Repair Service LiFePo4 12V Battery including Porsche Audi Volkswagen

Common Errors and Solutions: Error Code P1B0200

One of the most common problems with LiFePo4 12V batteries is the error code **P1B0200**. This error code indicates a problem with the communication between the battery and the vehicle. This can be due to a defective processor, in this case the **MM9Z1**, or a problem with the connectivity of the different components of the battery.

At Car Key we have the expertise and specialized equipment to diagnose and repair this fault quickly. Our technicians are trained to work with these advanced systems and can restore your battery to peak condition, without the high cost of a full replacement.

Models Using LiFePo4 12V Batteries

The LiFePo4 12V batteries can be found in various models of well-known car brands. Some examples of cars equipped with this battery are:

- Audi e-tron

- Audi Q7 e-tron

- Porsche Cayenne E-Hybrid

- Porsche Panamera E-Hybrid

- Volkswagen Touareg Hybrid

- Volkswagen ID.3

- Volkswagen ID.4

These cars use the LiFePo4 12V battery because of its reliability and longer lifespan compared to traditional lead-acid batteries. However, like any sophisticated component, there can be malfunctions that require immediate attention.

Parts We Repair

The LiFePo4 12V batteries contain various components that can fail or become defective. At Car Key we repair the following components:

- 4M0915169G

- 4M0915105B

- 9Y0915105J

- 9Y0915105

- 9J1915105

- 9Y0915105M

- 9Y0915107K

- 9Y0915105GY

- 9Y0915105JY

- 9Y0915105LY

- 9Y0915105MJ

- 9Y0915105NY

- 9Y0915105QY

- 9Y0915105L

- 9Y0915105J

Our service ensures that these parts are accurately analyzed and, if necessary, repaired or replaced with high-quality components. This not only guarantees a longer battery life but also a better overall performance of your electric car.