2009 Kia Borrego LX, 3.8 1, RWDFACTORY OEM SERVICE PROCEDURE

Button Engine Start System DTCS

BUTTON ENGINE START SYSTEM DIAGNOSTIC TROUBLE CODES (DTC) LIST

DTC Description
B1602 CAN ERR
B1603 CAN Communication Bus Off
B1987 Sub Micom Failed
B1988 ESCL BAT Short To BAT
B1989 ESCL GND Short To BAT
B1990 ESCL BAT Short To GND
B1991 IMMO TX Short To GND
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.

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.

Rather have a pro handle this?

A certified mobile mechanic comes to your home or office. They bring the tools, you stay comfortable. No tow truck, no waiting room, no surprises.

Comes to youSame-day available12-month warranty
Get a Free Quote

No obligation. See pricing before you book.