🔍

P2A06: O2 Sensor Negative Voltage Bank 1 Sensor 1

Severity
Medium
System
Vehicle Systems

What Does P2A06 Mean?

P2A06 is a diagnostic trouble code indicating: O2 Sensor Negative Voltage Bank 1 Sensor 1. This code relates to the vehicle systems system. The vehicle's computer detected a condition outside normal operating parameters and stored this code.

Symptoms of P2A06

Common Causes

Frequently Asked Questions

What does P2A06 mean?
P2A06 indicates: O2 Sensor Negative Voltage Bank 1 Sensor 1. The vehicle's computer has detected that the O2 Sensor Negative Voltage Bank 1 Sensor 1 is not operating within its expected parameters and stored this diagnostic trouble code.
Can I drive with code P2A06?
You can drive short distances for essential trips, but schedule a diagnosis soon. Driving with P2A06 for extended periods may cause additional problems.
How much does it cost to fix P2A06?
Repair costs for P2A06 typically range from $80 to $300, depending on the root cause. Simple wiring or connector repairs are on the lower end, while component replacement costs more. A proper diagnosis ($80–$150 at most shops) will identify the exact cause before committing to expensive parts.

What To Do Next

Possible Fixes

  • 🔧 Inspect O2 Sensor Negative Voltage Bank 1 Sensor 1 and related wiring
  • 🔧 Replace faulty O2 Sensor Negative Voltage Bank 1 Sensor 1
  1. 1
    Find your vehicle above

    Click your make and model for real owner reports and common causes specific to your vehicle.

  2. 2
    Check for recalls

    Go to nhtsa.gov/recalls and enter your VIN. Free repairs if covered.

  3. 3
    Get a professional diagnosis

    A code alone doesn't identify the exact failed part. A diagnostic ($50–$150) pinpoints the root cause.

Related Codes

P2A00 O2 Sensor Circuit Range/Performance Bank 1 Sensor 1 P2A01 O2 Sensor Circuit Range/Performance Bank 1 Sensor 2 P2A02 O2 Sensor Circuit Range/Performance Bank 1 Sensor 3 P2A03 O2 Sensor Circuit Range/Performance Bank 2 Sensor 1 P2A04 O2 Sensor Circuit Range/Performance Bank 2 Sensor 2 P2A05 O2 Sensor Circuit Range/Performance Bank 2 Sensor 3 P2A07 O2 Sensor Negative Voltage Bank 1 Sensor 2 P2A08 O2 Sensor Negative Voltage Bank 1 Sensor 3 P2A09 O2 Sensor Negative Voltage Bank 2 Sensor 1 P2A0A Manifold Absolute Pressure Sensor B Circuit