What It Means
This malfunction means the ELD may not have been powered or available when required during engine-powered operation. The exact device message and workflow can vary by ELD provider.
What To Record
Record the displayed category, event time, driver, vehicle, related prompts, and whether the device shows a malfunction indicator or data diagnostic indicator.
What Drivers Should Do
Follow the motor carrier's and ELD provider's instructions. Verify current FMCSA requirements for recordkeeping, notification, and supporting documents.
What Not To Do
Do not treat the page as legal advice, do not alter records improperly, and do not use this site as a substitute for the ELD provider's official instructions.
Related Pages
Related Fault Code Pages
Sources
- ELD Malfunctions and Data Diagnostic Events Federal Motor Carrier Safety Administration · government · accessed 2026-05-05 · confidence high
Source: Federal Motor Carrier Safety Administration, ELD Malfunctions and Data Diagnostic Events. This page paraphrases factual fields only and is not a substitute for the original document.
Open source - 49 CFR 395.34 - ELD malfunctions and data diagnostic events Electronic Code of Federal Regulations · government · accessed 2026-05-05 · confidence high
Source: Electronic Code of Federal Regulations, 49 CFR 395.34 - ELD malfunctions and data diagnostic events. This page paraphrases factual fields only and is not a substitute for the original document.
Open source - 49 CFR Part 395 Appendix A to Subpart B - Functional Specifications for ELDs Electronic Code of Federal Regulations · government · accessed 2026-05-05 · confidence high
Source: Electronic Code of Federal Regulations, 49 CFR Part 395 Appendix A to Subpart B - Functional Specifications for ELDs. This page paraphrases factual fields only and is not a substitute for the original document.
Open source
FAQ
Is ELD Power Malfunction an engine fault code?
No. It is an ELD compliance or data-quality category, although it may involve vehicle data depending on the device and category.
Can this page replace FMCSA or eCFR text?
No. It is an educational summary. Verify current FMCSA and eCFR requirements for compliance decisions.
Can different ELD providers show Power Malfunction differently?
Yes. The category is regulated, but device screens, prompts, and support workflows vary.