Skip the auto shop - Our mechanics make house calls

P0707 OBD-II Trouble Code: Transmission Range Sensor Circuit Low Input

check engine light logo

P0707 code definition

P0707 is a generic OBD2 trouble code that points to a fault within the transmission range sensor. This code may be seen with various other transmission codes.

What the P0707 code means

The P0707 diagnostic trouble code means the transmission range sensor circuit has low voltage input. The ECU looks for a specific range of voltage in the transmission range sensor and when the voltage input is low the ECU sets a Check Engine Light on the dashboard.

What causes the P0707 code?

  • Transmission range sensor has failed
  • Open or short in the wiring harness
  • Park/neutral position switch has failed
  • Poor electrical connection
  • Misadjusted transmission park/neutral position switch

What are the symptoms of the P0707 code?

There can be a wide range of symptoms found with the P0707 code. Some vehicles may only exhibit the Check Engine Light on the dashboard. Other vehicles may experience problems like not being able to shift properly, not being able start, or a decrease in fuel economy.

How does a mechanic diagnose the P0707 code?

  • Uses a scan tool to check for any codes current, history, or pending
  • Notes the freeze frame data from each code
  • Clears the codes
  • Takes the vehicle on a test drive to confirm the fault
  • Performs a visual inspection for any misaligned shifter linkages, worn or broken wiring, damaged components, and transmission fluid level/condition
  • Uses a scan tool to monitor the operation of the transmission range sensor
  • Uses a multimeter to check the voltage of the transmission range sensor

Common mistakes when diagnosing the P0707 code

  • Not checking and overlooking simple causes such as dirty transmission fluid or misadjusted position sensor, and replacing components that are working properly

  • Not following steps in the right order and not completing all steps that need to be completed for an accurate diagnosis

How serious is the P0707 code?

P0707 can cause the vehicle not to start due to the ECU thinking the transmission is in the wrong gear. In other cases the vehicle may run fine but wont shift properly. Both of these cases should be repaired as soon as possible to avoid further issues.

What repairs can fix the P0707 code?

  • Replacing the transmission fluid
  • Replacing the transmission range switch
  • Repairing an open or short in the wiring harness or replacing it
  • Repairing or replacing the park/neutral position switch
  • Repairing or replacing broken electrical connections

Additional comments for consideration regarding the P0707 code

The transmission range switch is generally inside the transmission Park / Neutral position switch. These parts are usually replaced as a unit as they are not sold separately. The park neutral switch is used by the ECU to make sure the vehicle is in a safe gear before it will allow the vehicle to start.

An advanced level scan tool is extremely useful when diagnosing the P0707 code. Scan tools such as these allow technicians to view information that is critical to determine which components are working properly.

Need help with a P0707 code?

YourMechanic offers certified mobile mechanics who will come to your home or office to diagnose and repair your vehicle. Get a quote and book an appointment online or speak to a service advisor at 1-800-701-6230.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details
Icon-warranty_badge-02

Skip the repair shop, our top-rated mechanics come to you.

At your home or office

Choose from 600+ repair, maintenance & diagnostic services. Our top-rated mechanics bring all parts & tools to your location.

Fair & transparent pricing

See labor & parts costs upfront, so you can book with confidence.

12-month, 12,000-mile warranty

Our services are backed by a 12-month, 12,000-mile warranty for your peace of mind.

Get A Quote

Need Help With Your Car?

Our certified mobile mechanics make house calls in over 2,000 U.S. cities. Fast, free online quotes for your car repair.

GET A QUOTE

More related articles

P0359 OBD-II Trouble Code: Ignition Coil I Primary/Secondary Circuit Malfunction
P0359 code definition The P0359 code indicates that a fault has been detected in one of the vehicle’s ignition coils, generally the number 9 coil. This code can also be associated...
P0608 OBD-II Trouble Code: Control Module VSS Output "A" Malfunction
P0608 means there is an malfunction in the vehicle speed sensor A control module often due too faulty speed sensor or shorted electrical wiring.
P0684 OBD-II Trouble Code: Glow Plug Control Module to PCM Communication Circuit Range/Performance
P0684 code means there is a failing connection within the Glow Plug Control Module often due too corroded wires and solenoid failures.


Related questions

Q: Engine fault reduced power

It sounds like you could have a sticking boost pressure actuator. Unfortunately, YourMechanic does not work on your model vehicle. I suggest having the dealership take a look at it.

Q: The car wouldn't crank, check engine light came on, bad crank position sensor

Hello. If this happened right after moving, then the computer may still need to adjust to the new elevation. The computer has an adaptive memory that must adjust to the elevation. If that is not the cause and if you...

Q: Truck with P0707 code - 2011 Isuzu NQR

Hello - if you are still getting the P0707 code after replacing the range sensor switch, either the new sensor switch is out of adjustment still, or the wiring/connection to that sensor is malfunctioning. I would recommend a transmission selector...