TSB230020
Service Bulletin Details
Public Details for: TSB230020
This technical service bulletin describes the verification and resolution of the issue of variable geometry turbocharger (vgt) actuators that have been improperly diagnosed as faulty after incorrect install or calibration steps were perform
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Variable Geometry Turbocharger (VGT) Electronic Actuator Installation and Calibration ... Page 1 of 3 Technical Service Bulletin Technical Service Bulletin: Released Date: 03-Apr-2023 TSB230020 Variable Geometry Turbocharger (VGT) Electronic Actuator Installation and Calibration Did Not Pass Variable Geometry Turbocharger (VGT) Electronic Actuator Installation and Calibration Did Not Pass Warranty Statement The information in this document has no effect on present warranty coverage or repair practices, nor does it authorize TRP or Campaign actions. Contents Product Affected • • • • • • • • • • • • • • • • • B6.7 CM2350 B121B B6.7 CM2350 B135B B6.7 CM2350 B136C B6.7 CM2350 B148B Stop-Start Applications B6.7 CM2350 B157C B6.7 CM2450 B155B ISB6.7 CM2350 B101 ISB6.7 CM2350 B103 ISB6.7 CM2350 B142 ISL9 CM2350 L101 ISL9 CM2350 L111 L9 CM2350 L116B L9 CM2350 L119B L9 CM2350 L120C L9 CM2350 L123B L9 CM2350 L129C L9 CM2350 L133C https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2023/tsb230020.html 4/14/2023 Variable Geometry Turbocharger (VGT) Electronic Actuator Installation and Calibration ... Page 2 of 3 • • • • • • • L9 CM2450 L126B X12 CM2350 X119B X12 CM2450 X137B X15 CM2350 X114B X15 CM2350 X116B X15 CM2450 X124B X15 CM2450 X134B Issue Summary Variable geometry turbocharger (VGT) actuators have been improperly diagnosed as faulty after incorrect install or calibration steps were performed. Symptom: • “Failed” message received on VGT Electronic Actuator Installation and Calibration test in INSITE™ electronic service tool • Active Fault Code 6432, 2449, or 1898 Root Causes: • The VGT actuator was mounted to the turbocharger during the Install Actuator step. • Improper alignment of turbocharger sector gear on the turbocharger while mounting the VGT electronic actuator. Resolution • See corresponding Service Manual. Reference Procedure 010-134 in Section 10. Reference video link below. • If VGT electronic actuator Install or Calibrate steps do not pass, the installation procedure must be started over from the beginning. • The VGT electronic actuator must be removed, unplugged for 30 seconds, and the turbocharger sector gear placed into the correct fully clockwise position. • If unsuccessful after two attempts, contact 1-800-CUMMINS™ to escalate this issue. Note : http://tsb.cumminsvirtualcollege.com/230020_en.aspx (http://tsb.cumminsvirtualcollege.com/230020_en.aspx) Document History Date 2023-2-6 Details Module Created https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2023/tsb230020.html 4/14/2023 Variable Geometry Turbocharger (VGT) Electronic Actuator Installation and Calibration ... Page 3 of 3 Date Details 2023-3-16 Added Fault Code 1898. 2023-3-31 Added video link. Last Modified: 03-Apr-2023 https://quickserve.cummins.com/qs3/pubsys2/xml/en/tsb/2023/tsb230020.html 4/14/2023