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ECU Map Comparison & Stage Detection

TunerSuite Feature · Map Comparison

Compare original vs tuned. Detect the stage automatically.

Side-by-side ECU map comparison built into the file request flow. See exactly which cells were touched, by how much, and which stage the tune sits at.

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Loads original and tuned dumps side-by-side and highlights differences with a colour-graded delta.
Stage detection flags Original / Stage 1 / Stage 2 by analysing the modification footprint.
Built into the request page, no external WinOLS round-trip for a quick sanity check.

Visual diff

Heat-mapped delta view

The viewer overlays a green-to-red gradient on every cell that changed between the two files. High-delta cells stand out instantly, useful for verifying a file before delivery, or for spot-checking a colleague's work.

  • Colour gradient by absolute and percentage delta
  • Click a cell to see exact before / after values
  • Toggle between heat overlay and clean view
  • Export a diff summary for the customer report

Stage detection

Original / Stage 1 / Stage 2 classification

The classifier examines which map regions were modified and by how much, then labels the file. Useful to verify a tune matches what the customer paid for, or to flag third-party files that arrive mislabelled. Original / Stage 1 / Stage 2, those are the labels TunerSuite recognises.

Map comparison FAQ

Common questions

Do I need WinOLS or HxD to compare files?
No. The side-by-side comparison and heat-mapped delta are built right into the file request page, so you can sanity-check a file without leaving the portal.
What stages can it detect?
It classifies files as Original, Stage 1 or Stage 2 by analysing which map regions were modified and by how much, handy for catching third-party files that arrive mislabelled.
Can I see the exact before and after values?
Yes. Click any changed cell to see its exact original and tuned values, and export a diff summary for the customer report.
Is the comparison viewer included?
Yes. It ships in every TunerSuite Ultra licence, there is no separate add-on to buy.

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Ready to Buy?

£699 setup · £49.99 only in busy months. All viewers included.

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