Ford

Have Ford Questions? Ask a Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Ford

Ron i just need the diagnostic code list 1990 ford xlt

Customer Question
ron i just need the...
ron i just need the diagnstic code list for a 1990 ford xlt
Submitted: 2 years ago.Category: Ford
Show More
Show Less
Ask Your Own Ford Question
Answered in 18 minutes by:
10/4/2015
Ford Mechanic: Mike S., ASE Certified Technician replied 2 years ago
Mike S.
Mike S., ASE Certified Technician
Category: Ford
Satisfied Customers: 7,772
Experience: ASE Certified Master Technician
Verified

You can look them up here, https://actron.com/code-lookup

Ask Your Own Ford Question
Ford Mechanic: Mike S., ASE Certified Technician replied 2 years ago

Here is the list though:

Code List

  • Code 11—System pass

  • Code 12—RPM unable to reach upper test limit

  • Code 13—RPM unable to reach lower test limit

  • Code 14—Pip circuit failure

  • Code 15—PCM read only memory test failed

  • Code 15—PCM keep alive memory test failed

  • Code 16—IDM signal not received

  • Code 18—SPOUT circuit open or spark angle word failure

  • Code 18—IDM circuit failure or SPOUT circuit grounded

  • Code 19—Failure in PCM internal voltage

  • Code 21—ECT out of self-test range

  • Code 22—BP sensor out of self-test range

  • Code 22—BP sensor or MAP out of range

  • Code 23—TP sensor out of self-test range

  • Code 24—ACT sensor out of self-test range

  • Code 25—Knock not sensed during dynamic test

  • Code 26—VAF/MAF out of self-test range

  • Code 26—TOT out of self-test range

  • Code 26—TOT sensor out of self-test range (E-400)

  • Code 28—Loss of IDM, right side

  • Code 29—Insufficient input from vehicle speed sensor

  • Code 31—PFE, EVP or EVR circuit below minimum voltage

  • Code 32—EVP voltage below closed limit

  • Code 33—EGR valve opening not detected

  • Code 34—EVP voltage above closed limit

  • Code 35—PFE or EVP circuit above closed limit

  • Code 41—HEGO sensor circuit indicates system lean

  • Code 41—No HEGO switching detected

  • Code 42—HEGO sensor circuit indicates system rich

  • Code 44—Thermactor air system inoperative–right side

  • Code 45—Thermactor air upstream during self-test

  • Code 45—Coil 1, 2 or 3 failure

  • Code 46—Thermactor air not bypassed during self-test

  • Code 47—4WD switch closed (E40D)

  • Code 48—Loss of IDM, left side

  • Code 49—1–2 shift error (E40D)

  • Code 51—ECT/ACT reads −40°F or circuit open

  • Code 52—Power steering pressure switch circuit open

  • Code 52—Power steering pressure switch always open or closed

  • Code 53—TP circuit above maximum voltage

  • Code 54—ACT sensor circuit open

  • Code 56—VAF or MAF circuit above maximum voltage

  • Code 56—TOT reads −40°F or circuit open (E40D)

  • Code 59—2–3 shift error (E40D)

  • Code 61—ECT reads 254°F or circuit grounded

  • Code 63—TP circuit below minimum voltage

  • Code 64—ACT sensor grounded or input reads 254°F

  • Code 65—Overdrive cancel switch open, no change seen (E40D)

  • Code 66—MAF sensor input below minimum voltage

  • Code 66—TOT grounded or reads 290°F (E40D)

  • Code 67—Neutral/drive switch open or A/C on

  • Code 67—Clutch switch circuit failure

  • Code 67—MLP sensor out of range or A/C on (E40D)

  • Code 69—3–4 shift error

  • Code 72—Insufficient MAF/MAP change during dynamic test

  • Code 73—Insufficient TP change during dynamic test

  • Code 74—Brake on/off switch failure or not actuated

  • Code 77—Operator error

  • Code 79—A/C on during self-test

  • Code 79—A/C or defrost on during self-test

  • Code 81—Air management 2 circuit failure

  • Code 82—Air management 1 circuit failure

  • Code 84—EGR vacuum solenoid circuit failure

  • Code 85—Canister purge solenoid circuit failure

  • Code 86—Shift solenoid circuit failure

  • Code 87—Fuel pump primary circuit failure

  • Code 88—Loss of dual plug input control

  • Code 89—Converter clutch solenoid circuit failure

  • Code 91—Shift solenoid 1 circuit failure (E40D)

