Fault Code 115 (Engine Position Sensor – Lost both CKP and CMP) Solution: Look at the "Engine Harness" section of the PDF. You will see a splice point (S-101) where the +5V supply splits to both sensors. If that splice corrodes, both sensors fail simultaneously.
That blueprint is the .
The Ultimate Guide to the Cummins QSM11 Wiring Diagram PDF: Diagnostics, ECM Pinouts, and Troubleshooting
April 16, 2026 | Category: Diesel Engine Electronics