# Service bulletin TSB\_2080446\_1

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.

- Type: Service bulletin
- NHTSA id: 11027384
- Published by NHTSA: 2026\-01\-07
- Manufacturer's number: TSB\_2080446\_1
- Manufacturer's date: 2025\-12\-12
- NHTSA component: ENGINE

## NHTSA's summary

This bulletin provides information when the exhaust emissions warning lamp lights up in the instrument cluster; DTC PC01C400 \(sumptom 46314, 46312\).

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027384-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11027384-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Components

Engine

## Vehicles listed

- 2025 to 2026 AUDI A5
- 2025 to 2026 AUDI Q5
- 2025 to 2026 AUDI Q5 SPORTBACK

## Other bulletins for the same vehicles and component

- [TSB\_2083393\_1](/bulletins/11038129.md), 2026-10-05, Service bulletin: ENGINE. This bulletin provides information when the starter/generator drive belt is noisy or came off.
- [TSB\_2083287\_1](/bulletins/11038125.md), 2026-10-05, Service bulletin: ENGINE. This Pending Service Solution \(PSS\) requests that technicians create a record in the PSS database when DTC P001400 camshaft position is stored.
- [TSB\_2079927\_3](/bulletins/11038072.md), 2026-10-05, Service bulletin: ENGINE. This bulletin provides information when the exhaust emissions warning lamp lights up; DTC P050A; 2.0 ltr 4\-cyl.
- [TSB\_2069531\_2](/bulletins/11038035.md), 2026-10-05, Service bulletin: ENGINE. This bulletin provides information when the MIL is on, EVAP pressure/temp sensor incorrect DTC displayed: P202400, P045000, P045200, P24D600, P24D800, P2B7B00.
- [TSB\_2082335\_1](/bulletins/11034729.md), 2026-07-07, Service bulletin: ENGINE. This Pending Service Solution \(PSS\) requests that technicians create a record in the PSS database when DTC P01C400 \(symptom\) 46314 is stored.
- [TSB\_2082323\_1](/bulletins/11034728.md), 2026-07-07, Service bulletin: ENGINE. This bulletin provides informaiton when the engine is not running smoothly, misfiring.
- [TSB\_2082283\_1](/bulletins/11034724.md), 2026-07-07, Service bulletin: ENGINE. This Pending Service Solution \(PSS\) requests that technicians create a record in the PSS databse in instances where DTC P1A7B00 is stored and the check engine light is illuminated.
- [TSB\_2082225\_1](/bulletins/11034717.md), 2026-07-07, Service bulletin: ENGINE. This Pending Service Solution \(PSS\) requests that technicians create a record in the PSS databse in instances where there is an exhaust emissions warning lamp; calibration of injectors, P268A00; 4 cyl. 2.0 ltr. TFSI.
- [TSB\_2081098\_3](/bulletins/11034695.md), 2026-07-07, Service bulletin: ENGINE. This Pending Service Solution \(PSS\) requests that technicians create a record in the PSS database in instances when side assist issues warnings for no reason.
- [TSB\_2080446\_3](/bulletins/11034687.md), 2026-07-07, Service bulletin: ENGINE. This bulletin provides information when the exhaust emissions warning lamp lights up in the instrument cluster; DTC PC01C400 \(sumptom 46314, 46312\).

JSON: [/v1/bulletins/11027384](/v1/bulletins/11027384)

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