DTC U0230 Dodge
HO2S-22 (Bank 2 Sensor 2) Heater Circuit Malfunction
HO2S-22 (Bank 2 Sensor 2) Heater Circuit Malfunction
Description
Engine started, engine running in closed loop at cruise speed, and the PCM detected the HO2S-22 heater current was less than 0.2 amps, or that is was more than 3.5 amps during the test period.
Cause and Solution
HO2S heater control circuit is open or shorted to groundHO2S heater control circuit is shorted to powerHO2S heater power circuit is open (check fuse in Engine J B)HO2S heater is damaged or has failedPCM has failed
Video Guide
Diagnostic Info
- DTC Code: U0230
- Brand: Dodge