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Service bulletin A1923432069248_5

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10242917
Published by NHTSA2023-10-05
Manufacturer's numberA1923432069248_5
Manufacturer's date2023-09-14
NHTSA componentENGINE AND ENGINE COOLING

NHTSA's summary

This bulletin provides information for when the red coolant warning light or the MIL is illuminated, DTC P218100 and/or P1BB400.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Engine

Trouble codes named

P1BB4, P2181

Vehicles listed
AUDI A82019, 2020
AUDI A82021 to 2022
AUDI RS 6 AVANT2021, 2022
AUDI RS 72021, 2022
AUDI RS Q82020, 2021, 2022
AUDI S82020, 2021, 2022
AUDI SQ72020, 2021, 2022
AUDI SQ82020, 2021, 2022

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Recalls for the same vehicles and component
20212792021-05-13. Engine
21V3390002021-05-12. ENGINE
21V1110002021-02-24. ENGINE; ENGINE AND ENGINE COOLING:ENGINE:ENGINE CONTROL MODULE (ECU/ECM)

A recall listed here may apply to some of the same vehicles. Only the manufacturer can say whether it applies to one vehicle.

Other bulletins for the same vehicles and component
TSB_2081030_42026-10-05. Service bulletin. This bulletin provides information when there is an abnormal knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2070281_72026-10-05. Service bulletin. This bulletin provides information when the MIL is on; P310B00 - low fuel pressure regulation, fuel pressure outside of tolerance - symptom 2638.
TSB_2069531_22026-10-05. Service bulletin. This bulletin provides information when the MIL is on, EVAP pressure/temp sensor incorrect DTC displayed: P202400, P045000, P045200, P24D600, P24D800, P2B7B00.
TSB_2081030_32026-09-04. Service bulletin. This bulletin provides information when there is an abnormal engine knocking noise from the engine compartment; V6 3.0L TFSI.
TSB_2079209_32026-09-04. Service bulletin. This bulletin provides information when the exhuast emissions warning lamp is on P0299.
TSB_2070281_62026-09-04. Service bulletin. This bulletin provides information when the MIL is on, DTC P310B00 is stored; low fuel pressure regulation, fuel pressure outside of tolerance, symptom 2638.
TSB_2070281_52026-09-04. Service bulletin. This bulletin provides information when the MIL is on, DTC P310B00 is stored; low fuel pressure regulation, fuel pressure outside of tolerance, symptom 2638.
SM 34-20262026-09-04. Other. This special notice is to inform dealers to return the parts listed and only order the successor parts going forward.
TSB_2082323_12026-07-07. Service bulletin. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
TSB_2081573_22026-07-07. Service bulletin. This bulletin provides informatio when fuel pump/ sender, fuel tank level implausible, DTC B105A1A B103E29 Stored in 0017.