[ECM] Exhaust gas temperature before catalyst

Signal definition and scope

Brand context

Audi

Display unit

°C

Signal kind

numeric

Source signal reference

12375194, 12510032, 12885135, 14690099, 15360049, 15530049, 15550323

Short label

[ECM] Exhaust gas temperature before catalyst

Library state

Decoded definition available; vehicle response not established

Source revisions

legacy-owner-2026-10-02-v59

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.

• MLB: 2.0 TSI/TFSI: CAEB, CDNC var.1Audi
• MLB-EVO: TSI/TFSI EA211 1.4/1.5L (Audi: A4 8W, A5 8W)Audi
• MQB, PQ26: MPI EA211 1.0 / 1.6 CAN-UDS + ATAudi
• MQB, PQ26: TSI/TFSI 1.0L-2.0L CAN-UDS + AT/DSGAudi
• MQB, PQ26: TSI/TFSI EA211 1.0L/1.2L/1.4L/1.5LAudi
• MQB: Passat B8 GTE Hybrid, Golf 7 GTE Hybrid, A3 e-Tron HybridAudi
• PQ25, PQ35: EA211 1.4 TSI (UDS)Audi

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.