Operation CHARM: Car repair manuals for everyone.

Powertrain Management






Accelerator Pedal Position (APP) Sensor (LS4 - 5.3L)






Accelerator Pedal Position (APP) Sensor (LS4 - 5.3L)






Body Control Module (BCM) X1









Body Control Module (BCM) X2









Body Control Module (BCM) X3








Data Link Connector (DLC) (LS4 - 5.3L)





Engine Control Module (ECM) X1 (LS4 - 5.3L)









Engine Control Module (ECM) X2 (LS4 - 5.3L)









Engine Control Module (ECM) X3 (LS4 - 5.3L)








Fuel Pump and Sender Assembly






Fuel Tank Pressure (FTP) Sensor




Heated Oxygen Sensor (HO2S) 1 (LS4 - 5.3L)





Heated Oxygen Sensor (HO2S) 2 (LS4 - 5.3L)






Knock Sensor (KS) 1 (LS4 - 5.3L)






Knock Sensor (KS) 2 (LS4 - 5.3L)






Manifold Absolute Pressure (MAP) Sensor (LS4 - 5.3L)






Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LS4 - 5.3L)






Throttle Actuator Control (TAC) Module (LS4 - 5.3L)





Valve Lifter Oil Manifold (VLOM) Assembly (LS4 - 5.3L)






Vehicle Communication Interface Module (VCIM) - X1 (UE1)






Vehicle Communication Interface Module (VCIM) - X2 (UE1)






Vehicle Communication Interface Module (VCIM) - X3 (UE1 +US4)





Vehicle Speed Sensor (VSS)