What Does the Engine Code P2806 Mean?

If your car is showing the P2806 engine code, you’re dealing with a problem with your transmission range sensor.
Written by Anthony William
Reviewed by Melanie Reiff
If your car is showing the P2806 engine code, your transmission range sensor is not properly aligned. Drivers should get the issue fixed as soon as possible to avoid structural damage to their vehicles and safety issues on the road.
Diagnostic trouble codes (DTCs) can alert you to a variety of problems with your car’s engine. If you own an OBD-II code reader, you’ll be able to
understand your car's OBD codes
to easily diagnose the problem and pursue the proper repairs.
Car insurance
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can assist you when it comes to providing information on DTCs (and serious savings on your insurance policy). In this article, we’re outlining what the P2806 engine code means, how to deal with it, and how much it costs to fix. 

What does the engine code P2806 mean?

Definition: Transmission range sensor alignment issue
The P2806 engine code indicates a problem with your car’s transmission range sensor alignment, a key component that tells the transmission control module (TCM) when your transmission is in a certain gear (park, neutral, drive, low, etc.).
If the TCM detects that the sensor is adjusted incorrectly, it will trigger code P2806.

How much will it cost to fix?

Auto repair shops traditionally charge between $75 to $150 per hour to address any issues related to a P2806 engine code. 

What can cause the P2806 engine code?

If your car is showing the P2806 engine code, it’s likely that the transmission range sensor is no longer properly aligned.
Other potential issues that could cause this engine code include:
  • A faulty transmission range sensor
  • The transmission range sensor harness is shorted or open
  • The transmission range sensor circuit has a poor electrical connection
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Common symptoms of the P2806 engine code

You may not see many symptoms accompanying this engine code other than the check engine light turning on. Other potential signs to watch for include:
  • Increased gas consumption
  • Transmission having trouble shifting properly or not shifting at all
You may also find that your car is frequently stalling or that it’s hard to start the engine if you have a clogged catalytic converter

How serious is the P2806 engine code?

The P2806 engine code, if indicative of faulty transmission, can have direct consequences on the drivability of your car.
Any vehicle that loses the ability to shift gears properly has become a danger to its driver and others on the road and needs to be taken to a mechanic immediately. 

Can I fix the P2806 engine code myself?

Repairing the P2806 engine code at home is probably a tall order if you don’t have the proper tools and experience, but you can inspect your vehicle to diagnose the problem before you take your car to a trained professional:
  • Inspect the wiring harness and connector 
  • Look for components that seem to be broken or damaged 
  • Check for bent, broken, or corroded connector pins
If you see any of these telltale signs of a transmission range sensor alignment issue, bring your car to a mechanic for a comprehensive inspection immediately.

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