Technical Service Bulletin Circular 23Z8 — 2016 AUDI A6
ENGINE AND ENGINE COOLING
Bulletin Details
| TSB ID | Circular 23Z8 |
| Manufacturer | |
| Vehicle | 2016 AUDI A6 |
| Component | ENGINE AND ENGINE COOLING |
| Communication Date |
Bulletin Summary
Audi is releasing a software calibration update to the Approved Emissions Modification (AEM) to improve on-board diagnostics (OBD) monitoring of vehicle emissions systems and provide other improvements to the software used by the vehicle. Additionally, to reduce soot accumulation affecting the oxygen sensor, it is necessary to replace and relocate the sensor, which requires replacement of the diesel oxidation catalyst (DOC) and diesel particulate filter (DPF).
About Technical Service Bulletins
A Technical Service Bulletin (TSB) is a document issued by a vehicle manufacturer to its dealers, describing a known issue with a specific vehicle or set of vehicles and the recommended procedure to fix it. Unlike recalls, TSBs are not mandatory and are typically only performed if an owner reports the related issue. However, TSBs can be an indicator of common problems with a vehicle.
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