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Home >> Cadillac >> 2019 >> CT6 V >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls And Fuel - 4.2L (LTA) - Diagnostic Information And Procedures (P000A-P04DF) >> Diagnostic Information and Procedures >> DTC P029D, P02A1, P02A5, P02A9, P02AD, P02B1, P02B5, or P02B9 >> Circuit/System Description
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Circuit/System Description

For an overview of the component/system, refer to: Fuel System Description

Component Description
K20 Engine Control Module The control module controls a series of actuators to ensure optimal engine performance. The control module does this by reading values from a variety of sensors, interprets the data and adjusts the engine actuators accordingly.
Q17 Fuel Injector Fuel injectors are solenoid valves that inject fuel either into the intake system or directly into the cylinder. The amount of fuel injected depends on the length of the electrical pulse that is applied.
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