acronyms
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From: Youngstown, OH
ABS: Anti-lock Brake System
ACM: Airbag Controller Module
AFC: Air Fuel Control: used on 94 - 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
BD: Bully Dog as in BD1, BD2, BD3 = Bully Dog Stage 1 (2 or 3) injectors
BDC: Bottom dead center
BE: model designation for the Quad Cab Ram pickup
BR: model designation for standard cab Ram pickup (and maybe the CC Pickup) more below
BFSC: Brake Specific Fuel Consumption - pounds of diesel fuel consumed to produce 1 HP for 1 hour
BHAF: Big Honkin' Air Filter
BOMB: Better Off Modified Baby; anything that makes your CTD better (it is possible)
CAB: Controller Anti-lock Brake:
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
CPL: Control Part List: listing of engine parts and timing specifications for a Cummins engine (Ram CPL numbers)
CTD: Cummins Turbo Diesel
CTM: Central Timer Module: controls RKE, chime, courtesy lamps, Speed sensitive Intermittent wipers, enhanced accident response, VTSS
DAB: Driver Air Bag module
DC DC or D/C: DaimlerChrysler
DD: Diesel Dynamics as in 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)
DTC: Diagnostic Trouble Code: Fault code set by control module when sensor data is not as expected
DTR: Dodge Truck Resource
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 Nitrogen
emissions
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
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
FP: Fuel Pressure
FPG: Fuel Pressure Gauge
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 GCW
GVW: Gross Vehicle Weight: total curb weight of the truck and payload.
GVWR: Gross Vehicle Weight Rating: maximum allowable GVW
HCU: Hydraulic Control Unit: modulates the brake pressure for ABS
HVAC: Heating, Ventilation & Air-Conditioning
HX35: Holset turbocharger used for most 94+ diesel Rams. Also used on 2000+ diesel Rams with the automatic transmission
HX40: Holset turbocharger intended for C engines, but used by some performance enthusiasts on the Ram's B engine
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 1998.5 Ram
KDP: Killer dowel pin inside the timing gear case on 94-98 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 a$$embly
LED: Light Emitting Diode: semiconductor lamp used for displays and warning lamps
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
MHAF: Mid-size Honkin' Air Filter
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 system
OBD 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 Port
PSI: 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
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 a$$ist 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 a$$igned to each vehicle
VSS: Vehicle Speed Sensor/Signal
VTSS: Vehicle Theft Security System: anti theft system with engine disable, alarm, and door lock features
YMMV: - Your Mileage May Vary
WIF: Water In Fuel sensor: detection system for water in fuel filter on 1994+ diesel engines
WOT: Wide Open Throttle: maximum throttle position
ACM: Airbag Controller Module
AFC: Air Fuel Control: used on 94 - 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
BD: Bully Dog as in BD1, BD2, BD3 = Bully Dog Stage 1 (2 or 3) injectors
BDC: Bottom dead center
BE: model designation for the Quad Cab Ram pickup
BR: model designation for standard cab Ram pickup (and maybe the CC Pickup) more below
BFSC: Brake Specific Fuel Consumption - pounds of diesel fuel consumed to produce 1 HP for 1 hour
BHAF: Big Honkin' Air Filter
BOMB: Better Off Modified Baby; anything that makes your CTD better (it is possible)
CAB: Controller Anti-lock Brake:
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
CPL: Control Part List: listing of engine parts and timing specifications for a Cummins engine (Ram CPL numbers)
CTD: Cummins Turbo Diesel
CTM: Central Timer Module: controls RKE, chime, courtesy lamps, Speed sensitive Intermittent wipers, enhanced accident response, VTSS
DAB: Driver Air Bag module
DC DC or D/C: DaimlerChrysler
DD: Diesel Dynamics as in 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)
DTC: Diagnostic Trouble Code: Fault code set by control module when sensor data is not as expected
DTR: Dodge Truck Resource
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 Nitrogen
emissions
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
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
FP: Fuel Pressure
FPG: Fuel Pressure Gauge
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 GCW
GVW: Gross Vehicle Weight: total curb weight of the truck and payload.
GVWR: Gross Vehicle Weight Rating: maximum allowable GVW
HCU: Hydraulic Control Unit: modulates the brake pressure for ABS
HVAC: Heating, Ventilation & Air-Conditioning
HX35: Holset turbocharger used for most 94+ diesel Rams. Also used on 2000+ diesel Rams with the automatic transmission
HX40: Holset turbocharger intended for C engines, but used by some performance enthusiasts on the Ram's B engine
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 1998.5 Ram
KDP: Killer dowel pin inside the timing gear case on 94-98 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 a$$embly
LED: Light Emitting Diode: semiconductor lamp used for displays and warning lamps
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
MHAF: Mid-size Honkin' Air Filter
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 system
OBD 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 Port
PSI: 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
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 a$$ist service departments
TST: Diesel engine power enhancement company run by Mark Chapple
VB: Valve body - auto trans
VE: Bosch Distributor type injection pump used on 89-93 Ram diesel engines
VP44: Bosch electronic fuel injection pump used on 1998+ Ram diesel engines
VIN: Vehicle Identification Number: unique serial number a$$igned to each vehicle
VSS: Vehicle Speed Sensor/Signal
VTSS: Vehicle Theft Security System: anti theft system with engine disable, alarm, and door lock features
YMMV: - Your Mileage May Vary
WIF: Water In Fuel sensor: detection system for water in fuel filter on 1994+ diesel engines
WOT: Wide Open Throttle: maximum throttle position
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here ya go "smilin' bob"
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From: markham, ontario, canada
BD: Bully Dog as in BD1, BD2, BD3 = Bully Dog Stage 1 (2 or 3) injectors
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Kampnnut
3rd Gen Engine and Drivetrain -> 2003-2007
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Dec 8, 2006 06:39 AM
