Signal definition and scope
- Brand context
- Chevrolet
- Display unit
- No scalar unit specified
- Signal kind
- decoded signal
- Source signal reference
- 13535164
- Short label
- AdBlue line heater on
- 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?
1 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.
- B16DTHChevrolet
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 signalDefinition 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-e1449d23faf46206eda6d305 · 1 profiles · runtime-ready
- B16DTHChevrolet
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