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Ford F-150 / Ranger Body Control Module (BCM) Smart Junction Box Item in Original Box
OEM CertifiedFactory Sealed OEM

Key Diagram & Connector Pinout Callouts

Lighting FETPins 1-40

PWM headlight, turn, and interior drivers

PATS TransceiverPins 60-64

Key recognition coil and immobilizer

Primary OEM Part #JL3Z-15603-A
Inventory Available 6 Ready to Ship

Ford F-150 / Ranger Body Control Module (BCM) Smart Junction Box

Manufacturer: Ford Motor Company OEM / FoMoCo • SKU: BCM-FORD-JL3Z-15603

Standard Dealership Market Price:$820.00
Direct Buy Now Price:$599.00
Save 27% ($221)
Quantity:
1
(Max 6 in batch)
Same-day Dispatch
24-Month Motorcraft Warranty

OEM Interchanges & Cross Reference

Mechanics can cross-reference with these stamped casing and manufacturer numbers:

JL3Z-15603-A (Primary)JL3Z15603AJL3Z-15603-BML3Z-15604-BKB3Z-14B476-AA

Product Overview & Technical Description

Factory brand-new Ford Smart Junction Box (SJB) / Body Control Module for 2018-2024 F-150 and Ranger. Combines the cabin fuse distribution, micro-relays, FET lighting drivers, and the PATS keyless transceiver. Resolves parasitic draws, dead turn signals, and SYNC network wake-up faults.

Key Engineering Features:

  • Integrated fuse/relay distribution + body ECU in one module
  • FET-protected lighting and accessory drivers with thermal cutoff
  • Resolves parasitic draw and SYNC wake-up faults
  • Virgin flash for FDRS/IDS programming

Guaranteed Vehicle Fitment (2014–2026)

Supported MakesFord, Lincoln
Model Years Covered2018 – 2024
Eligible ModelsF-150 • Ranger • Expedition • Navigator

Hardware & Electrical Specs

Operating Voltage:12V DC (8.5-16V)
Pin Terminal Count:176 Pins
Terminal Plating:Tin power / gold signal
Protocols / Bus:HS-CAN, MS-CAN, LIN
LocationPassenger under-dash SJB
Fuse Capacity45 mini fuses + 12 relays
NetworkHS-CAN1/2, MS-CAN, LIN
Boxed Weight5 lbs
Box Dimensions11.5 x 8.8 x 3.4 in
VIN Flashing / ProgrammingRequired via Pass-Thru