2000 Ford Taurus SELFACTORY OEM SERVICE PROCEDURE

Rear Window Defoggers DTCS

REAR WINDOW DEFOGGERS DIAGNOSTIC TROUBLE CODE (DTC) LIST

DTC Description Perform Test
B1342 GEM Defective Using NGS tester, retrieve and record continuous DTCs. Clear all DTCs. Perform GEM self-test. If DTC B1342 is retrieved again, replace GEM.
B1345 Heated Backlite Input Circuit Short To Ground A
B1347 Heated Backlite Relay Circuit Failure If rear defogger does not operate correctly, perform TEST A: REAR WINDOW DEFOGGER INOPERATIVE . If rear defogger will not turn off, perform TEST B: REAR WINDOW DEFOGGER WILL NOT TURN OFF
B1349 Heated Backlite Relay Short To Voltage A
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.