Cummins ISM11 CM876 & ISZ13 CM2150 Electronic Control System Troubleshooting and Repair Manual

The ISM11 and ISZ13 are heavy-duty engines built by Xi'an Cummins for trucks, dump trucks, buses and construction machinery. English-language service information for them can be hard to find.

This manual covers fault code diagnosis and symptom-based troubleshooting, ECM pinouts and sensor circuits for the CM876-SN (ISM11) and CM2150 (ISZ13), diagnostic steps for the fuel system, sensors and actuators, and wiring and connector repair.

What the manual covers

• Fault code diagnosis and symptom-based troubleshooting
• CM876-SN and CM2150 ECM pinouts and sensor circuits
• Fuel system, sensor and actuator diagnostics
• Wiring and connector repair

Compatibility

• Models: ISM11 with CM876-SN, ISZ13 with CM2150
• Engines: ISM11: 10.8 L inline six. ISZ13: 13 L
• Built by: Xi'an Cummins
• Manual type: Electronic control system troubleshooting and repair

Before you buy

Check both the engine model and the ECM label against the models listed here before you order.

Your engine's dataplate shows the engine model, the engine serial number (ESN) and the CPL number. Compare those with the models above. If you're not sure, email us the dataplate details and we'll check for you.

File format

Digital download, delivered as a ZIP file. Unzip it before opening. Opens on a computer, tablet or phone.

We're an independent seller and are not affiliated with or endorsed by Cummins. Brand and model names are used only to identify the engines this manual covers.