O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2
2016-2016 Ford Explorer 3.5L V6 EcoBoost
The 2016 Ford Explorer is equipped with a 3.5L V6 turbocharged gasoline engine. Below you'll find detailed p0041 diagnostic code information including labor time estimates, cost ranges, and technician notes specific to this engine configuration.
Description
The downstream O2 sensor signals for Bank 1 and Bank 2 appear to be swapped.
Symptoms
- Check Engine Light
- Incorrect catalyst monitoring
- Failed emissions
Common Causes
- Sensor connectors swapped
- Wiring crossed after service
Diagnostic Steps
- Verify downstream sensor connections
- Trace wiring to PCM
Repair Notes
Correct the sensor connector routing.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P0041 on Other Vehicles
Common Questions
What does code P0041 mean on a 2016-2016 Ford Explorer?
P0041 stands for "O2 Sensor Signals Swapped Bank 1 Sensor 2 / Bank 2 Sensor 2". The downstream O2 sensor signals for Bank 1 and Bank 2 appear to be swapped.
What are the symptoms of P0041 on a Ford Explorer?
Common symptoms of P0041 include: Check Engine Light, Incorrect catalyst monitoring, Failed emissions.
What causes P0041 on a 2016-2016 Ford Explorer?
Common causes of P0041 include: Sensor connectors swapped, Wiring crossed after service.
Last updated: March 2026
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