HomePowertrainFuel & Air Metering (injector circuit) › P2243

P2243 - O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1

P2243 is a generic powertrain diagnostic trouble code indicating O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1. It relates to the Fuel & Air Metering (injector circuit) system.

DTC Breakdown (SAE J2012)

Facts for code P2243
SystemPowertrain (P)
TypeGeneric
SubsystemFuel & Air Metering (injector circuit)
Fault Index43
StandardSAE J2012 / ISO 15031-6

What does diagnostic code P2243 mean?

The dtc/">diagnostic trouble code P2243 represents O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

Detailed diagnostic guides and specific fix procedures for code P2243 are currently being compiled. Always verify check engine warnings with a qualified mechanic.

🔗 Related Diagnostic Codes

Often diagnosed alongside:

Frequently Asked Questions about P2243

What does P2243 mean?

The diagnostic trouble code P2243 represents O2 Sensor Reference Voltage Circuit/Open Bank 1 Sensor 1. This standard generic code points to a monitored fault condition in the vehicle's Powertrain network.

What is the system for P2243?

The P2243 code is located in the vehicle's Powertrain network.

Back to live lookup tool →

Copied code to clipboard!