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Hyundai / Enhanced diagnostic signal

[ECM] Knock retard Cyl.2

“[ECM] Knock retard Cyl.2” is the enhanced diagnostic signal label recorded for the linked vehicle profiles. Values are labeled in °. The label and scope should be checked against the vehicle’s service information before interpreting a reading.

Signal definition and scope

Brand context
Hyundai
Display unit
°
Signal kind
numeric
Source signal reference
13885018, 14605014, 14780021, 14850035, 15950019, 15995013, 16195013, 16345021
Short label
[ECM] Knock retard Cyl.2
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?

8 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.

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.

Inspect a recorded signal

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.

pid-06c13855a32058d51bef49e3 · 7 profiles · runtime-ready
pid-fa82844b53150e716418954a · 1 profiles · runtime-ready
Source and applicability

OBD Lens production library legacy-owner-2026-10-09-v81. This is a scoped technical reference, not a scan of your car. A catalog relationship does not certify that every ECU, year or engine returns the same signal or code definition.

Read the reference method

OBD Lens reference library · catalog legacy-owner-2026-10-09-v81. Sources and scope