Reference meaning
What does this code mean?
The wording below belongs to the named make and communication. Match the complete code, reporting module, model year and engine before applying it.
A code identifies a detected condition, not a part that must automatically be replaced.
Narrow by vehicle
A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
Before replacing a part
Record codes and freeze-frame data. Check battery condition, related codes and visible wiring or hose damage. Follow the vehicle's diagnostic procedure and test results before replacing parts.
Scan worksheet →Manufacturer communications
17Original wording in English
PORSCHE
Technical information for Vehicle Not Ready to Drive / Fault Memory Entry “Fuse for High-Voltage System” (P0A9500 / P0E2F00) in High-Voltage Battery Control Unit - Observe Work Procedure
MERCEDES-BENZ
Complaint 243: Red 12V battery message, white HV warning message, warning message in the IC and if applicable for vehicles with BMS30EB02 yellow HV drive system 465: Red 12V battery message, white HV warning message, warning message in the IC If the initial warning messages are ignored in the same ignition cycle, additional warn…
POLESTAR
This is a Technical Journal: Text Plus 1 .jpg Propulsion Message with DTC BECM P0A9500 and/or P0E2F00. Perform a "High-voltage system overview" read out
VOLVO
This is a Technical Journal: Propulsion Message with DTC BECM P0A9500 and/or P0E2F00. Check the following parameters below. Utilize the High-voltage system overview to make sure that the contactors are closed while performing this check.
Check vehicle applicability
99A listed vehicle is a research lead. Confirm the engine, production range and software in the manufacturer's information.
| Make | Model | Model year |
|---|---|---|
| Mercedes-Benz | AMG C63 S E ↗ | 2024 |
| Mercedes-Benz | AMG C63 S E ↗ | 2023 |
| Mercedes-Benz | AMG G63 ↗ | 2025 |
| Mercedes-Benz | AMG GLC63 S E ↗ | 2025 |
| Mercedes-Benz | AMG GLC63 S E ↗ | 2024 |
| Mercedes-Benz | AMG GT53E ↗ | 2024 |
| Mercedes-Benz | AMG GT63 S E ↗ | 2025 |
| Mercedes-Benz | AMG S 63 E 4MATIC+ ↗ | 2025 |
Can I keep driving?
A code alone cannot establish whether driving is safe. A flashing malfunction light, severe shaking, overheating, oil-pressure warning or loss of braking or steering needs prompt attention. Stop in a safe place and seek assistance when control or engine safety is affected. Follow the vehicle handbook.