OBDSTAR (T002) | Audi 48V Battery + DCDC Module – 15-pins DB15 Adapter Cable | Passenger Car
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The OBDSTAR T002 connects the 48V battery and DCDC module of Audi mild-hybrid vehicles to the 15-pin DB15 interface of the OBDSTAR diagnostic platform. On the vehicle side, multiple connections are available: alligator clamps for the battery and pre-assembled connectors that fit the DCDC module connection points.
In Audi's 48V electrical system, the DCDC module converts the 48V voltage to 12V for the rest of the on-board network. This cable set allows you to perform the 48V battery activation test procedure and connect and read out the module. Because the wiring is fixed and connectors are pre-assembled, you don't need to insert loose test probes, which reduces the risk of incorrect connections.
The cable is designed for bench diagnostics of these two components and does not provide general vehicle diagnostics. It operates at 48V: applicable safety regulations for high-voltage components apply. Which tests are available depends on your diagnostic platform; the models listed below are confirmed with their model years.
KEY BENEFITS
IMPORTANT NOTES
Applications and Functions
With a compatible OBDSTAR diagnostic platform, this cable set supports the following work on the 48V electrical system.
Control units you can access
- 48V lithium-ion battery: connected directly to the diagnostic platform via the alligator clamps.
- DCDC module: connected via its own connector to verify the 48V to 12V conversion.
What you can do
- 48V battery activation test: check battery status and activation behavior without installing the battery in the vehicle.
- DCDC module readout: assess the 48V to 12V conversion via the connected test platform.
- Bench diagnostics: test both components off the vehicle on the workbench.
- Prevent incorrect connections: work with fixed wiring and pre-assembled connectors instead of loose test probes.
- Please note: the cable does not perform tests itself and does not replace safety measures for 48V systems.
Compatible vehicles and applications
What matters is the presence of a 48V mild-hybrid system with its corresponding battery and DCDC module, not the model name. The Audi models listed below are confirmed based on source data. A version without a mild-hybrid system is not applicable, even with the same model name.
Audi:
- A6 / A7 (C8): vehicles with 48V mild-hybrid system (2018–present)
- A8 (D5): vehicles with 48V mild-hybrid system (2017–present)
- Q7 / Q8: vehicles with 48V mild-hybrid system (2019–present)
Package contents
- 1x OBDSTAR (T002) | Audi 48V Battery + DCDC Module – 15-pin DB15 Adapter Cable | Passenger Vehicle
Technical specifications
| Specification | Description |
|---|---|
| Brand | OBDSTAR |
| Part number | T002 |
| Type | Adapter cable |
| Application | Testing the 48V battery and DCDC module in Audi mild-hybrid vehicles |
| Vehicle-side connection | Audi 48V Battery + DCDC Module |
| Device connection | 15-pin DB15 |
| Control units | 48V lithium-ion battery and DCDC module |
| Segment | Passenger vehicle |
| Supported brands | Audi |
| Model range | Audi 2017–present, varies by model (see model list) |
| Required to use | OBDSTAR programmer with 15-pin DB15 interface, such as the DC706 with MP001 kit |
| Additional requirements | OBDSTAR test platform and prescribed safety measures for 48V systems |
| Weight | 0.2 kg |
