Section 4.6.1.6(d) of 49 CFR part 395, subpart B, Appendix A states that “An unidentified driving records data diagnostic event can be cleared by the ELD when driving time logged under the unidentified driver profile for the current 24‐hour period and...

FMCSA-ELD-395-Q049(2022-03-10)

Question: Section 4.6.1.6(d) of 49 CFR part 395, subpart B, Appendix A states that “An unidentified driving records data diagnostic event can be cleared by the ELD when driving time logged under the unidentified...

If a driver forgets to indicate the start of Personal Conveyance (PC) or Yard Moves (YM), can they later edit that automatically generated driving event to PC (Off Duty) or YM (On Duty Not Driving)?

FMCSA-ELD-395-Q081(2022-03-10)

Question: If a driver forgets to indicate the start of Personal Conveyance (PC) or Yard Moves (YM), can they later edit that automatically generated driving event to PC (Off Duty) or YM (On Duty Not Driving)?...

In an electronic logging device (ELD) with multiple components, which component must generate the event identifier sequence number?

NOTE: This guidance was rescinded on July 31, 2023, and is no longer in effect.  Please see revised guidance FMCSA-ELD-395-Q080(2023-07-31).

FMCSA-ELD-395-Q080(2022-03-10)

Question: In an electronic logging device (ELD) with...

Is the electronic logging device (ELD) required to retrieve the commercial motor vehicle (CMV) position from the device connected to the port, or can this be retrieved by using a smartphone or tablet?

FMCSA-ELD-395-Q079(2022-03-10)

Question: Is the electronic logging device (ELD) required to retrieve the commercial motor vehicle (CMV) position from the device connected to the port, or can this be retrieved by using a smartphone or tablet?...

Under section 4.6.1.2 of 49 CFR part 395, subpart B, Appendix A, the engine synchronization compliance monitoring requires the electronic logging device (ELD) to record an engine synchronization diagnostics event when it cannot acquire values for the ELD

FMCSA-ELD-395-Q048(2022-03-10)

Question: Under section 4.6.1.2 of 49 CFR part 395, subpart B, Appendix A, the engine synchronization compliance monitoring requires the electronic logging device (ELD) to record an engine synchronization...

What is the responsibility of the carrier and driver pertaining to electronic logging device (ELD) diagnostic events or malfunctions that do not interfere with the accurate recording of hours of service? What would the documentation requirements be in...

FMCSA-ELD-395-Q047(2022-03-10)

Question: What is the responsibility of the carrier and driver pertaining to electronic logging device (ELD) diagnostic events or malfunctions that do not interfere with the accurate recording of hours of service...

When a driver manually enters records into an electronic logging device (ELD) how must the ELD “Event Record Origin” be set?

FMCSA-ELD-395-Q046(2022-03-10)

Question: When a driver manually enters records into an electronic logging device (ELD) how must the ELD “Event Record Origin” be set?

Guidance: The ELD must set the “Event Record Origin” of the ELD...

What is a motor carrier or driver required to do if they use two electronic logging devices (ELDs) that are not interoperable during a 7-day period?

FMCSA-ELD-395-Q078(2022-03-10)

Question: What is a motor carrier or driver required to do if they use two electronic logging devices (ELDs) that are not interoperable during a 7-day period?

Guidance: As a minimal requirement, each...

When a driver edits an existing electronic logging device (ELD) record, how must the ELD “Event Record Origin” be set?

FMCSA-ELD-395-Q045(2022-03-10)

Question: When a driver edits an existing electronic logging device (ELD) record, how must the ELD “Event Record Origin” be set?

Guidance: The ELD must set the “Event Record Origin” of the ELD record to...

As an electronic logging device (ELD) manufacturer, how can I make sure that my product is compliant?

FMCSA-ELD-395-Q044(2022-03-10)

Question: As an electronic logging device (ELD) manufacturer, how can I make sure that my product is compliant?

Guidance: You should review the technical specifications included in 49 CFR part 395,...