2019-2026 Audi Steering Wheel Heating Not Sufficient TSB

Audi has released Technical Service Bulletin (TSB) 2065978/5 to address customer concerns regarding the steering wheel heating system in various 2019-2026 Audi models. This TSB clarifies that many perceived issues with the Audi steering wheel heating are actually normal operating characteristics of the system, rather than a defect.

Symptoms

Owners may notice several conditions related to their steering wheel heating:

• The steering wheel does not heat up at all.
• The steering wheel does not heat up sufficiently.
• The steering wheel heats up unevenly.
• It takes a long time for the steering wheel to heat up.
• The steering wheel heating does not switch on or connect.
• The steering wheel heating cannot be activated.
• The heat output for the steering wheel heating feels too low.
• The steering wheel heating appears partially out of order.

Diagnosis / Trigger Conditions

According to Audi TSB 2065978/5, there are no diagnostic trouble codes (DTCs) associated with these concerns, as they often stem from the normal operation and design of the heating system. The TSB provides important technical background for understanding why the Audi steering wheel heating might not feel as expected:

• Warm-up Time: It can take up to 30 minutes for the steering wheel to reach its target temperature of approximately 86°F (30°C). This duration is significantly influenced by the vehicle's interior temperature and the settings of the heater/air conditioner.
• Uneven Heat Distribution: The surface temperature of the leather can vary across the steering wheel. Areas near the spokes may feel cooler because heat dissipates into these components. Additionally, the top part of the steering wheel (12 o'clock position) can be warmed by sunlight, creating a noticeable temperature difference compared to other areas.
• Driver Interaction: If a driver holds the steering wheel at the 9 and 3 o'clock positions, their hands will warm those areas. When they then touch the 12 and 6 o'clock positions, these areas may feel cooler because they haven't been warmed by hand contact.
• Sensor Readings: The NTC temperature sensor, located within the foam underneath the steering wheel cover, measures 93°F (34°C) when the surface temperature is 86°F (30°C). This difference can sometimes lead to a perception that the heating is insufficient.

Repair Procedure Summary

This Technical Service Bulletin is informational only. It states that