Checking software
NOTE:
The information below only applies to modal year 2003-2004.
For other model years, select the alternative "No".
It may be possible to remedy the fault by downloading new software into the control module.
Action
- Go to the tab software and program the control module with the latest software.
Other information
- For more information, see Design and Function.
Has the fault been remedied?
- YES
OKAY: Troubleshooting has been completed.
- NO
Refer to DTC status ECM-2120, front heated oxygen sensor (HO2S), control