# Service bulletin A191669 2043770\-

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: 10118398
- Published by NHTSA: 2017\-10\-04
- Manufacturer's number: A191669 2043770\-
- Manufacturer's date: 2016\-03\-31
- NHTSA component: ENGINE AND ENGINE COOLING

## NHTSA's summary

The MIL is on due to DTC P218100 being stored in the ECM. The coolant temperature gauge does not work, the vehicle does not reach operating temperature, and the cooling fan runs constantly. The coolant temperature control sends an implausible signal. The coolant thermostat does not work.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2016/MC-10118398-9999.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2016/MC-10118398-0001.pdf)

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

## Components

Engine

## Trouble codes named

P2181

## Vehicles listed

- 2008 to 2010 AUDI R8
- 2013 AUDI R8
- 2012 AUDI R8 GT SPYDER
- 2011 AUDI R8 SPYDER
- 2014 to 2015 AUDI R8 SPYDER

## Other bulletins for the same vehicles and component

- [TSB\_2060750\_5](/bulletins/11028398.md), 2026-02-06, Service bulletin: ENGINE. This bulletin provides information regarding UV leak additive for finding oil leaks.
- [TSB\_2075530\_2](/bulletins/11016532.md), 2025-04-04, Service bulletin: ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
- [A0124482014753\_13](/bulletins/11012476.md), 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](/bulletins/11009928.md), 2024-11-06, Service bulletin: ENGINE. This bulletin provides informatin when the engine does not run smoothly at idling speeds.
- [A2424632074810\_2](/bulletins/11009327.md), 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.
- [2012242027912](/bulletins/10250436.md), 2024-02-20, Service bulletin: ENGINE AND ENGINE COOLING. Spyder rattle noise from left rear
- [0112572028344](/bulletins/10250415.md), 2024-02-20, Service bulletin: ENGINE AND ENGINE COOLING. Idle speed characteristic during cold start
- [A0023712070568\_1](/bulletins/10242903.md), 2023-10-05, Service bulletin: ENGINE AND ENGINE COOLING. This bulletin provides information on professional noise analysis with the VAS 611 015 PICO NVH Tool.
- [A102326201828810](/bulletins/10238273.md), 2023-07-10, Service bulletin: ENGINE AND ENGINE COOLING. This bulletin provides information on checking for debris when replacing an engine.
- [A912394201818713](/bulletins/10236376.md), 2023-06-06, Service bulletin: ENGINE AND ENGINE COOLING. This bulletin provides information for when the customer advises that there is cracking, grinding, rattling, humming, whining, or similar interference.

JSON: [/v1/bulletins/10118398](/v1/bulletins/10118398)

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