P2278 on Ford Escape
O2 Sensor Signals Swapped Bank 1 Sensor 3/Bank 2 Sensor 3
Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to Ford Escape context without treating complaints as confirmed diagnoses.
Sources: SAE/OBD-II definitions, manufacturer service information, and public reliability reports (including NHTSA where applicable).
- SAE J2012 Diagnostic Trouble Code Definitions — Generic diagnostic trouble code definition reference for P2278.
- NHTSA recalls, complaints, and manufacturer communications — Used to check public owner complaint context, recall status, and safety-related manufacturer communications by VIN or vehicle.
Limits: Guidance is informational and may not match every model-year or revision. Confirm with the official manual and diagnostics before replacing parts. For safety-critical or electrical work, use a qualified technician.
What P2278 Means on Your Ford Escape
P2278 is a diagnostic trouble code indicating: O2 Sensor Signals Swapped Bank 1 Sensor 3/Bank 2 Sensor 3. This code relates to the powertrain system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.
Real Ford Escape Owner Reports
Source: NHTSA Complaints Database
"I have experienced loss of power streering and have a dashboard alert. computer testing states the p2278 streering torquie angle sensor needs to be replaced."
"I had recall for electric power steering completed in december 2015, and then in january 2016 my steering wheel started vibrating/locking. in april power steering went completely out."
"Experienced power steering cutting out intermittently while driving, especially when parking. when this occurred, vehicle was difficult to maneuver at speeds less than 15 mph. dealer notes "replaced steering torque angle sensor" for code p2278."
All reports filed by vehicle owners directly with the U.S. Department of Transportation.
📊 Complaint Trend by Model Year
Common Causes on Ford Escape
Based on NHTSA complaint component analysis for this vehicle.
What To Do Next
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1
Check for recalls on YOUR VIN
Go to nhtsa.gov/recalls and enter your VIN. If your vehicle is covered, repairs are free.
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2
Get a proper diagnosis
A code alone doesn't tell you the exact failed part. A diagnostic at a shop ($50–$150) pinpoints the root cause before you spend money on parts.
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3
Compare repair quotes
Get 2–3 quotes. Dealer vs. independent shop prices often differ 30–50% for the same repair.