[ECM] A/C relay

Signal definition and scope

Brand context

Hyundai

Display unit

No scalar unit specified

Signal kind

decoded signal

Source signal reference

10935037, 10935040, 12345057, 12735072, 13170031, 13440082, 13445083, 14635032

Short label

[ECM] A/C relay

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?

7 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.

• Grandeur VI (IG) 2.2 CRDI Diesel (2016-)Hyundai · 2016–onward
• Palisade LX2 2.2 CRDI DieselHyundai
• Santa Fe TM CRDI Diesel + AT (2018-2020)Hyundai · 2018–2020
• Santa Fe TM PE 2.2 CRDI Diesel + DCT (2020-2023)Hyundai · 2020–2023
• Tucson NX4 (2021-) 2.0D CRDI Diesel + 8ATHyundai · 2021–onward
• Tucson TL CRDI Diesel 2.0 AT 4WD (2015-2018)Hyundai · 2015–2018
• Tucson TL FL CRDI Diesel 2.0 8AT 4WD (2018-2020)Hyundai · 2018–2020

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.