Service bulletins for the 2018 Audi A4 allroad
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.
567 on file from NHTSA, as of 2026-10-19.
By type
By component
By trouble code
By topic
Only bulletins with component: Engine are shown. Show all
| TSB_2082323_1 | 2026-07-07. Service bulletin. ENGINE. This bulletin provides informaiton when the engine is not running smoothly, misfiring. |
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| TSB_2074640_3 | 2026-07-07. Service bulletin. ENGINE. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km. |
| TSB_2073867_3 | 2026-07-07. Service bulletin. ENGINE. This bulletin provides information when DTC U140A00 Terminal 30 is stored in the ECM. |
| TSB_2051095_10 | 2026-03-03. Service bulletin. ENGINE. This bulletin provides information on the use of the Audi frequencly analysis app, and where the application can be downloaded. |
| TSB_2021205_10 | 2026-03-03. Service bulletin. ENGINE. This bulletin provides information on VIN Plates, Safety Certification labels, and the ordering procedures. |
| TSB_2060750_5 | 2026-02-06. Service bulletin. ENGINE. This bulletin provides information regarding UV leak additive for finding oil leaks. |
| TSB_2074640_2 | 2026-01-07. Service bulletin. ENGINE. This bulletin provides information when there is increased oil consumption; >0.5ltr/1000 km. |
| TSB_2073867_2 | 2025-06-03. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM. |
| TSB_2075530_2 | 2025-04-04. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds. |
| A0124482014753_13 | 2025-01-07. Service bulletin. ENGINE. This bulletin provides information when the MIL is on; DTCs for misfire, air/fuel ratio imbalance, or lean fuel system stored in the ECM P030000. |
| A1524532075530_1 | 2024-11-06. Service bulletin. ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds. |
| A2424632074810_2 | 2024-10-28. Service bulletin. ENGINE. This bulletin provides information when ther is an Engine: start/stop system fault shown and start/stop system not is working; mileage below 50 km/32 miles. |
| A0124302074640_1 | 2024-08-06. Service bulletin. ENGINE. This bulletin provides information when the defrost function deactivates after 5-10 seconds and/or MMI settings are lost. |
| A0124232073867_1 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM. |
| A0124232073867_1 | 2024-06-25. Service bulletin. ENGINE. This bulletin provides information when DTC U14A00 Terminal 30 is stored in the ECM. |
| Dealer 24EC | 2019-08-07. Service bulletin. ENGINE AND ENGINE COOLING. Undisclosed Engine Control Module (ECM) Software2015 S7, 2015-2016 S3 Sedan, 2016 A3 Sedan, A3 Cab, A6 Sedan, 2017 R8 Coupe, 2018 A5 Sportback, SQ5, R8 Spyder, A5 Coupe, A4 Sedan |
| Circular 24EC | 2019-08-07. Service bulletin. ENGINE AND ENGINE COOLING. Undisclosed Engine Control Module (ECM) Software 2015 S7, 2015-2016 S3 Sedan, 2016 A3 Sedan, A3 Cab, A6 Sedan, 2017 R8 Coupe, 2018 A5 Sportback, SQ5, R8 Spyder, A5 Coupe, A4 Sedan |
| A151933 2053278- | 2019-04-15. Service bulletin. ENGINE; EQUIPMENT. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody. |
| 2018 Audi 201901 | 2019-04-08. Service bulletin. ENGINE; EQUIPMENT. Oil Capacity Table: Changed Oil Specs for all models |
| A151933 2053278- | 2019-04-01. Service bulletin. ENGINE. This bulletin contains repair instructions for 3.0 and 2.9 TFSI engines that have oil loss around the engine compartment, front end, and underbody. |
| A011882 2045222- | 2018-12-10. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM; EQUIPMENT:ELECTRICAL. This bulletin explains how to update the software for an exhaust emissions warning light on. |
| A011855 2045673_ | 2018-05-21. Service bulletin. ENGINE; ELECTRICAL SYSTEM. This bulletin provides instructions regarding an SVM update needed when a DTC is stored in the engine control module. |
| Scheduled Mainte | 2018-04-16. Service bulletin. ENGINE AND ENGINE COOLING. Oil Capacity Table: For A3 B-Cycle 2.0 TFSI engine: Changed oil spec from 508/509** Castrol EDGE® Professional® 5W40 to 508/509** Castrol EDGE® Professional® 0W20 Long Life IV |
| A871679 2041717- | 2018-03-13. Service bulletin. ENGINE; ENGINE AND ENGINE COOLING; EQUIPMENT:APPLIANCE:AIR CONDITIONER. This bulletin applies to any repair that requires replacement of the air conditioning compressor and details how to run a ODIS GFF test plan. |
| A1915612025303-5 | 2018-02-05. Service bulletin. ENGINE AND ENGINE COOLING. Supersedes Technical Service Bulletin Group 19 number 14-50 dated June 20, 2014. Discontinuation and mixing of Audi-approved engine coolants. G11, G12, and G12+ coolants have been replaced by an improved version. G12++ coolant (for service available) has been introduced in MY 2005 for all engines. G13 has been introduced in MY 2008 as factory filling and service. |
The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.