FAULT CODE 2636 VGT Actuator Driver Circuit - Abnormal ...

View Related TopicOverviewCircuit DescriptionThe variable geometry turbocharger (VGT) is electronically activated by the VGT Actuator . TheVGT Actuator is a smart device that receives information via the J1939 data link from theprimary engine electronic control module (ECM). The VGT Actuator performs its owndiagnostics and reports failures back to the primary engine ECM, using the J1939 data LocationThe VGT Actuator is located on the turbocharger bearing to Procedure 100-002in Section diagnostic runs continuously when the keyswitch is in the ON position or when the engineis CODE 2636 vgt actuator driver circuit - Abnormal Update RateCODEREASONEFFECTF ault Code:2636 PID: S027 SPN:641 FMI: 9/9 LAMP: RedSRT:VGT Actuator Driver Circuit - Abnormal UpdateRate. No communications on the J1939 data linkbetween the engine ECM and the smart VGT will moveto the default , ISC, and ISL-VGT Actuator CircuitPage1of22 VGT Actuator Driver Circuit - Abnormal Update Rate2/9/201210:46:45 PMThe primary engine ECM doesnotreceive a valid J1939 message from the VGT Actuator formore than 1 second.

Guided Step 2B - Check the J1939 data link resistor termination resistance inside the VGT actuator. Clean the connector and pins. Repair the damaged harness, connector, or pins, if possible. Refer to Procedure 019-043 in Section 19.

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  Drivers, Circuit, Actuator, 6326, 2636 vgt actuator driver circuit

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