by ellis93 » Fri Nov 11, 2011 6:35 pm
Stole this
2WD Two Wheel Drive
4WD Four Wheel Drive
ABS Anti-lock Brake System: Modulates braking pressure to control wheel lockup
ACM Airbag Controller Module: monitors sensors and deploys airbag(s) in the event of an accident
AFC Air Fuel Control: used on 94
89 - 98 diesels to control fuel rate at low boost
APPS Accelerator Pedal Position Sensor: used on ISB diesel for electronic throttle control
ASD Auto Shut Down: relay control system used to shut down engine
BDC Bottom dead center - the lowest position of a piston in the cylinder occurs when the crank pin is at bottom dead center
BE model designation for the Quad Cab Ram pickup
BFSC Brake Specific Fuel Consumption - pounds of diesel fuel consumed to produce 1 HP for 1 hour
BHAF Big Honkin' Air Filter - oversized filter used by the diesel gang
BR model designation for standard cab Ram pickup (and maybe the CC Pickup) more below
CAB Controller Anti-lock Brake:
CARB California Air Rescouces Board: environmental regulatory agency in
CACCD Chrysler Collision Detection: data bus system used by the airbag and the anti-lock brake systems
CHMSL Center High Mounted Stop Light: 3rd brake light at top of truck cab
CKP Crank Position Sensor: detects position and speed of engine crankshaft
CMP Camshaft position sensor: detects position of camshaft
CP3 Common Rail Injection Pump, 03 and up
CPL Control Part List: listing of engine parts and timing specifications for a Cummins engine (Ram CPL numbers)
CTD Cummins turbo diesel - used by many on mail lists and message boards
CTM Central Timer Module: controls RKE, chime, courtesy lamps, Speed sensitive Intermittent wipers, enhanced accident response,
VTSSDAB Driver Air Bag module: airbag and firing system mounted in the steering wheel center
DC DC or D/C = DaimlerChrysler - used on mail lists and message boards
DD1 DD1, DD2, DD3 = Diesel Dynamics Stage 1 (2 or 3) injectors
DEE Order code for the NV5600 6 speed manual transmission
DLC Data Link Connector: used to interface diagnostic equipment with vehicle electronics
DRB scan tool used to obtain diagnostic trouble codes (DTC) from controller modules
DRB III new generation scan tool used to obtain diagnostic trouble codes (DTC)
DRW Dual Rear Wheel
DTC Diagnostic Trouble Code: Fault code set by control module when sensor data is not as expected
DTT Diesel Transmission Technologies - aftermarket auto trans upgrade specialist
EBC 2 RWAL brake system
EBC 325 four wheel anti-lock brake system
ECM Engine Control Module: microprocessor based module that controls various engine functions
ECT Engine Coolant Temperature Sensor
EEPROM Electrically Erasable Programmable Read Only Memory: controller reprogrammable memory
EGR Exhaust Gas Recirculation: used to reduce combustion temperature and pressure to control Oxides of Nitrogenemissions
EGT Exhaust Gas Temperature: Important measurement for hard working diesel engines
EMCC Electronically Modulated Converter Clutch: used for torque converter lockup control in the automatic transmission
ETC Order code for diesel engine
ETH 2001 Order code for the High Output diesel engine
ETH/DEE Slang for the 2001 HO diesel with the NV5600 six speed
ESS Engine Speed Sensor
EVA Electronic Vibration Analyzer - used to diagnose chassis, engine, and drivetrain vibrations
EVR Electronic Voltage Regulator: circuitry in the PCM which controls battery charging and alternator functions
FASS Aftermarket Fuel Pump
FCA Fuel Control Accuator: 03+ Common Rail enginesFP Fuel Pressure
FPCM Fuel injection Pump Control Module: controls injection pump on 98+ diesel engines
GAWR Gross Axle Weight Rating: maximum safe load capacity of an axle measured at the ground.
GCW Gross Combined Weight: total weight of equipped truck, payload, trailer, water, and equipment.
GCWR Gross Combined Weight Rating: maximum allowable GCWGVW Gross Vehicle Weight: total curb weight of the truck and payload.
GVWR Gross Vehicle Weight Rating: maximum allowable GVWHCU Hydraulic Control Unit: modulates the brake pressure for ABS
HX35 Holset turbocharger used for most 94+ diesel Rams.
