The pre-trip gets the attention, but the post-trip is where the catch happens. A driver who just ran the truck all day knows what changed — the pull to the right, the soft pedal, the light that flickered on the last leg. Reporting it at end of shift gives the shop all night to fix it, instead of the next driver finding it on the highway at 6 a.m. FMCSA builds this into law under 49 CFR §396.11 and §396.13: a written DVIR covering eleven components, a three-signature chain, and penalties reaching five figures for dispatching an unrepaired defect. This checklist walks the post-trip the way a careful driver does — and how Truck Inspection & Maintenance Management Software (TIM) turns each report into a dated, routed, audit-ready record. Start free and run your post-trip DVIR on any phone.

§396.11 · 11 Components · DVIR Sign-Off

The Driver Who Ran the Truck All Day Knows What's Wrong With It. The Post-Trip Is When They Say So.

You want defects caught at end of shift, when the shop has all night to fix them — not found by the next driver on the road. The post-trip DVIR is the mechanism, and the three-signature chain is where most fleets break down. TIM closes the loop: run the walkaround on a phone, photograph a defect, and it opens a work order and blocks dispatch until the repair is certified. Every defect logged gets a first response within 4 hours — acknowledged, graded, and assigned.

11components every DVIR must address under §396.11
90 daysminimum retention for the report + repair record
4-hourfirst response on every logged defect — graded & assigned

Pre-Trip vs. Post-Trip — Same Truck, Different Job

They aren't duplicates. The pre-trip confirms the truck is safe to start the day; the post-trip captures what a full shift of operation revealed. The post-trip is the one that feeds the shop — because a driver who just drove the truck is the best sensor a fleet has for what's failing.

Pre-Trip
Before the shift

Confirms the vehicle is safe to operate before it rolls. Catches overnight issues and the prior driver's unrepaired defects.

Question: is it safe to start?
Post-Trip
End of the shift

Reports what a full day of operation revealed — the pull, the noise, the soft pedal. Feeds the defect straight to the shop overnight.

Question: what did today reveal?

The 11 Components Every Post-Trip DVIR Must Cover

FMCSA doesn't leave the list to interpretation. Under §396.11, the report must address these eleven elements — the systems that decide whether the truck stops, steers, and stays visible. Walk them in order at end of shift.

01Service brakesincl. trailer connections
02Parking brakeholds on grade
03Steering mechanismplay, response
04Lighting & reflectorsall lamps firing
05Tirestread, pressure, sidewalls
06Hornaudible, working
07Windshield wipersblades, function
08Rear-vision mirrorsintact, adjusted
09Coupling devicesfifth wheel, pins
10Wheels & rimscracks, lug condition
11Emergency equipmenttriangles, extinguisher

The Three-Signature Chain — Where Most Fleets Break Down

A DVIR isn't done when the driver signs it. §396.11 and §396.13 build a chain of custody: three signatures that move a defect from discovery to certified repair to the next driver's confirmation. The third link is the one most commonly broken — and it's the one that puts a truck back on the road with an unrepaired fault.

1
Driver reports

At end of shift, the driver notes any defect with a description and its severity — or certifies no defects found. Their signature opens the record.

→
2
Carrier certifies repair

A mechanic or official certifies the defect was repaired — or that repair wasn't necessary — on the original report. The truck can't be dispatched until a safety defect is fixed and certified.

→
3
Next driver acknowledges

The following operator reviews the prior DVIR and signs to confirm before driving. The most commonly broken link — and the one that matters most for safety.

The no-defect nuance Since the 2014 rescission, property-carrying CMVs don't legally require a DVIR on a defect-free day. But most fleets still file a "no-defect" report anyway — it builds a positive compliance record that proves the inspection was actually performed. For passenger-carrying vehicles, the defect-free DVIR is still required.

What It Costs to Skip It — the Penalties Are Real

The post-trip isn't a paperwork ritual. FMCSA attaches serious penalties to a missing report or a dispatched defect, and a documented, retained DVIR is the record that protects the carrier in an audit or a liability claim.

~$1,270/day Failure to file a required DVIR

Per-day exposure for a report that should have been filed and wasn't.

up to $15,420 Dispatching with an unrepaired safety defect

The truck can't legally go out until the defect is fixed and certified.

90 days Minimum record retention

Keep the report, repair certification, and driver review under §396.11(a)(4).

A Paper DVIR Can't Block a Dispatch. TIM Can.

TIM runs the post-trip on the driver's phone: walk the 11 components, photograph a defect on the spot, and it opens a work order and holds the unit out of dispatch until the repair is certified — enforcing the three-signature chain automatically. The whole record (report, repair, next-driver review) lands in a searchable archive that exports in minutes when an auditor asks, and the March 2026 rule makes electronic DVIRs with digital signatures explicitly compliant.

Frequently Asked Questions

What must a driver report on a post-trip inspection?
Under 49 CFR §396.11, the DVIR must address eleven components: service brakes (including trailer connections), parking brake, steering mechanism, lighting devices and reflectors, tires, horn, windshield wipers, rear-vision mirrors, coupling devices, wheels and rims, and emergency equipment. The driver notes any defect discovered during the day's operation with a description and severity, or certifies that none were found. The report is what turns a driver's observation into a work order the shop acts on. Start free and log all 11 components per shift.
Do I have to file a DVIR if there are no defects?
For property-carrying CMVs, not legally — the 2014 rescission removed the requirement to file a DVIR on a defect-free day. But most fleets file a "no-defect" report anyway, because it creates a positive compliance record proving the inspection was actually performed, which matters in an audit. Passenger-carrying vehicles still require the defect-free DVIR. Contact us to set up no-defect reporting in TIM.
What's the three-signature chain, and why does it matter?
It's the chain of custody that makes a DVIR real: the driver signs to report the defect, a carrier mechanic or official certifies the repair (or that none was needed) on the original report, and the next driver reviews and signs to confirm before operating under §396.13. That third signature is the most commonly broken link — and skipping it is how a truck goes back out with an unrepaired defect. A vehicle can't be dispatched until a safety defect is repaired and certified. Start free and enforce the full sign-off chain.
How long do I keep post-trip inspection records?
At least 90 days under 49 CFR §396.11(a)(4) — and that means the complete package: the original DVIR, the repair certification, and the next-driver review documentation. The penalties for gaps are steep: roughly $1,270 per day for failing to file a required DVIR, and up to $15,420 for dispatching a vehicle with an unrepaired safety defect. As of March 23, 2026, electronic DVIRs with digital signatures and cloud storage are explicitly compliant. Contact us to keep 90-day records audit-ready.
§396.11 · 11 Components · 3 Signatures · Audit-Ready

Catch It at End of Shift — Not on the Road at 6 a.m.

Eleven components, a three-signature chain, and a DVIR that writes itself. Run the post-trip on a phone, photograph the defect, block dispatch until it's fixed, and keep a 90-day record that stands up at an audit or a claim.

No credit card required · Free for up to 3 trucks · e-DVIR compliant · Records stored and searchable