- ALCL – assembly line communications link (GM)
- ALDL – assembly line data link (GM)
- ASDM – airbag system diagnostic module (Chrysler)
- BCM – body control module (GM)
- CALPAK – calibration pack
- CECU – central electronic control unit (Nissan)
- CPU – central processing unit
- DERM – diagnostic energy reserve module (GM)
- DLC – data link connector (GM)
- EACV – electronic air control valve (Honda)
- EBM – electronic body module (GM)
- EBCM – electronic brake control module (GM)
- ECA – electronic control assembly
- ECM – electronic control module (GM)
- ECU – electronic control unit (Ford, Honda & Toyota)
- EEPROM – electronically erasable programmable read only memory chip
- EPROM – erasable programmable read only memory chip
- EI – electronic ignition (GM)
- IC – integrated circuit
- ICS – idle control solenoid (GM)
- ISC – idle speed control (GM)
- LCD – liquid crystal display
- LED – light emitting diode
- MIL – malfunction indicator lamp
- PCM – powertrain control module (supersedes ECM)
- PROM – program read only memory computer chip
- SES – service engine soon indicator (GM)
- TCC – torque converter clutch (GM)
- VCC – viscous converter clutch (GM)
ELECTRONIC COMPONENTS (OLDER OEM TERMINOLOGY)
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