HX40 Holset turbocharger intended for C engines, but used bysome performance enthusiasts on the Ram's B engine
HY35 Holset turbocharger used on 2000+ diesel Rams with the automatic transmission
IAT Intake Air Temperature Sensor
IAC Idle Air Control valve: used for emissions control on gasoline engines
IP Instrument Panel
ISB Interact System B: Cummins designation for the 24 Valve "B" series diesel introduced to the 1998 Ram
JTEC Jeep, Truck Engine Control: Combined engine and transmission control module
K&N Aftermarket filter and intake system manufacturer
KDP Killer dowel pin inside the timing gear case on 89-98 12 valve diesels. If this pin falls out of its blind hole, the repair is expensive. The two preventative repairs are the Washer Tab and Drill Jig/Bolt
LDP Leak Detection Pump: used in the 4 wheel ABS valve assembly
LED Light Emitting Diode: semiconductor lamp used for displays and warning lamps
LP Lift Pump
LSD limited slip differential
LWB long wheelbase (or LB, for long box or long bed)
MAP Maximum Absolute Pressure sensor: used for emission control
MDS(2) Mopar Diagnostic System: diagnostic computer system for service departments
MIC Mechanical Instrument Cluster: Instrument cluster controller and display system
MIL Malfunction Indicator Light: used by engine control system to indicate a problem to the driver
MTV Manifold Tuning Valve: used to vary the manifold runners for engine performance and emission control
O2S Oxygen Sensor: measures oxygen content of exhaust stream. Used to modify air to fuel ratio for emission control
OBD On Board Diagnostics: Ram engine and powertrain self diagnostic systemOBD II On Board Diagnostics II: enhanced diagnostic system to meet 1997 EPA requirements
P7100 Fuel injection pump used with 1994 - 1998 Ram 12 valve diesel engines
PAB Passenger Air Bag module: airbag and firing mechanism on the passenger side
PADS Passenger Airbag Disarm Switch: Override switch to disable
PAB when children are riding in front seat
PCI Programmable Communications Interface
PCM Powertrain Control Module: microprocessor based module that controls engine and drivetrain functions
PCV Positive Crankcase Ventilation: vacuum system used to control crankcase (blowby) emissions
PDC Power Distribution Center: Fuse and relay power distribution center located under the hood.
PEP Peripheral Expansion Portpsi Pounds per Square Inch: pressure measurement
RAM Random Access Memory: read and write memory used by controllers for data storage
RKE Remote Keyless Entry: remote operated door lock system
RPM Revolutions Per Minute: the speed of a turning shaft or rotor
ROM Read Only Memory: controller "hard" memory that is permanently written - EEPROM may be reprogrammed with appropriate diagnostic tools
RWAL Rear Wheel Anti Lock brakes:
SBEC Single Board Engine Controller
SCI Serial Communications Interface: Used by the PCM for diagnostics and for communication with other controller modules
SCTM Seatbelt Timer Control Module: inertia latching seatbelt controller built into Quad Cab Models
SKIM Sentry Key Imobilizer Module: disables engine start until Secret Key is entered using DRB scan tool !!! Required when a new PCM is installed in a vehicle
SRW Single Rear Wheel
SWB (or SB, for short box or short bed)
TCC Torque Converter Clutch
TCM Transmission Control Module: May not be used on Ram trucks
TDC Top Dead Center: the highest position of a piston in the cylinder occurs when the crank pin is at top dead center
TDR Turbo Diesel Register - club for Ram diesel owners - with a website, magazine, and rallys
TPS Throttle Position Sensor
TRS Transmission Range Sensor
TSB Technical Service Bulletin: repair and technical information bulletins to assist service departments
TST Diesel engine power enhancement company run by Mark Chapple
VB Valve body - auto trans
VE Bosch Distributor type injection pump used on 89-93 Ram diesel engines
VP44 Bosch electronic fuel injection pump used on 1998+ Ram diesel engines
VIN Vehicle Identification Number: unique serial number assigned to each vehicle
VSS Vehicle Speed Sensor/Signal
VTSS Vehicle Theft Security System: anti theft system with engine disable, alarm, and door lock features
WIF Water In Fuel sensor: detection system for water in fuel filter on 1994+ diesel engines
WOT Wide Open Throttle: maximum throttle position
93 D250 ,5 speed,4.11s,k&n autometer tach pyro trans boost guages,GDS 60mm h1c 14cm,honed 5x10,hplp/reg,1/8 timing,M+H M2 fuel pin, tims cooler tubz