Location of input speed sensor on a 2005 jeep grand Cherokee 4x4 3.7liter

Question edited to fix second code.
Grand Cherokee P0700 Code Definition If you are scanning your vehicle right now, you should be looking for a second code that tells you what is actually wrong. Think about it like this.

• P0700 Says- "Hey there's something wrong with this transmission.
• The Next Code(s) Say- "I'm the actual problem going on with the transmission. I'm what you're looking for."

Ways to fix
https://www.google.com/search?q=jeep+grand+cherokee+p0700+problem

And P0038

Jeep P0038 HO2S Heater Control Circuit High Bank 1 Sensor 2

https://www.carobdcodes.com > jeep-p0038-ho2s-heate...
OBD-II Trouble Code Description for P0038 Jeep ... Jeep Grand Cherokee SRT8,2006 Jeep Commander 4×4 Limited 5.7 HEMI,2005 Jeep Wrangler UK Version,2005 Jeep ...

P0038 JEEP Code - O2 Sensor 1/2 Heater Circuit High

https://www.autocodes.com > p0038_jeep
Jul 13, 2020 - Repair Information for P0038 Jeep code. Learn what O2 Sensor 1/2 Heater Circuit High means, location and how to repair?

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INPUT SPEED SENSOR =LEFT OF TRANSMISSION IN MIDDLE CLOSE TO THE BELL.
OUPUT SPEED SENSOR= LEFT OF TRANSMISSION AT REAR

On the transmission, drivers side. In front of the main harness. It is the input speed sensor. small plug.

Hi Daniel: This site has a great pic that should help you: https://www.google.com/search?q=auto+diagrams,+2006+jeep+grand+cherokee+,+input+speed+sensor&biw=1174&bih=493&tbm=isch&imgil=NutTbKwbbJCkDM%253A%253B49jz1kwMg6_erM%253Bhttp%25253A%25252F%25252Fwww.jeepforum.com%25252Fforum%25252Ff310%25252Freplacing-transmission-speed-sensors-287793%25252F&source=iu&pf=m&fir=NutTbKwbbJCkDM%253A%252C49jz1kwMg6_erM%252C_&usg=__q-m30iBaQDcje8kxFpIgBu322Bg%3D&ved=0CCkQyjc&ei=f3NTVZPOD4HOsAXiz4DICA#imgrc=NutTbKwbbJCkDM%253A%3B49jz1kwMg6_erM%3Bhttp%253A%252F%252Fwww.wjjeeps.com%252Fservice%252Ftrans_speed_sensor.jpg%3Bhttp%253A%252F%252Fwww.jeepforum.com%252Fforum%252Ff310%252Freplacing-transmission-speed-sensors-287793%252F%3B576%3B476

This is your input speed sensor, there are 2... one for input one for output.
Photo attached showing location on gearbox/transfer box

Try this.

Ther are more than one type of speed sensor for jeeps....I am chrysler jeep tech...there are 2 speed sensors on the trans and also speed sensors at the wheels (IF IT HAS ABS)...Normally the engine speed is done by an IAC Motor...If you are meaning idle...Can you send more information....
Also you may have a vacum leak..........You have an Input speed sensor and an output speed sensor ....Do you know exactly which it is ....Both are at transmission /If 4 wheel drive see transfer case also.I have the manual at my fingertips and will be glad to assist you with any problems............................I can help................metalpoet

For 1998 Jeep Grand Cherokee 4WD 5.2L MFI 8cyl the Vehicle Speed Sensor is located on Transmission / Transfer case

Check this Service Manual.

Hope this help.

yes it will if the trans controller does not see and input speed it will not shift out of first gear.

1995 Jeep Grand Cherokee 4WD 5.2L MFI 8cyl

The Vehicle Speed Sensor is located in the Transmission / Transfer case.

For more details, can visit the Jeep ZJ Service and Repair Manual.

Good luck. (remember rated this help)