Whenever an ELD malfunction or data diagnostic event is detected or cleared by the ELD, the
ELD records the event. The recorded malfunctions and data diagnostic events are inconsistencies
found while monitoring the app/ELD against FMCSA compliance requirements. These instances
are indicated in the app header and in the Android notification toolbar with the letters M and D,
Please refer to Chapter 16 of the attachment for more information.
• Malfunction events
–Note the ELD malfunction and provide carrier with written notice within 24hrs (395.34).
–Reconstruct driving events for the current 24hr period and previous 7 consecutive days using
paper logs (unless they can be retrieved from the ELD) (395.34).
–Continue to manually prepare driving logs until ELD is serviced and brought back into
–During inspections which take place when a malfunction has occurred, provide safety official
with manually kept driver logs (395.34).
• Data diagnostic events
–Driver must follow the motor carrier’s and ELD provider’s recommendations in resolving the
data inconsistency (395.34).
• Provide drivers with an instruction sheet describing the various ELD malfunction events and
record keeping procedures (395.22).
• Provide drivers with a supply of 8 days’ worth of blank paper driver records (395.22).
• Repair, replacement, or service
–Motor carrier must correct the malfunction of the ELD within 8 days of discovery of the
condition or a driver’s notification to the motor carrier, whichever occurs first (395.34).