Code Details
| Display code | ELD Unidentified Driving Records |
|---|---|
| SPN | Not applicable or not verified |
| FMI | Not applicable or not verified |
| OEM code | None listed |
| Manufacturer | FMCSA |
| System | Electronic Logging Device |
| Component | Unidentified driver profile |
| Source address | Unknown or not applicable |
| Severity | low |
| Review status | ai source checked |
| Source confidence | high |
| Last reviewed | 2026-05-05 |
Plain-English Meaning
The ELD is warning that vehicle movement was recorded without a driver account accepting or rejecting those records. The records need review through the ELD's normal unidentified-driver workflow.
FMCSA guidance describes this category in relation to accumulated driving time under the unidentified driver profile during a 24-hour period.
Common Symptoms
- Unidentified driving banner or prompt
- Data diagnostic indicator
- Driver asked to accept or reject records
- Carrier back-office review needed
Possible Causes
Possible causes may include the items below. The list is not a parts diagnosis.
- Driver may have moved the vehicle before logging in
- ELD may not have identified the authenticated user
- Engine synchronization or power issues may have affected assignment
- Yard moves or shop moves may need carrier review
First Checks
- Confirm whether the ELD is showing a malfunction indicator, a data diagnostic indicator, or both.
- Record the displayed category, event time, vehicle, driver, and any related messages before clearing anything.
- Follow the motor carrier's and ELD provider's instructions for data diagnostic events.
- For malfunctions, notify the carrier and verify recordkeeping steps against current FMCSA requirements.
Can I Keep Driving?
This is normally a record assignment issue, not a vehicle mechanical issue. It should still be handled promptly because logs may be incomplete until reviewed.
Related Codes
Related Lookup 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 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 a unidentified driving records diagnostic event the same as an engine fault code?
No. ELD malfunction and data diagnostic categories relate to electronic logging compliance and recorded hours-of-service data. They may involve vehicle data, but they are not the same thing as an engine ECM DTC.
Can this page replace the ELD provider's instructions?
No. ELD products vary, and the provider's instructions and the motor carrier's procedures should be used for the specific device.
Should a driver ignore an ELD data diagnostic event?
No. A data diagnostic event signals a data inconsistency. FMCSA guidance says the driver should follow the motor carrier's and ELD provider's recommendations to resolve it.