# Service bulletin TSB\_2076778\_3

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: 11033479
- Published by NHTSA: 2026\-06\-04
- Manufacturer's number: TSB\_2076778\_3
- Manufacturer's date: 2026\-05\-27
- NHTSA component: ELECTRICAL SYSTEM

## NHTSA's summary

This Reporting obligation pre\-repair states that technicians should contact the Technical Assistance Center \(TAC\) when the vehicle can no longer be started, and the red onboard supply warning lamp lights up in the instrument cluster; high\-voltage battery isolation igniter \(pyrofuse\) P1CAC00 in 008C.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033479-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2026/MC-11033479-9999.pdf)

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

## Components

Electrical system

## Trouble codes named

P1CAC

## Vehicles listed

- 2025 AUDI A6 SPORTBACK E\-TRON
- 2027 AUDI A6 SPORTBACK E\-TRON
- 2025 AUDI Q6 E\-TRON
- 2027 AUDI Q6 E\-TRON
- 2025 AUDI Q6 SPORTBACK E\-TRON
- 2027 AUDI Q6 SPORTBACK E\-TRON
- 2025 AUDI S6 SPORTBACK E\-TRON
- 2027 AUDI S6 SPORTBACK E\-TRON
- 2025 AUDI SQ6 E\-TRON
- 2027 AUDI SQ6 E\-TRON
- 2025 AUDI SQ6 SPORTBACK E\-TRON
- 2027 AUDI SQ6 SPORTBACK E\-TRON

## Other bulletins for the same vehicles and component

- [TSB\_2083387\_1](/bulletins/11038128.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding setup in the Audi Connect app for digital key.
- [TSB\_2083184\_1](/bulletins/11038119.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when charging does not start when connected to poor grid/when near production facilities \- Q6/A6 e\-tron.
- [TSB\_2082387\_2](/bulletins/11038105.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information when there is a driver system fault, or an MIL \- DTC P060C00 symptom 1301 and P162400 in J1312 \(address word 812C\).
- [TSB\_2082226\_4](/bulletins/11038104.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin is an aid supportin gthe combined softare update 03.11.00/C \(28.14.01\) KD2\*.
- [TSB\_2082223\_5](/bulletins/11038103.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding software update KD2\* 03.11.00/C \(28.14.01\).
- [TSB\_2082223\_4](/bulletins/11038102.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding software update KD2\* 03.11.00/C \(28.14.01\).
- [TSB\_2082008\_2](/bulletins/11038099.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides information regarding control unit for activation of charging flap and charging socket \- activation of LED lighting implausible \- PPE.
- [TSB\_2081690\_3](/bulletins/11038097.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This Pending Service Solution \(PSS\) requests that technicians enter a record in the PSS Database when there is a battery cell electrical fault, temperature sender implausible signal.
- [TSB\_2081477\_7](/bulletins/11038096.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides an overview of the combined software updates for cluster 3; PPE/PPC.
- [TSB\_2081477\_6](/bulletins/11038095.md), 2026-10-05, Service bulletin: ELECTRICAL SYSTEM. This bulletin provides an overview of the combined software updates for cluster 3; PPE/PPC.

JSON: [/v1/bulletins/11033479](/v1/bulletins/11033479)

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