Matrix Violations compares what each part sold for against the pricing standard in your parts matrix, and lists the parts that sold below it with the dollar gap on each one. It needs a matrix to compare against, so if you have not built one yet, start with set up a parts matrix. This article covers a current limitation in the dollar total, what a violation means, and how to use the output.

The per-line detail is reliable. The total at the top of the screen is not yet.

Verified 2026-08-25.

The dollar total is not currently trustworthy. The report applies your matrix to every part, including the ones no shop prices from a matrix. Engines, transmissions and sublet work are scored against the same bands as a $4 clip, and because those are large numbers, they dominate the total. A shop can see a six-figure monthly figure that is arithmetically correct and does not describe recoverable money. The exclusion rules that would fix this are not built yet.

Only one matrix is ever used: the active one with no part type set. If the total looks far from what you expect, check which matrix that is before drawing conclusions about your pricing.

What to use instead: read the output as a ranking of your worst-priced lines rather than as a sum. Sort it, work from the top of the list, and disregard the number at the top of the screen. A part that appears there was sold below your standard, and that per-line fact holds even though the total does not.

The report also breaks the figure down by location. Click a location to filter everything below it to that shop.

For each part sold, the report finds the band its cost falls into, works out what your matrix says it should have sold for, and compares that to what it actually sold for. If the shortfall is larger than the band's tolerance, the line is a violation and the gap is the difference.

A violation is a part sold for less than your own written standard, and there are legitimate reasons for that: a matched price for a good customer, a warranty job, a goodwill discount, a fleet agreement. The report cannot tell those apart from a mispriced part, so that judgement is yours.

Two patterns in the output are worth looking for.

A pattern by advisor. One person discounting steadily, without anyone deciding they should, is a policy question that a conversation can settle. This is the most actionable thing in the report.

A band that is systematically off. If nearly every violation sits in the same cost band, the band is probably set wrong for your shop rather than the shop being undisciplined. Adjust the band and read the report again.

Working the list line by line looking for individual wins is rarely productive. Most single violations are a few dollars and had a reason behind them.

Warranty work sells at zero by design and shows up every month. Sublet is not really a part. A fleet agreement with negotiated pricing is a deliberate decision the matrix does not know about.

If those make up the bulk of the list, the list is describing your business model rather than a pricing leak.

Different question, different screen.

The AP Hub asks whether a part you bought was accounted for at all. Matrix Violations asks whether a part you sold was priced to your standard. A part can be accounted for and badly priced, or well priced and missing entirely.

The AP Hub is the first place to spend time. Unaccounted parts are money that left the building, whereas a mispriced part was at least sold.