  • Code 92—Shift solenoid 2 circuit failure (E40D)

  • Code 93—Coast clutch solenoid circuit failure (E40D)

  • Code 94—Converter clutch solenoid circuit failure (E40D)

  • Code 95—Fuel pump secondary circuit failure— PCM to ground

  • Code 96—Fuel pump secondary circuit failure—battery to PCM

  • Code 97—Overdrive cancel indicator light—circuit failure(E40D)

  • Code 98—Electronic pressure control driver open in PCM (E40D)

  • Code 98—Hard fault present

  • Code 99—Electronic pressure control circuit failure (E40D)

  • Code 111—System pass

  • Code 112—ACT sensor circuit grounded or reads 254° F

  • Code 113—ACT sensor circuit open or reads −40° F

  • Code 114—ACT outside test limits during KOEO or KOER tests

  • Code 116—ECT outside test limits during KOEO or KOER tests

  • Code 117—ECT sensor circuit grounded

  • Code 117—ECT sensor circuit below minimum voltage or reads 254°F

  • Code 118—ECT sensor circuit open

  • Code 118—ECT sensor circuit below maximum voltage or reads −40°F

  • Code 121—Closed throttle voltage higher or lower than expected

  • Code 122—TP sensor circuit below minimum voltage

  • Code 123—TP sensor circuit below maximum voltage

  • Code 126—BP or MAP sensor higher or lower than expected

  • Code 128—MAP vacuum circuit failure

  • Code 129—Insufficient MAF or MAP change during dynamic responded test

  • Code 144—No HEGO switching detected

  • Code 167—Insufficient TP change during dynamic response test

  • Code 171—Fuel system at adaptive limit, HEGO unable to switch

  • Code 172—HEGO shows system always lean

  • Code 173—HEGO shows system always rich

  • Code 174—HEGO switching time is slow

  • Code 179—Fuel at lean adaptive limit at part throttle; system rich

  • Code 181—Fuel at rich adaptive limit at part throttle; system lean

  • Code 182—Fuel at lean adaptive limit at idle; system rich

  • Code 183—Fuel at rich adaptive limit at idle; system lean

  • Code 211—PIP circuit fault

  • Code 212—Loss of IDM input to PCM or SPOUT circuit grounded

  • Code 213—Spout circuit open

  • Code 224—Erratic IDM input to processor

  • Code 225—Knocked not sensed during dynamic response test

  • Code 311—Thermactor air system inoperative

  • Code 312—Thermactor air upstream during self-test

  • Code 313—Thermactor air not bypassed during self-test

  • Code 327—EVP or DPFE circuit below minimum voltage

  • Code 328—EGR closed voltage higher than expected

  • Code 332—Insufficient EGR flow detected

  • Code 334—EGR closed voltage higher than expected

  • Code 337—EVP or DPFE circuit above maximum voltage

  • Code 411—Cannot control rpm during KOER low rpm check

  • Code 412—Cannot control rpm during KOER high rpm check

  • Code 452—Insufficient input from vehicle speed sensor

  • Code 511—EEC processor ROM test failed

  • Code 512—EEC processor Keep Alive Memory test failed

  • Code 513—Failure in EEC processor internal voltage

  • Code 519—Power steering pressure switch circuit open

  • Code 521—Power steering pressure switch did not change state

  • Code 525—Vehicle in gear or A/C on during self-test

  • Code 536—Brake on/off circuit failure, switch not actuated during KOER test

  • Code 538—Insufficient RPM change during KOER dynamic response test

  • Code 538—Operator error

  • Code 542—Fuel pump secondary circuit failure: PCM to ground

  • Code 543—Fuel pump secondary circuit failure: Battery to PCM

  • Code 552—Air management 1 circuit failure

  • Code 553—Air management 2 circuit failure

  • Code 556—Fuel pump primary circuit failure

  • Code 558—EGR vacuum regulator circuit failure

  • Code 565—Canister purge circuit failure

  • Code 569—Canister purge 2 circuit failure

  • Code 617—1–2 shift error (E40D)

