2022-2024 Audi e-tron GT / RS e-tron GT P0A9500 TSB

Audi has released Technical Service Bulletin (TSB) 2071488/1 to address a specific issue affecting 2022-2024 Audi e-tron GT and RS e-tron GT vehicles. Owners may experience a situation where the vehicle's drive system cannot be activated, accompanied by a red electrical system warning lamp illuminating on the dashboard. This condition is typically associated with a Diagnostic Trouble Code (DTC) P0A9500.

This TSB provides detailed instructions for technicians to diagnose and resolve the problem, ensuring the safe and proper operation of the high-voltage system in affected vehicles. The focus keyword for this issue is Audi e-tron GT P0A9500.

Symptoms

Owners of 2022-2024 Audi e-tron GT and RS e-tron GT models may observe the following symptoms:

• The vehicle's drive system cannot be activated, preventing the car from moving.
• A red electrical system warning lamp illuminates on the instrument cluster.

Fault Codes / DTCs

When these symptoms occur, workshop findings indicate that the following Diagnostic Trouble Code (DTC) may be stored in the Battery Manager Control Unit (BMC), also known as -J840- (address word 008C):

• DTC P0A9500 (High Voltage Fuse) with symptom code 1310729 (active/static)

Other related fault codes may also be stored in conjunction with Audi e-tron GT P0A9500.

Diagnosis

If the customer reports the described symptoms and the DTC P0A9500 is found to be stored as either static or active in the Battery Manager Control Unit, the condition is confirmed. Technicians are instructed to proceed with the repair procedure outlined in the TSB.

Repair Procedure Summary

To resolve the issue associated with DTC P0A9500, technicians must replace specific high-voltage components. The repair involves following the detailed steps provided in the Audi Repair Manual and utilizing the ODIS test plans for proper execution. The primary components to be replaced are:

• The High-Voltage Battery Control Module (component code SX6), which is also known as the Battery Junction Box or Battery Isolator.
• The Power Output Protection with Boost Function (component code J1178), also identified as DC/DC Converter 2.

After replacing these parts, technicians are required to recheck the vehicle for proper operation to ensure the fault is resolved and the drive system functions correctly.

Required Parts

For the repair, the following parts are typically required. Technicians should always verify the latest information and part bulletins with their Parts Department and/or ETKA.

• Part Number 9J1915251: Battery isolator (SX6). Quantity: 1. This part should be ordered by VIN.
• Part Number 9J1915539: Voltage Transformer (J1178). Quantity: 1. This part should also be ordered by VIN.

Additionally, fasteners, bolts, coolant, nuts, and screws may be needed as specified in the Repair Manual, available via ETKA/ELSA.

Warranty Information

This repair falls under Claim Type 110 and is covered for up to 48 Months or 50,000 Miles. The Service Number for this bulletin is 9327, with a Damage Code of 0040. Labor operations involved include replacing the switching unit for the high-voltage battery (9327 5550) and replacing the DC/DC converter (9319 5555). These labor operations have specific predecessor and additional operations that may vary by vehicle equipment. All warranty claims must adhere to the Audi Warranty Policies and Procedures Manual.

Important Warnings

Owners should be aware that if their vehicle is outside of the specified warranty period, this Technical Service Bulletin 2071488/1 is provided for informational purposes only. The repair cost may not be covered by Audi in such cases.

Owner Action

If your 2022-2024 Audi e-tron GT or RS e-tron GT exhibits symptoms such as the drive system not activating or a red electrical system warning lamp, it is recommended to contact an authorized Audi dealership. Inform them about the symptoms and mention the potential relevance of TSB 2071488/1 and the Audi e-tron GT P0A9500 fault code. The dealership will be able to diagnose the issue accurately and perform the necessary repairs according to the manufacturer's guidelines.

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Source: NHTSA ID: 10242974