P2181 on the 2021 Audi SQ7
The bulletins listed name this code in NHTSA's summary, or are about the same components. A bulletin or a recall listed here may apply to the model year. None of it is a diagnosis.
Nobody has written a description of this code yet.
| A1924732062951_4 | 2025-01-07. Service bulletin. This bulletin provides information when the red coolant warning lamp is on, DTCs P218100, P017B00, P017C00, and/or P017E00 are stored in the ECM. |
|---|---|
| A1924712075878_1 | 2024-12-04. Service bulletin. This bulletin provides information when the MIL is on, or the red coolant lamp lights up; DTC P218100 and/or P1BB400. |
| A1924692069248_8 | 2024-11-06. Service bulletin. This bulletin provides information when the red coolant warning lamp comes on OR MIL on, DTC P218100 and/or P1BB400. |
| A1924662069248_7 | 2024-10-28. Service bulletin. This bulletin provides information when the red coolant warning lamp comes on or MIL on, and DTC P218100 and/or P1BB400. |
| A1924642069248_6 | 2024-09-06. Service bulletin. This bulletin provides information when the red coolant warning lamp comes on or MIL on, and DTC P218100 and/or P1BB400. |
| A1924642069248_6 | 2024-09-06. Service bulletin. This bulletin provides information when the red coolant warning lamp comes on or MIL on, and DTC P218100 and/or P1BB400. |
| A1923432069248_5 | 2023-10-05. Service bulletin. This bulletin provides information for when the red coolant warning light or the MIL is illuminated, DTC P218100 and/or P1BB400. |
| A1923422069248_4 | 2023-10-05. Service bulletin. This bulletin provides information for when the red coolant warning light or the MIL is illuminated, DTC P218100 and/or P1BB400. |
| A1923412062951_3 | 2023-10-05. Service bulletin. This bulletin provides information for when the red coolant warning lamp is on and the DTCs P218100, P017B00, P017C00, and/or P017E00 are stored in the ECM. |
| A1923402069248_3 | 2023-09-01. Service bulletin. This bulletin provides information for when the red coolant warning lamp or MIL illuminate with DTC P218100 and/or P1BB400. |
14 on file from NHTSA, as of 2026-10-19. See them in the bulletin list. A bulletin lists model years: read the document for which vehicles it concerns.