I had ford mugstang with 3.8 engine check engine ligth is on dtc p0705 trans range sensor(prndlinput can u tell me the proedure to fix this also overdrive ligth is on is a ford mugstang with 3.8 engine
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An the auto parts stores just want to sell you a part , just because the code has a sensor name does not mean the part is bad , all sensors have two or three wire's , all coming from the PCM/ECM - engine computer . The electrical circuit could have a open , short to ground , a short to B+ power . The PCM could have a problem . Never change parts without testing . An if that's all you can do , then you need to take it to a qualified repair shop .
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Transmission Range (TR) Switch Circuit
The transmission range (TR) switch is part of the park/neutral position and back-up lamp switch assembly and is externally mounted on the transmission manual shaft. The TR switch is a multi-signal switch. The PCM supplies ignition voltage to the TR switch on four signal circuits (A, B, C, and P). Each gear selector lever position grounds one or more of the switch circuits. In order to determine the gear range selected by the driver, the PCM compares the voltage combinations on the signal circuits to a look up table stored in the PCM memory. PCM detects the selected gear range by the state change of the switch input. Refer to Transmission Range Switch Logic table.
Switch input to the PCM is represented on the scan tool as HI and LOW. HI indicates an ignition voltage signal. LOW indicates a zero voltage signal. The four parameters represent transmission range switch signal A, B, C and Parity.
When the PCM detects an invalid TR switch signal combination, then DTC P0705 sets. DTC P0705 is a type C DTC.
From reading your post an my years of experince your best bet would be to take to a qualified repair shop . You do not have the knowlede or tool's to fix these problems .
Install a Scan Tool .
Turn ON the ignition, with the engine OFF.
Select TR Sw. on the Scan Tool .
With the Scan Tool , observe the TR Sw. display while selecting each transmission range: P, R, N, D3, D2 and D1.
Does each selected transmission range match the Scan Tool TR Sw. display?
Go to Intermittent Conditions in Engine Controls - 2.2 L
Go to Step 3
Hi, you can see a full list of Jeep DTCs here: http://jsautosource.com/factory-manuals/dtc-definitions/full-list-of-all-definitions-for-dodge-chrystler-jeep-dtc-codes/
Your engine light will probably return immediately after clearing the codes until the P0700 is rectified. The 705 indicates your range sensor is out of adjustment or broken. The range sensor is mounted to the side of the transmission where the cable attaches. It may be adjustable. Normally, when the range sensor fails, the starter will not turn, because the sensor provides the park/neutral safety interlock to ensure the transmission is not in gear. Also, the range sensor usually includes the backup light switch. I usually adjust the sensor by putting the transmission in reverse, turning the key on, loosening the switch, and rotating it until the backup lights come on. Please let me know if you have questions and thanks for using FixYa.
OBD Code P1750 = Solenoid Assembly / Manufacturer Control Transmission.
I tell you it is infact your solenoid box assemble is going. What
that does is to tell your transmission when to shift into gears. Im
assuming your car is having a hard time shifting gears and juts need replace this part.
I'll check the Neutral Safety Switch. It's
located on the shift shaft of the trans, and is a common problem. Also
check the wiring leading to the switch, as it is exposed to road grime
and has been known to corrode and melt.
The problem is most likely a PNP(shift position switch) problem. When this happens, the trans goes into limp home mode. The trans goes into high gear and doesn't allow any shifting up or down. This is to protect the trans.
sounds like the trans range sensor or it could be internal trans problem. is the trans shifting ok? if not, it might need an overhaul. the sensor might be something you can tackle but it's on top of the trans right below the air filter housing. it the sensor that the shifter cable is connected to. you'll have to have it in neutral to install it as the sensor has line up marks on it.
Get under the truck and look where the trans shift linkage connects to the trans, there is a post that comes out of the trans, on that post u will see a large switch with multipile wires connected to it, that is the range selector switch, you need to remove the shift arm and a couple of bolts to remove the range switch, it is adjustable, u will see the slots, make sure u put the new switch in the same position as the old one or the truck may not start.