Conditions for Running the DTC
WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0068
- The engine speed is greater than 800 RPM.
- The ignition voltage is greater than 6. 5 V.
- The DTC runs continuously when the above conditions are met.
DTC P1101
- Before the ECM can report that DTC P1101 failed, DTCs P0112, P0113, P0114, P0117, P0118, and P0119 must run and pass.
- DTC P0101, P0102, P0103, P0106, P0107, P0108, P0111, P0112, P0113, P0114. P0116, P0117, P0118, P0119, P0335, or P0336 is not set
- The engine speed is between 450 - 5, 600 RPM
- The engine coolant temperature (ECT) is between -7 to +129°C (+19 to +264°F).
- The intake air temperature (IAT) sensor 1 is between -20 to +125°C (-4 to +257°F).
- The DTC runs continuously when the above conditions are met.