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Tranny service light came on the morning after I bought this car and mechanic read these codes P0700, P0731, P1776, P0841 2 days later all but 1st gear and reverse went out. what could this mean?
Re: Tranny service light came on and mechanic read
It may be a shift solenoid or a speed sensor look up the codes online google your cars year, make ,and model and be sure the fluid is not too low, check the fluid level warm while the motor is running.
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P0700 is a generic transmission code a code reader which reads transmission codes will narrow the code down. P1775 may be from a transmission code reader. found some info on it above.
You will get your solution and all info on service info, repair info, parts info, wiring/electrical/fuse diagrams,
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this website www.reliable-store.com
it's a very good website for vehicle problems even as old as 1991 ford..
I own a 2003 ODY & frequent ODYCLUB.com forums for answers.
General opinion is when these trannys go out, it happens quickly.
But, it never hurts to know your issues and options before taking a dealer mechanic's word. 1.Codes for Low transmission fluid: P0730 & P0780 2.P0700: Sorry, but a dealer has the HONDA diagnostic tool to find the real problem code. P0700 is a generic "transmission error" code used by after-market diagnostics. 3. Check if your "D" is lighting up on the shift indicator.
Here are some helpful links from the ODYCLUB Forum:
Note: Always check for healthy orange colored tranny fluid before re-filling. Black is BURNED and needs replace & might indicate clogged screens or worse.
possible causes Shorted or open circuit within Transmission Control Module (TCM) - Faulty Transmission Control Module (TCM) symptoms - Engine Light ON (or Service Engine Soon Warning Light) - Driveability problems - Transmission shifting problems p0700 description The transaxle Control Module (TCM) monitors the malfunction of sensors and actuators relating to transaxle control. When the TCM detects a malfunction with the control, a signal is send to the Engine Control Module (ECM) to trigger the Engine Light or Service Engine Soon light. The ECM stores the P0700 code and it means the TCM detected a malfunction with the transaxle controls.
your going to ave to get under the SUV, look for the connectors going to the transmission, sounds like one of them is not pushed in all the way, or insted of pullling off the connector the correct way the yanked it by the wires, if you have an "Auto Zone" near by you can stop by there and they can read the codes for you for free, if you need to read the BCM codes you can rent the tool for free, or sometimes they will let you take it in front of the store to use it from 30sec or so. will at least point you in a direction.
If u have an exhaust leak (loud sound) that will affect a lot of the sensor readings. The O2 sensors will not read properly either & set codes. If the leak is large enough u will lose power & the trans wont work properly either & set codes. Just because u have a code, doesn't mean the part is bad. Start w the basics. If there is an exhaust leak, fix that 1st & clear the codes.
It is possible that there are other causes, but if you just want to replace the output speed sensor:
it should be easy enough to find. it will be along the tail shaft pointing perpendicular to the drive shaft. It will have two wires for a harness. simply unplug the sensor, put a drop pan under it in case some fluid drops out. then just wrench it out, install the new one and hook everything back up. check fluid level if applicable... good luck
this code is a transmission code and has a few different tranny sensors that is reads. you could just be low on tranny fluid or is could be the tranny axle speed sensor. odds are if its running fine now it is just low fluid but you could look into the sensor after that. the sensor is what tells the truck when to shift so thats could be why it went up in rpms if the sensor went out bacause then it would know exactly how to shift.
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