Glossary of Acronyms
A/C Air ConditioningABS 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 ([1][2]Park/Neutral Switch)
MVLPS Manual Valve Lever Position Switch (previously called "[1][2]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
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.