Conditions for Running the DTC
WARNING: This page is about a different car, the 2016 GMC Acadia, 2016 Chevrolet Traverse, and 2016 Buick Enclave. However, it is still accessible from the selected car via links, so may be relevant.
P129B
- Engine is running.
- Ignition voltage is between 9-32 V.
- Fuel pump enable circuit is commanded ON.
- The DTC runs continuously when the above conditions are met.
P129C
- Ignition voltage is between 9-32 V.
- Fuel pump enable circuit is commanded ON.
- The DTC runs continuously when the above conditions are met.