Conditions for Running the DTC
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2011 GMC Yukon XL, 2011 GMC Yukon, 2011 Chevrolet Tahoe, 2011 Chevrolet Suburban, and 2011 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0667
- No other ECM or TCM DTCs are set.
- Engine speed is 400 RPM or greater for 5 seconds.
- Ignition voltage is 8.6 volts or greater.
- Brake torque is not active.
- Engine torque signal is valid.
- Throttle position signal is valid.
DTC P0668
- Engine speed is 400 RPM or greater for 5 seconds.
- Ignition voltage is 8.6 volts or greater.
DTC P0669
- Engine speed is 400 RPM or greater for 5 seconds.
- Ignition voltage is 8.6 volts or greater.