High-Voltage Battery Module

What does this module do?

The battery management system monitors cell voltages, temperatures and current, sets charge and discharge limits and performs cell balancing. On electric vehicles it is one of the largest module families in the map.

What do the makes call this module?

The name of a module doing the same job changes from make to make. The names below are the actual definition names used under this type in the CarCoding scan map (70 distinct names):

Which makes define it?

The map holds 106 definitions for this type, spread across 29 make groups:

• Audi23 definitions
• Volkswagen23 definitions
• PSA13 definitions
• Renault6 definitions
• Nissan4 definitions
• BYD3 definitions
• Honda3 definitions
• Toyota3 definitions
• Volvo3 definitions
• Ford2 definitions
• Geely2 definitions
• Li Auto2 definitions
• Mazda2 definitions
• MG2 definitions
• Changan1 definitions
• Chery1 definitions
• Dongfeng1 definitions
• FAW1 definitions
• FCA1 definitions
• Fiat1 definitions
• GAC1 definitions
• GENERIC1 definitions
• GM1 definitions
• GWM1 definitions
• Hyundai1 definitions
• Jaguar Land Rover1 definitions
• Mitsubishi1 definitions
• SsangYong1 definitions
• Wuling1 definitions

Address and protocol

Every definition in the map is marked as UDS. 53 of the addresses are 11-bit CAN identifiers (three digits, such as 7E0) and 53 are 29-bit extended identifiers (such as 18DA10F1). The most frequent addresses for this type are: 7E4 (7), 7E5 (5), 7E7 (3), 17FC007B (2).

Other module types

• Seat Module177 definitions
• High-Voltage System Modules153 definitions
• Body Control Module126 definitions
• Door Module121 definitions
• Steering Module119 definitions
• Climate Control Module117 definitions
• Transmission Control Unit117 definitions
• Lighting Module97 definitions

← All ECU modules

Data source: the CarCoding ECU scan map (ecuDatabase.ts). The addresses and names in the table are definitions from the map; they can differ depending on the hardware and software version in your vehicle.