1999 Ford Explorer won't start. Won't even turn over. Replaced the starter but it still wouldn't start. Had diagnostic done and said it's the Transmission Range Sensor. Will I need a new transmission?
You should not need a new transmission unless you have some sort of a slip/hard shift issue. The range sensor bolts to your transmission at the site of the shift shaft/shift cable attachment point. There is a circuit that goes through the range sensor that disables the starter if it thinks your vehicle is in gear.
No you won't need to replace the transmission the Digital Transmission Range Sensor isn't inside of the transmission and can be replaced fairly easily.
Here is a link to the instruction for the replacement
How to replace a DTR sensor
SOURCE: ford contour 2000
The range sensor is located just to the left of the battery on the automatic transaxle. It is connected with 2 bolts.
SOURCE: 1996 ford contour transmission range sensor
Transmission range sensor and neutral safety switch are the same thing (when you go to buy the part). It's at the top of your transmission. You'll see the shifting cable connected to it. Here are the instructions for adjustment:
Shift Control Linkage
The transmission shift linkage adjustments must be performed in the order in which they appear.
Column Shift
Place transaxle range selector lever in (D) (OVERDRIVE) position or D (DRIVE) position on vehicles equipped with a transmission control switch (TCS). A weight of 1.4 kg (3 lb) should be hung on the transaxle range selector lever to ensure the lever is located firmly on the (D) (OVERDRIVE) or D (DRIVE) position on vehicles equipped with a transmission control switch (TCS) detent.
Loosen manual control lever-to-control cable retaining nut.
Move transaxle manual control lever to OVERDRIVE position or D (DRIVE) position on vehicles equipped with a transmission control switch (TCS), second detent from most rearward position.
Tighten retaining nut to 17-23 Nm (13-17 lb-ft). Check operation of transaxle in each transmission range position. Make sure that park mechanism and transmission range (TR) sensor are functioning properly.
Floor Shift
Position transaxle range selector lever in DRIVE position against rearward stop. The floor transaxle range selector lever must be held in the rearward position using a constant force of 1.4 kg (3 lb) while linkage is being adjusted.
Loosen manual control lever-to-control cable retaining nut.
Move transaxle manual control lever to DRIVE position, second detent from most rearward position.
Tighten retaining nut to 17-23 Nm (13-17 lb-ft).
Check operation of transaxle in each transmission range position. Make sure that park mechanism and transmission range (TR) sensor are functioning properly.
To take it off, it's a couple of retaining bolts and a wiring harness.
SOURCE: replacing the transmission range sensor Suzuki Reno
Nope, disconnect the battery before install and reconnect it when your done.
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SOURCE: p1744 enginge code tcc solenoid circuit
DTC P1744 is "TCC - Excessive Slip
Detected During Full TCC Engagement". Which means that the Torque
Converter Clutch (TCC) is disengaged or the EPC pressure is at the
minimum.
The most likely cause is a sticking or
bad TCC solenoid inside the transmission. You can check the connector
at the transmission to make sure it is clean and tight and that it is
not damaged in any way.
If the TCC and wiring is okay, then pressure testing of the transmission will need to be done.
A new torque converter from Ford is about
$265.00 and about 4 hours labor. Throw in a $40.00 TCC solenoid and I
don't think it'll be more than $700.00 at worst.
If the pressure test is good then it's just going to be the $40.00 tcc solenoid and the cost of the transmission oil and filter changed which should be around $150.00
Good luck and hope it's just a loose wire harness to the solenoid which would cost $0.00 and just your time to locate the break in the wire. The other thing to, is to add a transmission fluid additive that would restore the clutch pack in the transmission and Torque Converter.
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SOURCE: how can i fix my mazda 626 transmission range
The transmission range sensor aka neutral safety switch is located underneath the air filter on top of the transaxle and very easy to access. Replace this part (around $50) and it will solve your problem.
What happens is this, when your tranny warms up, it disperses heat to the sensor switch and if its faulty or worn out, will send faulty relays to the transmissiom computer module (TCM) and makes the transmission shift irratically (OD to 3rd and back while driving at freeway speeds). You tranny is not overheating like most people believe, its the switch. Mechanics are telling alot of people that their tranny needs replaced. Watch Out For These People!! They only want your money!!
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