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Home >> Chevrolet >> 2018 >> Bolt EV LT >> Repair and Diagnosis >> Electrical >> Motors, Switches, Relays >> Hybrid/EV Energy Storage - Description And Operation >> Description and Operation >> Drive Motor Battery System Description >> Notes

Drive Motor Battery System Description: Notes

Fig 1: Identifying Drive Motor Battery System Components
GM4519337Courtesy of GENERAL MOTORS COMPANY
Callout Schematic Reference
or Generic Name
Scan Tool Reference Service Information Part Name
or Electronic Part Catalog Name
1 K10 Coolant Heater Control Module Electric Passenger Compartment Heater parameters hosted by Hybrid Powertrain Control Module 2 Heater Coolant Heater
2 T6 Power Inverter Module
  • Hybrid Powertrain Control Module
  • Drive Motor Control Module 1
Drive Motor Power Inverter Module
3 A4 Hybrid/EV Battery Pack Not Applicable High Voltage Battery
4 S15 Manual Service Disconnect Not Applicable Drive Motor Battery High Voltage Manual Disconnect Lever
5 E54 Hybrid/EV Battery Pack Coolant Heater Hybrid/EV Battery Pack Heater parameters hosted by Hybrid Powertrain Control Module 2 High Voltage Battery Heater
6 G1 A/C Compressor Electric A/C Compressor Control Module Air Conditioning Compressor
7 T18 Battery Charger Battery Charger parameters hosted by Hybrid Powertrain Control Module 2 Drive Motor Battery Charger
8 K1 14V Power Module 14V Power Module Accessory DC Power Control Module
9 T24 Battery Charger - DC DC Charging Control Module (CBT) High Voltage Battery Control Wiring Junction Block
Fig 2: Hybrid/EV Battery Internal Components
GM4519338Courtesy of GENERAL MOTORS COMPANY
Hybrid/EV Battery Internal Components

Callout Schematic Reference or Generic Name Scan Tool Reference Service Information Part Name
1 C4A Hybrid/EV Battery Section 1 Not Applicable Cell Battery Module (Row 1, 3)
2 C4B Hybrid/EV Battery Section 2 Not Applicable Cell Battery Module (Row 2)
3 C4C Hybrid/EV Battery Section 3 Not Applicable Cell Battery Module (Row 1, 3)
4 C4D Hybrid/EV Battery Section 4 Not Applicable Cell Battery Module (Row 4)
5 C4E Hybrid/EV Battery Section 5 Not Applicable Cell Battery Module (Row 5)
6 K16 Battery Energy Control Module Battery Energy Control Module Battery Energy Control Module
7 A28 Hybrid/EV Battery Contactor Assembly Not Applicable High Voltage Battery Disconnect Relay