Monitors, Trips, Drive Cycles and Readiness Codes

Inspection/Maintenance System Check

Refer to the appropriate diagnostic procedure below for the vehicle being serviced.

* Inspection/Maintenance System Check Inspection/Maintenance System Check for the 4.8L, 5.3L, 6.0L, 6.2L or 7.0L engine

* Inspection/Maintenance System Check Inspection/Maintenance System Check for the Hybrid (HP2) 6.0L (LZ1) engine