Honda wants the first scan when the estimate is written, not halfway through
Honda’s position is blunt: every vehicle in a collision needs at least a set of diagnostic scans, inspections or calibrations. The first is a preliminary scan at the time the estimate is written, and the last is a post-repair scan confirming that no fault codes remain. Honda updated that requirement in 2025, and it applies to all of its vehicles; Honda Canada has issued its own scanning and calibration position statement.
One line in Honda’s statement is worth reading twice. It says the presence or absence of dashboard indicators or warning lights “is not an acceptable method to determine if post collision diagnostic scans are necessary.” A Civic that took a door hit in the Fairview Mall lot can show a perfectly clean cluster and still have a stored code in a body module, a seat-belt pretensioner circuit or a sensor that lives in the struck door.
For you, the timing matters more than the principle. A photo estimate gets the conversation started, but the preliminary scan happens once the car is at the shop, and anything it finds goes onto the estimate before parts are ordered. Hidden electronic damage found at the start usually costs you fewer days than the same fault found on the morning the car was meant to go home.
A clean scan does not settle Honda Sensing, because aim faults rarely set a code
Honda’s statement includes a table of driver-assistance systems that need inspection, calibration or aiming after collision or body repairs. It also explains why the scan alone cannot clear them: these systems often set no fault code unless they are damaged. A radar or camera knocked slightly off its line still works; it simply looks at the wrong patch of road.
So the question on a Honda is never just “did the scan pass?” It is “which operations did we perform, and what does Honda’s table say about each of them?” A CR-V whose front cover came off so a crushed absorber could be replaced after a DVP rear-end may call for radar aiming. A Pilot that received a new windshield may call for its camera to be aimed. A Civic that only had a rear door repaired might call for neither. Not every Honda Sensing system needs work after every collision, and the estimate should show the reasoning either way.
Aiming is listed as its own operation with Honda’s requirement beside it, and if it needs targets or equipment we do not have on site, it is sublet and coordinated so the car comes back to you complete.
Ultra-high-strength Honda steel is replaced as a whole part, never coaxed back into shape
Honda uses ultra-high-strength steel, in the range of 980 to 1,500 megapascals, in places like the front door ring and some rear frame rails. Honda’s rule for those assemblies is that they must not be partly installed: when one is damaged, the complete assembly is replaced. On the 2016 Civic, Honda specified that the 1,500 MPa rear frame rail cannot be sectioned at all.
Heat and straightening are off the table too. Honda says not to heat or cold-straighten these parts, and any ultra-high-strength piece that was straightened, or heated above about 600°C, has to be replaced. The strength comes from how the steel was made, and warming it to free a stubborn kink destroys exactly the property the engineers chose it for.
This is why a Civic rear-ended on the 401 can produce an estimate that looks large for damage that looks moderate. If the rear rail kinked, the procedure leads to replacement, which means measuring on the bench, removing interior trim and joining the new assembly at Honda’s specified locations. A side hit at a Don Mills Road intersection that reached the door ring can mean a long list of removed parts just to reach it. The guide on high-strength steel explains the metallurgy behind the rule.
Why a Civic or CR-V estimate grows after teardown, and how the claim absorbs it
The Civic was Canada’s best-selling car again in 2025, and the CR-V sat among the top-selling vehicles overall. Owners of both tend to meet the same surprise: the first estimate reflects what the photos show, and the preliminary scan, the aiming table and the steel rules then add operations that nobody could see from outside.
In Ontario that is handled as a supplement, not a dispute. If you were not at fault and the other vehicle is identified and insured in Ontario, DCPD means your own insurance company pays for the repair, unless the policy carries OPCF 49, which removes that coverage. Our estimator sends the supplement with Honda’s published position beside each added item, so the adjuster can see where every scan, aiming and assembly-replacement line comes from. You choose the shop either way; a recommendation from the insurance company is only a recommendation.
Questions people ask
My Civic has no warning lights after the accident. Why is there a scan on the estimate?
Honda states that warning lights are not an acceptable way to decide whether a post-collision scan is needed. Its position calls for a preliminary scan at the estimate and a final one after the repair, whatever the dashboard shows.
Can the bent rear rail on my Civic simply be straightened?
Not if it is one of Honda’s ultra-high-strength parts. Honda says those must not be heated or straightened and are replaced as complete assemblies; on the 2016 Civic the 1,500 MPa rear rail cannot even be sectioned.
The final scan on my CR-V came back clean. Why is the camera still being aimed?
Honda notes its driver-assistance systems often set no code unless damaged, so a clean scan does not prove correct aim. Whether aiming is required comes from Honda’s table for the operations performed, such as glass or bumper work.
Can an independent shop follow Honda’s scan and steel procedures, or is that dealer-only?
Honda publishes those procedures for the trade, and Ontario lets you pick the shop. We are independent and not part of any Honda program; we follow Honda’s published scan, aiming and steel procedures for your model.