Glossary of Acronyms

A/C Air Conditioning

ABS Antilock Brake System

ACC A/C Compressor Clutch

ACM Airbag Control Module

ASD Automatic Shutdown Relay

ATX Automatic Transaxle

AWD All Wheel Drive

B+ Battery Voltage

Backfire or Popback Fuel ignites in either the intake or the exhaust system.

BPEGR Backpressure Exhaust Gas Recirculation

CCD Bus Chrysler Collision Detection Serial Data Bus

CHMSL Center High Mounted Stop Lamp

CKP Crankshaft Position Sensor

CKT Circuit

CMP Camshaft Position Sensor

CTRL Control

Cuts Out, Misses A steady pulsation or the inability of the engine to maintain a consistent rpm.

Detonation, Spark Knock A mild to severe ping, especially under loaded engine conditions.

DIS Direct Ignition System

DLC Data Link Connector (Previously called "Engine [1][2]Diagnostic Connector")

DRB II Diagnostic Readout Box II (Chrysler Scan Tool)

DTC Diagnostic Trouble Code

EATX Electronic Automatic Transaxle

ECT Engine Coolant Temperature Sensor

EEPROM Electronically Eraseable Read Only Memory

EET Electronic EGR Transducer

EGR Exhaust Gas Recirculation

EI Electronic Ignition (DIS)

EMCC Electronically Modulated Converter Clutch

ETBE Ethyl Tertiary Butyl Ether

EVAP Evaporative Emission Control System

FF Flexible Fuel

FLEX Flexible Fuel (Mixture Of Gasoline Methanol)

FR Fuel Filler Tube Restrictor

FWD Front Wheel Drive

GEN Generator (previously called "alternator")

Generator previously called "alternator"

Hard Start The engine takes longer than usual to start, even though it is able to crank normally.

Hesitation, Sag, Stumble There is a momentary lack of response when the throttle is opened. This can occur at all vehicle speeds. If it is severe enough, the engine may stall.

HO2S Heated Oxygen Sensor

IAC Idle Air Control Valve

IAT Idle Air Temperature Sensor

IOD Ignition OFF Draw

Lack of Power, Sluggish The engine has less than expected power, with little or no increase in vehicle speed when the throttle is opened.

LED Light Emitting Diode

M Manifold Vacuum

MAP Manifold Absolute Pressure Sensor

MIL Malfunction Indicator Lamp (Check Engine)

MTBE Methyl Tertiary Butyl Ether

MTV Manifold Tuning Valve

MVLPS Manual Valve Lever Position Switch (Park/Neutral Switch)

MVLPS Manual Valve Lever Position Switch (previously called "Park/Neutral Switch)

O2S Oxygen Sensor (Left sensor when there are two sensors)

O2SR Right Oxygen Sensor

OBD On-Board Diagnostics

OBD II On-Board Diagnostics, Stage II

OC Oxidation Catalyst

ORD Overdrive Running Clutch

P Ported Vacuum

PAIR Pulse Air Injection System

PCM Powertrain Control Module

[1][2]PCV Positive Crankcase Ventilation

[1][2]PDC Power Distribution Center

PIWWC Pulse Intermittent Windshield Wiper Control

Poor Fuel Economy There is significantly less fuel mileage than other vehicles of the same design and configuration.

PRNDL Park, Reverse, Neutral, Drive, Low (Switch), ("prndl")

PSBM Passive Seat Belt Module

Rough/Unstable/Erratic Idle, Stalling The engine runs unevenly at idle and causes the engine to shake if it is severe enough. The engine idle rpm may vary (called "hunting"). This condition may cause stalling if it is severe enough.

S/C Speed Control

SFI Sequential Fuel Injection

SPK Ignition Spark Controls

SRI Service Reminder Indicator

SRS Supplemental Restraint System (Air Bag)

Start & Stall The engine starts but immediately dies.

STI Self Test Input (Data Link Connector)

Surge Engine rpm fluctuation without corresponding change in throttle position sensor.

T Throttle Body Vacuum

TAC Thermostatic Air Cleaner

TBI Throttle Body Injection

TCC Torque Converter Clutch

TCM Transaxle Control Module

TPS Throttle Position Sensor

TWC 3-way Catalytic Converter

VSS Vehicle Speed Sensor

WOT Wide Open Throttle

VAC Vacuum

VECI Vehicle Emission Control Information (Label)

NOTE: If this information differs from the Vehicle Emission Control Information (VECI) label, under vehicle hood, follow VECI label.