[TCM] [DCT] Gear Ratio

Signal definition and scope

Brand context

Hyundai

Display unit

No scalar unit specified

Signal kind

numeric

Source signal reference

13755138, 14980041, 15490037, 15950033

Short label

[TCM] [DCT] Gear Ratio

Library state

Decoded definition available; vehicle response not established

Source revisions

legacy-owner-2026-10-02-v59, legacy-owner-2026-10-09-v81

Enhanced or private PID means a manufacturer-specific signal reference. It does not mean a paid PID. Request commands and decoding formulas are not needed to read this explanation and are not published here.

Which vehicle profiles list this signal?

4 connection profiles list this signal concept. Check the definition variants below for the exact profile relationships; matching display names do not make request or decoder variants interchangeable.

• Elantra AD 1.6 T-GDI + DCT (2017-2020)Hyundai · 2017–2020
• i20/Bayon (BC3) 1.0 T-GDI (2021-n.d.)Hyundai · 2021–onward
• Tucson NX4 (2021-) 1.6 CRDI DieselHyundai · 2021–onward
• Tucson NX4 (2021-) 1.6 T-GDIHyundai · 2021–onward

How should I interpret a value?

Use the exact vehicle profile and confirm the returned module and unit. An unavailable response is not zero. This reference does not supply a universal normal range or infer a failed component.

Definition variants and exact profile relationships

Entries sharing a label and unit can use different requests or decoders. The following variants are retained separately; they are not interchangeable.