2021-2023 Audi Gearbox Warning P17F900 TSB
A technical service bulletin (TSB) addresses the 'Gearbox warning is on' message and diagnostic trouble code P17F900 in various 2021-2023 Audi models. This bulletin provides information for technicians to address the issue when DTC P17F900 is stored in the Transmission Control Module (TCM).

Also applies to
- Audi A4
- 2021–2023
- Audi A4 allroad
- 2021–2023
- Audi A5
- 2021–2023
- Audi A6
- 2021, 2023
- Audi A6 allroad
- 2021–2023
- Audi A7
- 2021–2023
- Audi Q5
- 2021–2023
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Owners of certain 2021-2023 Audi models may encounter a 'Gearbox warning is on' message displayed in their vehicle, often accompanied by the diagnostic trouble code (DTC) P17F900 stored in the Transmission Control Module (TCM). This technical service bulletin (TSB), identified by NHTSA Manufacturer Communication ID 10247202, provides crucial information for technicians to diagnose and address this specific condition.
Symptoms
The primary symptom owners will notice is the explicit message "Gearbox warning is on" appearing in the vehicle's instrument cluster or infotainment system. This warning indicates a detected fault within the transmission system.
Fault Codes / DTCs
When the "Gearbox warning is on" message appears, technicians will typically find the following diagnostic trouble code stored in the Transmission Control Module (TCM):
- P17F900: This code is directly associated with the gearbox warning condition described in the bulletin.
Diagnosis / Trigger Conditions
The bulletin specifies that the condition is triggered when the Audi gearbox warning P17F900 is stored in the Transmission Control Module (TCM). Technicians will use diagnostic tools to confirm the presence of this specific DTC to proceed with the appropriate information provided in the bulletin.
Repair Procedure Summary
This bulletin, NHTSA Manufacturer Communication ID 10247202, serves to provide information to technicians regarding the diagnosis and resolution of the Audi gearbox warning P17F900 issue. While the specific repair steps are not detailed in the summary, the bulletin guides service personnel on how to address the underlying cause of the P17F900 DTC and the associated gearbox warning. The goal is to ensure proper functioning of the transmission system and clear the warning message.
Owner Action
If you experience the "Gearbox warning is on" message or suspect an issue related to the Audi gearbox warning P17F900 in your 2021-2023 Audi A4, A5, A6, A7, or Q5, it is recommended to schedule an appointment with an authorized Audi service center. Provide them with details of the warning message and any other symptoms you have observed. Technicians will utilize the information provided in this manufacturer communication to properly diagnose and resolve the issue.
Source: NHTSA Manufacturer Communication ID 10247202
Frequently Asked Questions
- What does the 'Gearbox warning is on' message mean in my Audi?
- The 'Gearbox warning is on' message indicates that your Audi's transmission system has detected a fault. This often correlates with a specific diagnostic trouble code (DTC) stored in the Transmission Control Module (TCM).
- What is DTC P17F900 and how is it related to the gearbox warning?
- DTC P17F900 is a specific diagnostic trouble code that, when stored in your Audi's Transmission Control Module (TCM), is associated with the 'Gearbox warning is on' message. This code helps technicians pinpoint the nature of the transmission issue.
- Which Audi models are affected by the gearbox warning P17F900 issue?
- This issue, related to the Audi gearbox warning P17F900, primarily affects 2021-2023 Audi A4, A5, A6, A6 allroad, A7, and Q5 models.
- What should I do if I see the 'Gearbox warning is on' message or suspect DTC P17F900?
- If you see the 'Gearbox warning is on' message or believe your vehicle has DTC P17F900, you should contact an authorized Audi service center. They have access to the manufacturer communication (NHTSA ID 10247202) that provides detailed information for diagnosing and resolving this specific problem.
Other revisions of this TSB
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