Code Enable Criteria
- DTC P0121, P0122 or P0123 is not set.
- Engine speed variation is less than 125 RPM.
- Any change in idle air control position is less than 15 counts.
- Engine speed is 1000-4000 RPM.
- Throttle position sensor variation is less than 4 percent.
- Any change in EGR position is less than 10 grams/sec.
- Torque converter clutch is unchanged for 3 seconds.
- Brake switch is off for 3 seconds.
- A/C clutch state is unchanged for 2 seconds.
- Traction control is not active.
- Engine overtemp protection is not active.