Hummer H2 DF023 Engine Trouble Code
When your car's 'Hummer H2 DF023 Check Engine' light comes on, it's usually accompanied by a sinking feeling in the pit of your stomach. The light could mean a costly problem, like a bad catalytic converter, or it could be something minor, like a loose gas cap. But in many cases, it means at minimum that you'll be visiting the car dealer to locate the malfunction and get the light turned off.
Hummer H2 DF023 Code Meaning :
For Engine
Injector Circuit Malfunction - Cylinders
Cylinder 10 Contribution/balance Fault
Exhaust Gas Recirculation Sensor B Circuit High

When you check Hummer H2 car engine light came on code DF023 the reason should be . However manufacturer may have a different definition for the DF023 . So you should chech it on our car models.
DF023 Description
DF023 engine trouble code is about Exhaust Gas Recirculation Sensor B Circuit High.Reason For DF023 Code
The reason of DF023 OBD-II Engine Trouble Code is Injector Circuit Malfunction - Cylinders.DF023 code on vehicles with electronically controlled automatic transmissions, the 3-4 shift solenoid is responsible for actuating the hydraulic circuits to activate clutches or bands that change gears inside the automatic transmission.
DF022 Previous Engine Trouble Code For Hummer H2 | Next Engine Trouble Code For Hummer H2 DF024 |