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Acronym Guide

A

ABS
Anti-lock Braking System
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AWD
All Wheel Drive
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B

BCM
Body Control Module
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C

CCA
Cold Cranking Amps
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CKP
Crankshaft Position Sensor
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CPI
Central Port Injection
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CWP
Camshaft Position Sensor
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D

DERM
Diagnostic Energy Reserve Module
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DLC
Diagnostic Link Connector
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DTC
Diagnostic Trouble Codes
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E

ECT
Engine Coolant Temperature
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EGR
Exhaust Gas Recirculation
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ESC
Electronic Spark Control
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F

FSM
Factory Service Manual
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I

IAC
Idle Air Control
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IAT
Intake Air Temperature
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ICS
Idle Control System
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ISC
Idle Speed Control
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K

KS
Knock Sensor
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M

MAF
Mass Air Flow
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MAP
Manifold Absolute Pressure
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N

NSS
Neutral Safety Switch
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O

OBD
On-Board Diagnostics
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P

PCM
Powertrain Control Module
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PWM
Pulse Width Modulation
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R

RPO
Regular Production Option
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RWD
Rear Wheel Drive
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S

SDM
Sensing Diagnostic Module
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SES
Service Engine Soon
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SIR
Supplemental Inflatable Restraint (air bag)
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T

TBI
Throttle Body Injection
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TCC
Torque Converter Clutch
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TFT
Transmission Fluid Temperature
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TPS
Throttle Position Sensor
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TSB
Technical Service Bulletin
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V

VCM
Vehicle Control Module
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VIN
Vehicle Identification Number
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VSS
Vehicle Speed Sensor
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