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Fault code TCU 3. Eaton Fuller smart shift 10 speed. What is fault code TCU 3? Please respond to saslives@hotmail.com

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Eaton fuller to speed won't stay in reverse


there's an online store www.reliable-store.com where you can get info on all vehicles, heavy equipment, engines right from service instructions, repair instructions, parts info, wiring diagram, torque specs, electrical, fuse diagrams, error/fault codes everything

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I have a Easton fuller 13 speed that won't shift side to side


It is a eaton fuller and it sounds like something is between the linkage rods.

Oct 14, 2017 | Cars & Trucks

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My eaton fuller transmission wont shift past 5th when it tries to get into 6th gear it just makes a grinding noise


how many gears in this transmission remembering that Eaton make from 5 speeds up to 21 speeds in their range of transmissions
so if you have a 9 speed box and attempt to select 6 gear without using the range change you will be selecting probably first again
Don't assume that everybody knows what box you have so include all make , model year , equipment application in your posts as they are not linked

Sep 08, 2017 | Cars & Trucks

1 Answer

92 honda lx automatic is surging, not shifting right


Can be a few things. 1) Check the shift solenoids on top of the transmission (front). Remove them and clean out the screens. This would mean your transmission fluid is over due for changing. 2) Maybe it's the Vehicle Speed Sensor (VSS), locate and change that. It's on top of the transmission back under the thermostat area. 3) It could be your Transmission Control Unit (TCU). It's under the floor carpet on your passenger side near the firewall. There is a metal plater covering your ECU and your TCU. The TCU is the smaller box. Remove it, open it and look for burnt items. If you're handy you can replace those items. If you are replacing the unit, make sure it is from a known good one and it matches your car exactly, ie: EX, LX, DX, SE, sport shift button present?, etc... on the circuit board.

Below is a picture of the TCU opened up, here are the transmission codes that your car can display if you are inclined to jump the OBD wire plug to get the reading.

TCU Codes:

CODE LIST:

1-Lock-up solenoid 'A' circuit open or shorted.
2-Lock-up solenoid 'B' circuit open or shorted.
3-Throttle Position Sensor circuit open or shorted.
4-Vehicle Speed Sensor open or shorted - No signal from speedometer.
5-Shift Lever Position Switch circuit shorted.
6-Shift Lever Position Switch circuit open.
7-Shift Solenoid 'A' circuit open or shorted.
8-Shift Solenoid 'B' circuit open or shorted.
9-Counter shaft or transmission speed pulse generator open or shorted.
10-Coolant Temperature Sensor open or shorted.
11-Engine RPM (Ignition coil signal) open or shorted.
12-(No code 12 used)
13-Main shaft speed pulse generator open or shorted.
14-Linear (line pressure control) solenoid open or shorted.
15-Kick down switch circuit shorted.

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Oct 12, 2013 | 1992 Honda Accord

2 Answers

Transmission wont shift from high side too low side/ fuller 9speed


Have you Checked your Vacuum Line ? This is the most common issue with the High / Low Problems,....

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1992 honda accord tcu help


The first thing you need done is to have a tranny repair shop scan the "TCM" (not TCU) for fault codes.

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3 Answers

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.

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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

Same as above...


your fault code says that the turbine shaft speed sensor (tss) has no signal.on this vehicles each and every sensor is important as they communicate to the ecu threw a can system which in turn communicate to the tcu (transmission) funny things will happen if the line of communication is disrupted pls respond on your findings

Jul 13, 2009 | 2003 Hyundai Tiburon

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