P2241: O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 1

Severity

low

NHTSA Reports

Vehicles Affected

System

Powertrain

Last reviewed: Aug 8, 2026 Last updated: Aug 8, 2026

Methodology: Reviewed against the SAE J2012 generic DTC definition and NHTSA owner-complaint patterns, then scoped to generic code level because this page is not scoped to one make or model.

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 P2241.
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 Does P2241 Mean?

P2241 code: O2 Sensor Positive Current Control Circuit Low Bank 2 Sensor 1. Symptoms, likely causes, diagnostic path, severity, and repair cost context.

Symptoms of P2241

⚠️ Warning light or diagnostic trouble code is stored
⚠️ Fuel economy may drop, fuel smell or exhaust smell may increase, or emissions readiness may fail
⚠️ The vehicle may drive normally while the monitor continues to fail
⚠️ Vehicle may fail an emissions or safety inspection until the code is resolved and monitors reset

Common Causes

🔍 Sensor reading, wiring, connector, actuator, emissions, or module condition detected by the control module
🔍 Low battery voltage, poor ground, software, or network issue affecting the related circuit
🔍 Mechanical condition that should be confirmed with live data before replacing parts

Most Reported Vehicles for P2241

Based on NHTSA owner complaint data.

#	Vehicle	Reports
1	TOYOTA TUNDRA

Frequently Asked Questions

Is P2241 enough to replace a part?

No. The code identifies the circuit or system that failed a test, but live data, freeze-frame data, wiring checks, and related codes are needed before replacing parts.

Can I drive with P2241?

It depends on the warning lights and symptoms. Avoid driving if the code is tied to air bags, brakes, severe drivability, overheating, smoke, fuel smell, or reduced power.

What To Do Next

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.