaxle 3 speed auto, good condition, experiencing shift problem, doesnot want to shift into passing gear, sometimes it does, right now it doesn't, any takers

most auto trans don't shift into reverse when low. Reverse takes the most fluid of all the gears.
Check for a bad shift solenoid or wires to and from that circuit. Most trans-axles have them now.

Feb 25, 2013 | 1989 Dodge Dynasty

1 Answer

Gear shift solenoid or transmission problem?

You needed not pay $4000 for any transaxle,you got taken big time

They cost about $2500 tops to rebuild

The shop never diagnosed the original issue,new trans needed or not

Dec 03, 2012 | 2000 Honda Prelude

1 Answer

The transmission startedwith a loud clunking noise when shiftinginto reverse. It progressively got worse until it no longer moved in reverse.The lady had her son change the fluid but did not mention if he...

yes, change the filter and use proper fluid and level. filter might not be a stocking item at parts store. After you changed, pull negative battery term overnight to reset trans logic memory. May also be servo pack if it has one (does it make a short buzzing sound when going into gear?) they get clogged too as in a Chrysler transmission.

Oct 19, 2010 | 1996 Saturn SC

1 Answer


with the code, I'd lean to the solenoid, but there is a large nut inside the transmission that loosens on these and when it does, you'll lose reverse.

Jul 22, 2009 | 2000 Saturn SL

1 Answer


your trans has lectronic controls to operate the shifting of your trans. If there is a defect, a fault code will be stored in the computer, called a DTC. You need to have someone with a scan tool check for the fault code. It is likely a solenoid that is not working or stuck.

Get the codes first. Autozone can run the test for free on engines, maybe trans codes too. Call your local Autozone or big parts store and ask them.

SECTION 307-01: Automatic Transaxle/Transmission 2001 Escape Workshop Manual
DESCRIPTION AND OPERATION Transaxle Description The CD4E automatic transaxle is a four-speed, front wheel drive automatic transaxle with electronic controls for:
  • Electronic pressure control (EPC) solenoid for shift quality.
  • Shift scheduling.
  • 3-2 shift timing.
  • Coast braking.
  • Torque converter clutch control.
The transaxle features a four element torque converter with a torque clutch and a geartrain that includes:
  • Compound planetary gearset.
  • Chain drive.
  • Planetary gearset final drive.
  • Pinion and side gear differential.
The hydraulic control system of the transaxle has five solenoids that control:
  • Shift feel, through line pressure control.
  • Shift scheduling, through shift valve positioning control.
  • Modulated application of the torque converter clutch.
  • Timing of 3-2 shifts.
  • Engine braking during coast operation.
Solenoid Valve Body Assembly The solenoid valve body assembly contains the transmission fluid temperature sensor (TFT) sensor, as well as five PCM controlled output devices:
  • Electronic pressure control (EPC) solenoid.
  • Shift solenoid A (SSA).
  • Shift solenoid B (SSB).
  • 3-2 timing/coast clutch solenoid (3-2 T/CCS).
  • Torque converter clutch (TCC) solenoid.
You may need your PCM, Powertrain Control Module reflashed by a Ford Dealer.
Try disconnecting your battery for 1/2 hour and then reconnect and see what happens. It will run a little rough and shfit hard until it relearns your engine/trans characteristics.
Let us know results of tests and DTC codes if you get them.

May 04, 2009 | Renault Sportwagon Cars & Trucks

2 Answers

2000 impala ls trans problem

The problem is a known issue with the 1 to 2 shift at hard throttle. The fix is a repair of the entire 2nd clutch assy. in the transmission. There is a TSB about it released by Chevy. It will need that rebuild for the sudder to go away, or you can try and let off it at shift to stretch more miles out of it.

Feb 02, 2009 | 2000 Chevrolet Impala

4 Answers

96 saturn sc transmission problem

Are you sure you are getting the right trans? There are 2 different based on sohc or dohc. The rpo codes are mp6 or mp7. The gear ratios are different and will set these codes.

Sep 09, 2008 | 1996 Saturn SC

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