Emissions Related DTCs
Action Taken When the DTC Sets - Type A
The control module illuminates the malfunction indicator lamp (MIL) when the
diagnostic runs and fails.
Action Taken When the DTC Sets - Type B
The control module illuminates the MIL on the second consecutive ignition cycle
that the diagnostic runs and fails.
Conditions for Clearing the MIL/DTC - Type A or Type B
| • | The control module turns OFF the MIL after 3 consecutive ignition
cycles that the diagnostic runs and does not fail. |
| • | A current DTC Last Test Failed clears when the diagnostic runs and passes. |
| • | Use a scan tool in order to clear the MIL and the DTC. |
Non-Emissions Related DTCs
Action Taken When the DTC Sets - Type C
| • | The control module stores the DTC information into memory when the diagnostic
runs and fails. |
| • | The MIL will not illuminate. |
| • | The Service Vehicle Soon indicator on the instrument panel may illuminate. |
Action Taken When the DTC Sets - Type D
| • | The control module stores the DTC information into memory when the diagnostic
runs and fails. |
| • | The MIL will not illuminate. |
Conditions for Clearing the DTC - Type C or Type D
| • | A last test failed, or current DTC, clears when the diagnostic runs and
passes. |
| • | Use a scan tool in order to clear the DTC. |
