2021-2022 Audi Steering Wheel Heater Not Working TSB
Audi has issued Technical Service Bulletin 2053869/4 for 2021-2022 models experiencing a non-functional heated steering wheel or a warning light. This TSB addresses DTC B145504, which indicates a defective temperature sensor. The fix involves clearing the fault code, not replacing the steering…
David Chen2022 Audi e-tron
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If you own a 2021-2022 Audi and are experiencing issues with your heated steering wheel, such as it not working or a warning light appearing, you're not alone. Audi has released Technical Service Bulletin (TSB) 2053869/4 to address this specific concern. This bulletin outlines a common diagnostic trouble code (DTC) related to the steering wheel heating system and provides a straightforward solution.
The TSB focuses on instances where the Audi steering wheel heater malfunctions, often accompanied by a specific fault code stored in the vehicle's control module. The good news is that the recommended fix typically does not involve replacing the entire steering wheel.
Symptoms
Owners of affected vehicles may notice one or both of the following symptoms:
- The heated steering wheel is not working as expected.
- A warning malfunction light appears in the instrument cluster related to the steering wheel.
Fault Codes / DTCs
When diagnosing this issue, technicians may find a specific diagnostic trouble code stored in the steering column electronics control module, identified as J527 (address word 0016).
| Code | Description | Module |
|---|---|---|
| B145504 | Temperature sensor of steering wheel heating defective (active/static) or (passive/sporadic) with symptom code 7340800 | J527 (Steering column electronics control module) |
What the Service Bulletin Says
Technical Service Bulletin 2053869/4 explains that the Audi steering wheel heater can sometimes switch itself off after approximately five minutes under certain conditions. Environmental factors, such as direct sunlight or high temperatures, can contribute to this premature deactivation. To reactivate the heater, the driver typically needs to press the steering wheel heater button again or cycle the ignition.
The bulletin clarifies that if DTC B145504 is stored, the primary solution is to clear the fault code from the J527 control module. It explicitly states that replacing the steering wheel is not necessary for this particular issue. If other DTCs related to the steering heater are present in the J527 module, further diagnostic steps using the Guided Fault Finding (GFF) system or other relevant TSBs should be followed.
What to Do
If your 2021-2022 Audi is experiencing a non-functional heated steering wheel or a related warning light, and you suspect this TSB applies to your vehicle, it is recommended to schedule an appointment with an authorized Audi service center. Inform them about the symptoms you are experiencing and mention Technical Service Bulletin 2053869/4 and the potential for DTC B145504.
The service center will be able to diagnose the issue, confirm the presence of DTC B145504, and perform the necessary action to clear the fault code. This should restore the proper function of your Audi steering wheel heater without requiring a costly steering wheel replacement.
Source: NHTSA ID 10181981
Frequently Asked Questions
- What does DTC B145504 mean in my Audi?
- DTC B145504 in your Audi indicates a defective temperature sensor within the steering wheel heating system. This fault code is often associated with a non-functional heated steering wheel or a warning light in the cluster.
- Why does my Audi heated steering wheel turn off after a few minutes?
- According to TSB 2053869/4, your Audi heated steering wheel might turn off after about five minutes due to environmental conditions like direct sunlight or high temperatures. You can usually reactivate it by pressing the heater button again or cycling the ignition.
- Is replacing the steering wheel necessary for the B145504 fault?
- No, Technical Service Bulletin 2053869/4 specifically states that replacing the steering wheel is not necessary for the DTC B145504 fault. The recommended fix is to clear the diagnostic trouble code from the steering column electronics control module (J527).
- What should I do if my Audi steering wheel heater isn't working?
- If your Audi steering wheel heater isn't working, you should contact an authorized Audi service center. Mention your symptoms and refer to Technical Service Bulletin 2053869/4, as the issue is likely resolvable by clearing the DTC B145504 fault code.
Otras revisiones de este TSB
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