An ELD must display a single visual malfunction indicator on the ELD’s display or on a stand-alone indicator for all drivers using the ELD. The visual signal must be visible to the driver, be continuously communicated to the driver when the ELD is powered, and clearly illuminate an active...
FMCSA recommends that drivers first certify their RODS before logging off the ELDs and then shutting down their CMVs’ engines. If drivers don’t follow this recommendation, malfunction codes may occur, such as indicating unaccounted odometer changes and suspicious driving activity.
If an ELD malfunctions, a motor carrier must: Correct, repair, replace, or service the malfunctioning ELD within eight days of discovering the condition or a driver’s notification to the motor carrier, whichever occurs first; and Require the driver to maintain paper record of duty status (RODS) until the ELD...
If an ELD malfunctions, a driver must: Note the malfunction of the ELD and provide written notice of the malfunction to the motor carrier within 24 hours; Reconstruct the record of duty status (RODS) for the current 24-hour period and the previous 7 consecutive days, and record the records...
An “unidentified driving records data diagnostic event” occurs when more than 30 minutes of driving time for an unidentified driver is recorded within a 24-hour period.
A “data transfer data diagnostic event” occurs when the operation of the data transfer mechanism(s) is not confirmed. A “data transfer compliance” malfunction occurs when the ELD stays in the unconfirmed data transfer mode following the next three consecutive monitoring checks.
A “missing required data elements data diagnostic event” occurs when any required data field is missing at the time of its recording.
A “data recording compliance malfunction” occurs when an ELD can no longer record or retain required events or retrieve recorded logs that are not kept remotely by the motor carrier.
When an ELD fails to acquire a valid position measurement within 5 miles of the commercial motor vehicle moving and 60 minutes has passed, a “position compliance malfunction” will be recorded in the data diagnostic.
A “timing compliance malfunction” occurs when the ELD can no longer meet the underlying compliance requirement to record Coordinated Universal Time (UTC), where ELD time must be synchronized with UTC, not to exceed an absolute deviation of 10 minutes at any time.
