I attempted to read the service codes on my 2003 Ford Expedition 4.6 I hooked up the diagnostic scan tool to the OBDII DLC port and the scanner could not link to the trucks computer. I checked the fuse the the DLC connection is wired to and it is was NOT blown. I am baffled to what it could be.

Asked by Jul 19, 2016 at 07:27 AM about the 2003 Ford Expedition XLT 4WD

Question type: Maintenance & Repair

3 Answers

60

Ground problem

46,025

Turn ignition key to on, engine not running?

12,015

Check the DLC / ODBII port connector after all these years the pins get pushed out make sure all pins are in postion and check pin number 16 for 12volts

Your Answer

Add photo

Related Questions

  • Expedition guages going haywire 2 answers

    I have a 2004 Expedition, it has always ran great. Then a month ago all gauges went crazy while driving, but kept running fine. I was on a trip and it did i;4t 3 other times the same day, about 2 hr...

    2004 Ford Expedition Eddie Bauer 4WD

    -

    Maintenance & Repair

  • How do I solve electrical problems with dash mounted accessories? 17 answers

    We recently bought a 2002 ford expedition xlt and have had no problems until today. This morning my wife drove my daughter to school (about 15 miles), along the way the parking brake light came on. ...

    2002 Ford Expedition

    -

    Maintenance & Repair

  • Why wont motor turn after replacing timing chain and guides 3 answers

    The original timing guides were damaged, so I removed them and replaced with new chain, sprockets, and tensionors well after replacing went to started and motor would not turn so I removed them and tr...

    2001 Ford Expedition XLT

    -

    Maintenance & Repair

  • is it by design?? Need help!! I am baffled!! 2 answers

    Hello guys. I need your help with something, and this has happened to me twice now!! A while ago, I received a 1970-74 Ford/Mercury steering wheel. it has the wood trim horn cap without cruise. when ...

    1973 Ford Mustang Base Convertible

    -

    Maintenance & Repair

  • I have an 89 Festiva that wont keep running. 13 answers

    One day my wife and I were sitting in the car talking. I started the car, and it was running fine, then quit. I tested for spark... getting a nicely timed spark from the coil, so I suspected the fuel ...

    1989 Ford Festiva L

    -

    Maintenance & Repair

Expedition

Looking for a Used Expedition in your area?

CarGurus has 24,841 nationwide Expedition listings starting at $1,150.

ZIP:

Search Ford Expedition Questions

Ford Expedition Experts

#1 T_S_T
T_S_T
Reputation 1,890
#2 Larry Sturgis
Larry Sturgis
Reputation 1,310
#3 lightGear
lightGear
Reputation 1,010
View All

Related Models For Sale

Used Chevrolet Tahoe
559 Great Deals out of 28,789 listings starting at $1,699
Used Ford Explorer
929 Great Deals out of 72,328 listings starting at $1,499
Used Chevrolet Suburban
309 Great Deals out of 19,624 listings starting at $1,350
Used Lincoln Navigator
98 Great Deals out of 5,759 listings starting at $1,900
Used Ford F-150
2,222 Great Deals out of 205,382 listings starting at $1,499
Used GMC Yukon
347 Great Deals out of 17,898 listings starting at $2,950
Used GMC Yukon XL
235 Great Deals out of 12,315 listings starting at $2,950
Used Cadillac Escalade
245 Great Deals out of 11,086 listings starting at $2,495
Used Toyota Sequoia
151 Great Deals out of 5,626 listings starting at $2,700
Used Nissan Armada
131 Great Deals out of 8,736 listings starting at $3,900
Used Ford Excursion
7 Great Deals out of 770 listings starting at $4,250
Used Dodge Durango
268 Great Deals out of 22,629 listings starting at $1,200
Used Ford F-250 Super Duty
338 Great Deals out of 46,815 listings starting at $1,895
Used Toyota 4Runner
236 Great Deals out of 20,491 listings starting at $1,800

Used Cars For Sale

2017 Ford Expedition XLT 4WD For Sale
1,623 listings starting at $31,000
2016 Ford Expedition XLT 4WD For Sale
14 Great Deals out of 254 listings starting at $28,689
2015 Ford Expedition XLT 4WD For Sale
60 listings starting at $25,961
2014 Ford Expedition XLT 4WD For Sale
50 listings starting at $19,995

Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. Please refer to CarGurus Terms of Use.