Unlocking secret BMS information with Autel EV diagnostic tablets

Unlocking secret BMS information with Autel EV diagnostic tablets

Autel diagnostic tablets connect directly to EV battery modules, accessing all datastream PIDs for precise diagnostics.

The Autel EV lineup of diagnostic tablets provides technicians with a solution to the common challenge of limited visibility into all datastream PIDs on hybrid/PHEV and full electric vehicles. These vehicles will often have more than 100 wires going to the BMS (battery management module), according to Autel.

When a typical scan tool is connected to the OBD 2, it will only see 50-60 datastream PIDs, and some of those are from other modules. This leaves more than 40 additional diagnostic circuits that cannot be seen. This can lead to difficult and time-consuming pinpoint diagnostics to get to the root of what is ailing the electric drive system.

Autel allows the technician to attach directly to the low-voltage circuitry of the BMS, for complete visibility into all data stream PIDs, with the battery in or out of the vehicle.

This video is sponsored by Autel.

You May Also Like

Can you jumpstart an EV?

First thing’s first: Find the LV battery, which could be anywhere in the vehicle.

bendpakEVgarage12Vjump

Here’s a real-world scenario: A customer brings their EV into your shop for service, and it’s been there for quite a while because the parts are on backorder. After a few weeks, you get in the vehicle to move it out of your way, and the ignition won’t turn on. It’s acting like the battery is dead, so what do you do now?

AMN Drivetime: Grace Hovis, Hovis Auto & Truck Supply

Grace Hovis’s journey in Hovis Auto & Truck Supply blends tradition with digital innovation in the automotive aftermarket industry.

Drivetime_-Hovis-1400x700-1
AMN Drivetime: MEMA’s 120th anniversary with Bill Long

MEMA looks to the future as it celebrates 120 years making a big impact.

AMN MEMA
How important is regenerative braking for EVs?

Regenerative braking helps to increase the overall efficiency and range of the EV, increasing the range of an EV by up to 20%.

EV-IQ-EV-regenbrakes
BEV brake service tips

In order to disconnect the 12-volt power system on the Model S you must access the “frunk” or front trunk. And before you disconnect the 12-volt battery you need to do two things.

bendpak-EV-garage

Other Posts

Grid management at the intersection of hardware and software

We discuss the need for renewable energy generation and the benefits of managing EV charging intelligently at a hyperlocal level.

wallbox-1920-cdk-1400
What you need to know about EV cooling systems

The large batteries that EVs carry need to be maintained within a specific temperature range for optimal performance.

EV-IQ-EV-Cooling-Systems-1400
AMN Drivetime with Epicor’s Jon Owens

Owens describes what he’s learned from volunteering in the industry and his vision for AACF as current its president.

Jon-Owens-AMN-Feb-24
Are EVs really more expensive to maintain?

We speak with CDK Global’s director of content marketing and industry analyst about EV maintenance, EV tax credits and the effect that social networks have on one’s knowledge and interest in EVs.

Amped-CDK-1400