[zmm756]

Anyone know what this code is? Cant find a dtc list or a similar thread. The truck is my dads LML and it is completely bone stock.

 

[llymanual]

its a DTC P10CE: Exhaust Aftertreatment Fuel Injector High Control Circuit High Voltage

 

[llymanual]

has the vehicle been in to a gm service shop for the update programming