Question about 2004 Cadillac CTS

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What does the electronic presure solenoid do?

The trans is no going in to gear in the mornings. in other words when its cold it takes a while for it to kick in gear.

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Have u ever had the trans serviced, new fluid and filter? do that and use the new GM Dexron 6 fluid, there is a good chance the problem will be corrected.

Posted on Feb 12, 2009

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This is part of the question on the 700R4 sould the plugin have current to it


yes the 4 wire plug has power going to transmission to operate the TCC solenoid and grounding switch to relay what gear the trans is in . now later trans have a plug on passenger side that carries more wires for electronic controls of line pressure and shift solenoids.

Dec 12, 2014 | Cars & Trucks

1 Answer

Truck won't shift into gear


Oh, boy - this could be pricey!! Either the shift linkage came apart or the Transmission went bad. Find the shift linkage rod coming through the firewall and follow it to the transmission. Check for connection to the trans and if the grommets are good. If both are good, then you'll need to get it to a transmission shop to be investigated. If no Linkage rod, then your trans is 'wired' meaning it is electronically controlled, and the shift solenoid ( or other component)is bad or has a bad connection. If this is the case, locate the shift solenoid on the side of the trans and inspect the wires - if any are burnt or lumpy, that would be bad and need replacement.
Hope this helps!!

Mar 28, 2014 | 2005 Chevrolet Silverado 1500 2WD

1 Answer

Automatic transmission takes to long to change gears, rev's going up to high before changing to the next gear. What could be the problem?


trans oil low level,oil presure to low or oil presure to high1st ajust the cable for trans or the bens front cluch.

Jun 04, 2012 | Isuzu Pickup Cars & Trucks

1 Answer

I have a 2002 Honda Accord with Auto Trans. I


i would check the transaxle fluid first, if it is fine, I would then take it and change the fluid and filter. if this does not correct it, quite possibly the transaxle is faulty, sorry, I hope that the fluid corrects it for you, thanks

Aug 31, 2009 | 2004 Honda Accord

1 Answer

2001 ESPACE 2.0L AUTO NO REVERSE HELP PLEASE


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.

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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

1 Answer

Overdrive lockup


On the passenger side of the trans there are two servos.A servo is a steel piston with rubber lip seals bonded to the steel.The servo piston strokes in or out,applying or releasing a band.There are two servos,each hidden behind circular aluminum covers held into the case with snap rings.The rear servo actuates the 2nd gear band,and the front servo actuates the 4th gear,or O.D. band.The rubber lip seals on the servo pistons are soft and pliable when new,but with hot and cold cycles,and years of use,the rubber hardens and doesnt seal very well,causing loss of gears.It is very possible the servo has hardened,and that's why you are losing 4th.The other possible cause is electronic.This trans,the A4LD has 2 electrical solenoids inside the trans,4th gear solenoid and lockup solenoid.These are the ONLY electronics inside the trans,another possible problem area.I would remove the servos first for inspection,but before removal,take a scribe and scratch into the aluminum covers,"F" on the front one,and "R" on the rear one.These servos are different diameters,and MUST go back where they came out of.On the servo covers you will see cast into the covers 2 letters identifying the servo it requires....AB.....BB.....ZC...etc.These are examples,and yours will likely be AB and BB.If you DIY....use plenty of vaseline on the rubber lip seals,and the servo bores, to prevent cutting the new servo seals and O rings.Good luck.

Sep 09, 2008 | 1994 Ford Explorer Limited

3 Answers

Automatic transmission


check 1st 2nd shift solenoid (lift it of the box check passage way is clear ) use genuine fluid i cant strees this enough (9 years working on hondas taught me ) it works so many problems solved with a simple oil change

Aug 03, 2008 | 2000 Honda Prelude

2 Answers

Automatic Transmission problem


You didnt specify which transmission your car has,the 3 speed,model A131L,or the 4 speed A245E.Both transmissions basically have the same elements applied internally when acquiring Reverse gear.Forward clutch off,Direct clutch and Low Reverse clutch applied.The major difference between the two available transmissions for your car is,the 3 speed trans is totally hydraulic,no electronic controls,while the 4 speed trans is totally electronic control.Check the fluid level first,regardless of trans model.If your car has the 3 speed trans,it is likely an internal trans problem.Same thing for the 4 speed model,with the exception that the problem could be the electronic solenoids malfunctioning.The solenoids should be deemed defective or good,before a determination is made.

Jul 13, 2008 | 2001 Toyota Corolla

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