[ECM] Brake booster: actual vacuum

Signal definition and scope

Brand context

Audi

Display unit

hPa

Signal kind

numeric

Source signal reference

12375119, 13965038, 14690016, 14705114, 15360021, 15530021, 15550295

Short label

[ECM] Brake booster: actual vacuum

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-EVO: TSI/TFSI EA211 1.4/1.5L (Audi: A4 8W, A5 8W)Audi
• MLB-EVO: TSI/TFSI EA888 Gen.3B, EA888 Evo4 (Gen.4) 2.0L (with Miller cycle) (Audi: A4 8W, A5 8W, Q5 80A, Q7 4M, A7 4K8, A6 4K)Audi
• 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
• MQB: TSI/TFSI EA888 Gen.3B, EA888 Evo4 (Gen.4) 2.0L (with Miller cycle)Audi
• 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.