  • Code 618—2–3 shift error (E40D)

  • Code 619—3–4 shift error (E40D)

  • Code 621—Shift solenoid 1 circuit failure

  • Code 622—Shift solenoid 2 circuit failure

  • Code 624—EPC solenoid or driver circuit failure

  • Code 625—EPC driver open in PCM

  • Code 626—Coast clutch solenoid circuit failure (E40D)

  • Code 627—Converter clutch solenoid circuit failure (E40D)

  • Code 628—Converter clutch error (E40D)

  • Code 629—Converter clutch control circuit failure

  • Code 631—Overdrive cancel indicator light circuit failure

  • Code 632—Overdrive cancel switch not changing states (E40D)

  • Code 633—4WD switch is closed

  • Code 634—MLP sensor voltage out of self-test range, A/C on

  • Code 636—TOT sensor voltage out of self-test range

  • Code 637—TOT sensor circuit above maximum voltage

  • Code 638—TOT sensor circuit below minimum voltage

  • Code 654—MLP sensor not in park position

  • Code 998—Hard fault present

»

Ask Your Own Ford Question
Ask Mike S. Your Own Question
Mike S.
Mike S.
Mike S., ASE Certified Technician
Category: Ford
Satisfied Customers: 7,772
7,772 Satisfied Customers
Experience: ASE Certified Master Technician

Mike S. is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on.

Rich DUSA

Because of your expertise, you armed me with enough ammunition to win the battle with the dealer. They are installing a fuel filter and fuel pump at no charge to me.

MollyUSA

I needed help with my car on Saturday morning....got a response in 5 minutes, and it was the perfect solution. Thanks again to your service.

Jason V.Kirkland, WA

I do know, after going though this with JustAnswer, that I can somewhat trust my mechanic but I will always contact you prior to going there.

BRNew Jersey

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

< Previous | Next >

Meet the Experts:

Ron

Ron

ASE Certified Technician

24,320 satisfied customers

23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs

Chris (aka- Moose)

Chris (aka- Moose)

Technician

28,139 satisfied customers

16 years experience

John Mc

John Mc

Ford Technician

5,495 satisfied customers

19 years Ford Lincoln Mercury experience

Chuck

Chuck

ASE Certified Technician

1,685 satisfied customers

33 Years Experience,Ford Senior Master,ASE Master,L1 Advanced Engine Performance

Cam

Cam

Journeyman Automotive Technician

10 satisfied customers

GM Grand Master Technician 2007. 14 years Automotive experience.

Richard

Richard

ASE Certified Technician

1,524 satisfied customers

12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman.

Mike V.

Mike V.

Auto Service Technician

1,380 satisfied customers

25 years experience on all makes and models, Licensed NYS Inspector.

