Oil ash limit

Signal definition and scope

Brand context

Audi

Display unit

g

Signal kind

numeric

Source signal reference

12160000, 12170001, 12175001, 12180005, 12190003

Short label

Oil ash limit

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?

5 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: Diesel DPF var.4 [EA288 2.0 TDI] (Audi: A4 8W, A5 8W, Q5 80A, Q7 4M, A8 4N, A7 4K8, A6 4K, Q8 4MN)Audi
• MLB-EVO: Diesel DPF var.5 [EA897 3.0TDI] (Audi: A4 8W, A5 8W, Q5 80A, Q7 4M, A8 4N, A7 4K8, A6 4K, Q8 4MN, VW Touareg CR)Audi
• MQB, PQ26: Diesel DPF var.2 [EA288]Audi
• MQB, PQ26: Diesel DPF var.3 [EA288]Audi
• PQ25, PQ26, PQ35, PQ46, MQB: Diesel 1.6 TDI CAYC, CAYA engineAudi · 2005–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.