Section 5 (Engine Mechanical - 5.3L (L83) Or 6.2L (L86) - Diagnostic Information And Procedures)
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2018 GMC Yukon XL, 2018 GMC Yukon, 2018 Chevrolet Tahoe, 2018 Chevrolet Suburban, and 2018 Cadillac Escalade ESV. However, it is still accessible from the selected car via links, so may be relevant.
- Diagnostic Information And Procedures
- DTC P06DA, P06DB, P06DC, P06DD: Engine Oil Pressure Control Solenoid Valve
- Diagnostic Instructions
- DTC Descriptor
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Component Testing
- Repair Instructions
- Symptoms - Engine Mechanical
- Base Engine Misfire Without Internal Engine Noises
- Base Engine Misfire With Abnormal Internal Lower Engine Noises
- Base Engine Misfire With Abnormal Valve Train Noise
- Base Engine Misfire with Coolant Consumption
- Base Engine Misfire With Excessive Oil Consumption
- Engine Noise On Start-Up, But Only Lasting A Few Seconds
- Upper Engine Noise, Regardless Of Engine Speed
- Lower Engine Noise, Regardless Of Engine Speed
- Engine Noise Under Load
- Engine Will Not Crank - Crankshaft Will Not Rotate
- Coolant In Combustion Chamber
- Coolant In Engine Oil
- Engine Oil Or Fluid In Coolant Diagnosis
- Cylinder Deactivation (Active Fuel Management) System Diagnosis
- Engine Compression Test
- Cylinder Leakage Test
- Oil Consumption Diagnosis
- Oil Pressure Diagnosis And Testing
- Cylinder Deactivation (Active Fuel Management) Valve Lifter Oil Manifold Diagnosis And Testing
- Camshaft Position Actuator And Solenoid Valve Diagnosis And Testing
- Engine Oil Level Sensor Diagnosis
- Oil Leak Diagnosis
- Crankcase Ventilation System Inspection/Diagnosis
- Drive Belt Chirping, Squeal And Whine Diagnosis
- Drive Belt Rumbling And Vibration Diagnosis
- Drive Belt Falls Off And Excessive Wear Diagnosis
- Drive Belt Tensioner Diagnosis
- DTC P06DA, P06DB, P06DC, P06DD: Engine Oil Pressure Control Solenoid Valve