P2256 Acura Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)

P2256 Acura Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)

OBD Code:
System:
Subsystem:
 P2256 Acura – (ASE)
 Powertrain
 Fuel and Air Metering

Trouble Code Description: Oxygen (O2) Sensor Negative Current Control Circuit High (Bank 2 – Sensor 1)


Location:
Analysis:

Possible Causes:

 Oxygen Sensor – Bank 2 – Sensor 1
 End of Range – Circuit Higher Than Expected

 

Tech description:

Acura Vehicle:

Acura ILX, Acura MDX, Acura RDX, Acura RLX, Acura TL, Acura TSX, Acura ZDX, Acura CSX, Acura EL, Acura Integra, Acura RSX, Acura Legend, Acura Vigor, Acura CL, Acura SLX, Acura NSX, Acura RL, Acura ZDX