2021 Audi Lineup Outside Air Temperature Display TSB
Audi has issued Technical Service Bulletin 90 20 65 2032113/4 (NHTSA ID 10179112) regarding potentially incorrect outside air temperature readings in 2021 models. This bulletin explains the vehicle's programming logic for temperature display, clarifying that apparent inaccuracies are usually…
David Chen2021 Audi e-tron
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Audi has released Technical Service Bulletin (TSB) 90 20 65 2032113/4 to address customer concerns about potentially inaccurate outside air temperature readings in various 2021 models. This TSB, which supersedes previous bulletin 20-44, provides detailed information on the vehicle's temperature display logic rather than identifying a fault. If you notice your Audi e-tron temperature display incorrect, this bulletin explains why it might appear that way.
Symptoms
The primary symptom described by customers is an incorrect outside ambient temperature display. Owners might observe that the displayed temperature does not immediately reflect actual changes in the environment, or that it seems stuck at a certain value. This can lead to the impression that the Audi e-tron temperature display incorrect or malfunctioning.
Fault Codes / DTCs
This Technical Service Bulletin does not mention any specific Diagnostic Trouble Codes (DTCs) associated with the outside air temperature display. The issue is related to the vehicle's normal operating logic, not a fault that generates a code.
What the Service Bulletin Says
Technical Service Bulletin 90 20 65 2032113/4 clarifies that the outside air temperature display is designed with a
Frequently Asked Questions
- Why does my Audi's outside temperature display change slowly?
- Your Audi's outside temperature display is programmed to change gradually, not instantly. It will not change faster than 4°F (2°C) per minute to provide a smoother, more stable reading, as explained in TSB 90 20 65 2032113/4.
- Is an incorrect Audi outside air temperature display a sign of a faulty sensor?
- Not usually. Technical Service Bulletin 90 20 65 2032113/4 indicates that if the perceived inaccuracies occur under specific driving conditions, the temperature sensor is typically not at fault and does not need replacement. The display behavior is often due to the vehicle's programming logic.
- What does Audi Technical Service Bulletin 90 20 65 2032113/4 address?
- This TSB provides general information and background on how the outside air temperature display functions in Audi vehicles. It explains the programming logic that can make the display seem incorrect, such as delays when stationary, speed-dependent updates, and influences from engine heat or coolant temperature.
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