< Previous | Next >

Related Ford Questions
I have a 2006 Ford Explorer. For the past several weeks, I
I have a 2006 Ford Explorer. For the past several weeks, I have been having issues with the dash lights going off and then immediately come back on red and then going normal. Sometimes there is a loud… read more
Gabriel Grey
Gabriel Grey
Master Service Technician
Associates
368 satisfied customers
98 f150 esof. Turn 4x4 switch nothing happens no light no
98 f150 esof. Turn 4x4 switch nothing happens no light no engage. check fuses good. power to Tcase relay module. I can put ground either BR/W on the relay and it will click but still no engagement. Is… read more
Michael Solis
Michael Solis
363 satisfied customers
I have a 2009 pk ranger that keeps throwing up a speed
i have a 2009 pk ranger that keeps throwing up a speed sensor code ,but i have replace sensor with new one ,problem persists, any sugestions as to what else can cause the speed sensor to show up as a … read more
sprinkles08
sprinkles08
Technician
High School or GED
11 satisfied customers
Started fine driving noticed the battery light was on other
Started fine driving noticed the battery light was on other instrument lights came on dome light came on a block later everything shut down . Battery dead nothing works … read more
Ron Z.
Ron Z.
Vocational, Technical or Trade Scho
2 satisfied customers
Front heater fan not working. Coolant level is good.
Just noticed it this morning hopping it is an simple fix \i can do myself … read more
Mechanic01
Mechanic01
1,645 satisfied customers
No heat coming from vents. i checked fuses replaced blower
no heat coming from vents . i checked fuses replaced blower switch on panel controls fan speed. got no where … read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
24,320 satisfied customers
When I crank it up, it warms up but then the rpm begins to
When I crank it up, it warms up but then the rpm begins to go down and the truck starts shaking. … read more
Mike V.
Mike V.
Auto Service Technician
High School or GED
1,380 satisfied customers
Not sure if anyone can help with this. 02 F350 7.3 Diesel.
Not sure if anyone can help with this. 02 F350 7.3 Diesel. Past history has this truck cutting out occasionally. Over the past two+ years I have replaced the ICP sensor many times, replaced the IPR, r… read more
Cesar Jimenez
Cesar Jimenez
Owner/CEO
Vocational, Technical or Trade School
84 satisfied customers
The panel/defrost door linkage that is controlled by the
The panel/defrost door linkage that is controlled by the vacuum motor is broken. How do I remove and replace that? 1997 f150 … read more
APenland
APenland
Ford Senior Master Technician
Associate in Industrial Management
3,186 satisfied customers
I have a 1994 Ford Explorer XLT. I have just replaced the
I have a 1994 Ford Explorer XLT. I have just replaced the heater blower motor, the "squirrel cage" fan, 50 amp fuse and relay but the fan only works on high… read more
Peter Concannon
Peter Concannon
Construction, Plant Fitter
57 satisfied customers
I have a 2004ford e 150 xl with 4 wheel abs. It is having
Hello i have a 2004ford e 150 xl with 4 wheel abs. It is having issues with a sinking pedal at low speed or a stop if u pump sometimes will get firm but will eventually sink i have changed out 2 maste… read more
Chad Farhat
Chad Farhat
Owner
Associate Degree
4,393 satisfied customers
Running rough. Cat is red hot. no power. Changed plugs,
running rough. Cat is red hot. no power. Changed plugs, distributor cap and rotor and the air fuel sensor upstream from the cat. Stilll no change … read more
TIM MOHR
TIM MOHR
SHOP OWNER
Master's Degree
8,037 satisfied customers
Grandson has a 2015 ford fusion hybred. they have found it
grandson has a 2015 ford fusion hybred. they have found it has water in the oil. have not told him why. has this problem shown up before. they also tell him that "water intrusion" is not covered by wa… read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
24,320 satisfied customers
Can a 2011 Ford 150 4x4 with Eco Boost motor be towed 4
Can a 2011 Ford 150 4x4 with Eco Boost motor be towed 4 wheels down? … read more
Gabriel Grey
Gabriel Grey
Master Service Technician
Associates
368 satisfied customers
2011 Fusion I have 2 error messages" Check Fuel Fill Line"
2011 Fusion I have 2 error messages " Check Fuel Fill Line" and Service Power Steering now It appears the EPS system has stopped … read more
Chris (aka- Moose)
Chris (aka- Moose)
Technician
Vocational, Technical or Trade School
28,139 satisfied customers
How do you open the cover of the power distribution box,
how do you open the cover of the power distribution box, 1997 F-350 7.3 … read more
Ron
Ron
ASE Certified Technician
Vocational, Technical or Trade Scho
24,320 satisfied customers
08 ford crown victoria won't start, the fuse number 20 under
08 ford crown victoria won't start, the fuse number 20 under the hood should be 12 volt if the ignition on, but now its only 0.13v.… read more
David Craig
David Craig
OWNER/MECHANIC
Associates
4,375 satisfied customers
I have purchased two A7 Genuine Ford chips to replace my A4
I have purchased two A7 Genuine Ford chips to replace my A4 SD cards in each MKX and neither one works. It will work for about 10 days and then a message displays something like navigation cannot read… read more
APenland
APenland
Ford Senior Master Technician
Associate in Industrial Management
3,186 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x