Question about 2006 Ford F-250 Super Duty

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My f250 6.0 wont start in less u use starting fluid and a code comes tcu fault

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What is the code? have you checked the in fuel tank electric fuel pump to see if it is producing pressure in the fuel supply rail to the fuel injectors?

Posted on Feb 23, 2012

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Is ok to use starter fluid in a 2002 oldmoble intrege


Hi. easy start/starting fluid is never a good fix but if used properly wont do any harm but wont cure the underlying fault, You will need to have the fault properly diagnosed. on a diesel you are better off using penetrating oil as it does the same job but is less aggressive and I have used auto electrical cleaner on petrol cars before for the same reason. Jon

May 03, 2014 | 2002 Oldsmobile Intrigue

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Check engine light came on


What do you mean "can't find code"? If the check engine light is on, there is a fault code stored in your onboard computer - that's the way it works. If you are using a generic OBD code reader, that is most likely the reason you cannot find any codes. You need to use a scanner that has the correct software to access your ENTIRE computer network, not just the "continuous memory" or "generic" side of your computer system.

The window problem is a seperate problem and must be diagnosed accordingly.

Apr 23, 2012 | Daewoo Matiz Cars & Trucks

1 Answer

Hi, I have preveously send fixya.com a problem case as follows :"I have a 2007 Kia Carens (Rondo) 2000cc with 4 speed automatic transmission, sometimes the gear stuck on 1st speed and sometimes it...


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Regarding the problem, refilling transmission fluid is only forst step in troubleshooting.

The problem is often either the shifter console, the transmission control unit (TCU computer module), or a faulty transmission box itself.

Next step in troubleshooting is doing a code scanning. An OBD II code scanning can be done at home or at any garage, but to do a complete code scanning that includes scanning of transmission control module you need a Vag Com tool. This is expensive and it is available only at the dealer place or at a VW/Kia authorized garage. Scanning is usually billed half hour labour, and it is not expensive.

I wrote an article on same problem here. Disregard the part on "stuck in park". Article was originally written for Mercedes. Things are not too different with the Kia carens tranny.

Job is carried doing in order:

  1. OBDII code scanning, then TCU scanning.Testing for fault indicated in codes if needed.
  2. Bleeding and refilling transmission fluid.
  3. Removing cover and checking shifter lever state and conditions.
  4. Checking for tranny fluid leaks in vacuum system.
  5. Testing the TPS (throttle position sensor).
  6. Checking transmission shift solenoids (in valve body), wiring and TCU operations.
  7. Checking the transaxle itself for malfunctions.
Job bill may start from one or two hours garage if you have some silly problem like faulty TPS, and if problem is spotted at start. Repair can get very expensive if you have for example a defective gearbox.

Regards.

Ginko.

Nov 04, 2010 | Kia Rondo Cars & Trucks

1 Answer

Had a tcm problem, put a new one in and now my car wont start. im getting a flashing d4 light?


If D4 blinking means that the TCU (transmission control unit) has detected a fault and stored a fault code. The good news is that there are only four electrical gizmos in the tranny (plus the TCU) thus should be easy to find. To get the fault code: short the blue, two prong ’service check connector’ located behind the passenger foot kick panel (aligator clip usually works well) Turn on ign (do not start). Count the flashes of the D4 and check engine light.

Also, this problem can be solved by replacing an AT Control Unit, which is located underneath the passenger side floorboard. There are two computers underneath the floorboard. It is the one on the right, the smaller unit.

Keep in mind that the numbers must match exactly. The numbers vary according to whether the car is an LX, DX or EX. Simply disconnect the battery, take out the two plugs that plug into the bottom of the computer, and replace the unit. The problem should be solved. The Control Unit can be purchased from a salvage yard for $50-100. We think that the numbers match on 90-93 and are therefore interchangeable.

Tell us news.

Jun 24, 2010 | 1992 Honda Accord

1 Answer

Auto transmission will not shift gears


Get diagnostics done and if you will get code P0741 - This trouble code is about damper clutch, which improves fuel economy by matching power transmission effectiveness of automatic transmission Damper clutch consists of control valve and solenoid valve which converts electric signal to hydraulic signal by the TCU signal. Corresponding code will be displayed under following conditions when damper clutch is operated form TCU lock-up output time. -when the difference between engine revolution and input shaft revolution has been below 160 RPM. Torque converter solenoid (TCU) is the last thing you should look at to replace, the cause of its failure might be in a different area like worn seals. Nevertheless it is a serious malfunction of a gearbox as further usage may end in a complete gearbox failure and the only solution you will be left with is to rebuild the gearbox or get a new one. Before you start buying parts you should closlely inspect the inner cover seals for uneven wear or possible damage, short cicuit will be caused by fluid passed onto electric connection,

Apr 29, 2010 | 2000 Kia Sephia

1 Answer

Intermittent Gearbox Fault


Suggest you get the TCU codes read (Jaguar dealer or well equipped auto box specialist). Suggest you don't go component changing without a believable diagnosis, could be TCU, could be pressure or speed/load sensors, lots of things, many not as expensive as a new TCU!

Jul 15, 2009 | 2001 Jaguar XJ8

1 Answer

Where is the tcu in a 2002 honda accord


it is the Transmission Control Unit. you have to find the reason why the TCU is flashing the D4 fault code. not replace the unit. have your vehicle scanned for another code. your transmission or transaxle is giving you a warning that something is wrong .

Nov 20, 2008 | 1992 Honda Accord

1 Answer

'S' BUTTON LIGHT ON DASH


It is your transmission control unit (TCU) This is located under the passenger rug next to the main computer. I just purchased a reconditioned TCU for my 91 accord from an ebay seller called allcomputerresources. If he does not list a 91 accord TCU, then contact him to see if he can get one quickly. He will send it, and then you send the old one in as a core. My unit is running fine, and costs considerably less than from a dealer.

Oct 29, 2008 | 1991 Honda Accord

3 Answers

Down shifting


check Transmission fluid is very important to an automatic transmission. All of the magic happens in the fluid. Most cars come with red transmission fluid, good to know if you are looking for a leak.

Sep 29, 2008 | 2001 Audi A6

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