How to Diagnose and Fix Cummins ISX CM 871 Code 1117

Fix Cummins ISX CM 871 is commonly plagued by code 1117. This issue is particularly prevalent in models from 2008 to 2010.

What does code 1117 mean?

When this code appears, it indicates a disruption in the battery supply while the ignition was in the “on” position. This often results in the truck shutting down and refusing to restart.

How to troubleshoot code 1117:

A temporary solution involves allowing the truck to cool down before attempting to restart it. However, if the underlying issue isn’t addressed, the truck may shut down again after a few minutes.

Recommendations:

• Cooling down: Let the truck cool down before trying to restart.
• ECM diagnostics: Conduct tests on the Engine Control Module (ECM) to pinpoint the root cause.
• Component inspection: Inspect the batteries, wiring, and other related components for any faults.

Need more help?

If you’re unable to resolve the issue independently, consider sending the ECM to a specialized technician for diagnosis and repair. Alternatively, you can request a troubleshooting guide to perform necessary checks.

Remember: Promptly addressing code 1117 is essential to prevent further complications and ensure optimal performance of your truck.

Additional tips for a more comprehensive blog post:

• Include visuals: Use images or diagrams to illustrate the components involved and the troubleshooting process.
• Provide links: Link to relevant resources, such as Cummins’ official website or forums, for more detailed information.
• Address potential causes: Discuss common causes of code 1117, such as faulty batteries, wiring issues, or ECM malfunctions.
• Offer preventive measures: Suggest ways to prevent code 1117 from recurring, like regular maintenance and inspections.