P2803 — Transmission Range Sensor B Circuit High

What Does P2803 Mean?

P2803 is a diagnostic trouble code indicating: Transmission Range Sensor B Circuit High. This code relates to the powertrain system. It has been reported in NHTSA complaints across 2 different vehicle models.

Symptoms of P2803

⚠️ Check engine light illuminated

Common Causes

🔍 Sensor or control module malfunction

P2803 Reports by Year

2016

1

2019

1

Real Owner Reports

From NHTSA complaint database — actual owner descriptions.

"P2803 & P2800 SENSORS..BOTH SENSORS ARE DEFECTIVE AND THE COST TO REPAIR IS FAR ABOVE FAIR PRICING. HYDRAULIC CONTROL APPROX COST TO REPAIR 4100.00 DOLLARS. THIS IS UNUNFAIR REPAIR COSTS. THIS VEHICLE HAS BEEN MAINTAINED WITH ABOVE AVERAGE CARE AND HAS NOT BEEN MISUSED. CHECKING WEB SITE HAVE"
— Ford Escape owner, 03/08/2016

"MY SERVICE TRANSMISSION WARNING AND CHECK ENGINE LIGHT KEEP COMING ON WITH CODE P2803. SPOKE WITH THE MECHANIC AND HE STATED THIS IS AN ONGOING ISSUE AND SHOULD HAVE A RECALL ISSUED FOR IT AS IT IS AN ONGOING ISSUE WITH JEEP CHEROKEES. THIS HAS HAPPENED SEVERAL TIMES. I PURCHASED THE VEHICLE 7/23/20"
— Jeep Cherokee owner, 09/19/2019

Source: NHTSA Complaints Database

Most Reported Vehicles for P2803

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	FORD ESCAPE
2	JEEP CHEROKEE

Frequently Asked Questions

Can I drive with this code?

It depends on the severity. If the vehicle runs normally, short trips are usually OK. If you notice performance issues, drivability problems, or warning lights beyond the check engine light, get it checked soon.

Will this code clear itself?

Some codes clear automatically after the underlying issue is fixed and several drive cycles pass. But the root cause must be addressed first.

How do I find the exact cause?

A code alone doesn't pinpoint the failed part. You need a diagnostic scan ($50-150 at most shops) that reads freeze frame data and live sensor readings to identify the specific component.

What To Do Next

Possible Fixes

🔧 Have the code scanned with a professional-grade scanner to read freeze frame data
🔧 Test the relevant sensor(s) with a multimeter before replacing
🔧 If DIY repair isn't feasible, get a diagnostic from a trusted mechanic ($50-150)

1
Find your vehicle above
Click your make and model for real owner reports and common causes specific to your vehicle.
2
Check for recalls
Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.
3
Get a professional diagnosis
A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

P2803: Transmission Range Sensor B Circuit High