Glossary of Terms

1999 Jeep Cherokee 2WD L4-2.5L VIN PSECTION Glossary of Terms
ABS antilock brake system
AC alternating current
BCM Body Control Module
CAB Controller - Antilock Brake
CCD Chrysler Collision Detection
DC Direct Current
DLC Data Link Connector
DRB Diagnostic Read-out Box
EDW Electrical Distribution Wiring
EMI Electro Magnetic Interference
HCU Hydraulic Control Unit
HZ Hertz
ISO International Standards Organization
JBLK Junction Block
JTEC Jeep And Truck Engine Controller
LF Left Front
LR Left Rear
PCM Powertrain Control Module
PDC Power Distribution Center
P/M Pump Motor
RF Right Front
RR Right Rear
RFI Radio Frequency Interference
SCI Serial Communication Interface
SOL Solenoid
WSS Wheel Speed Sensor

RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.