Chevy

Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

This answer was rated:

REPLACED A DAMAGED TDM (THEFT DETERRENT MODULE) IN MY 99…

REPLACED A DAMAGED TDM...

REPLACED A DAMAGED TDM (THEFT DETERRENT MODULE) IN MY 99 CHEVY TAHOE AND NOW MY SECURITY LIGHT IS ON SOLID. RELEARN PROCEDURE NOT WORKING, ALSO SCANNER SHOWING NO COMMUNICATION. THEFT MODULE IS USED FROM ANOTHER TAHOE

Mechanic's Assistant: Does the light flash, blink or stay solid? Have you tried to reset the security system?

SOLID, RESET NOT WORKING

Mechanic's Assistant: Are you fixing your Tahoe yourself? What have you tried so far?

MY FIRST TEXT EXPLAINS IT ALL

Mechanic's Assistant: Anything else you want the mechanic to know before I connect you?

ACTUALLY DO I NEED TO REFLASH MY VEHICLE COMPUTER TO GET MY COMPUTER TO COMMUNICATE PROPERLY

Show More
Show Less
Ask Your Own Chevy Question
Answered in 13 minutes by:
1/23/2018
kalamykid
kalamykid, Shop Owner/ Tech
Category: Chevy
Satisfied Customers: 5,593
Experience: I HAVE OWNED MY OWN SHOP FOR OVER THREE YEARS. I HAVE THE TOOLS AND SOFTWARE TO ANSWERE ALMOST ANY Q
Verified

Try doing these steps to get the tdm to be relearned. Make sure to clear all the codes from all modules before you do the relearn.

kalamykid
kalamykid, Shop Owner/ Tech
Category: Chevy
Satisfied Customers: 5,593
Experience: I HAVE OWNED MY OWN SHOP FOR OVER THREE YEARS. I HAVE THE TOOLS AND SOFTWARE TO ANSWERE ALMOST ANY Q
Verified
kalamykid and 87 other Chevy Specialists are ready to help you
Ask your own question now
Customer reply replied 6 months ago
IVE PERFORMED THIS PROCEDURE NUMEROUS TIMES TODAY, LIGHT NEVER FLASHED JUST STAYED SOLID, THE THEFT MODULE CAME OUT OF ANOTHER TAHOE JUST LIKE MINES WITH MATCHING PART NUMBER PN 16264955 CDLA. EVEN DISCONNECTED THE BATTERY FOR OVER AN HOUR WITH NO LUCK. I ACTUALLY GOT MY HANDS ON 2 DIFFERENT THEFT MODULES WITH SAME PART NUMBERS.

If you read the directions, when you replace the tcm, the theft light will only flash a couple of times then stay on solid.

Ask Your Own Chevy Question
Customer reply replied 6 months ago
MY LIGHT NEVER TURNED OFF OR FLASHED EVEN FOR A SECOND, I COMPLETED THE PROCEDURE TO A TEE PASS LOCK NEVER RESET,SECURITY LIGHT STILL ON

Then you will have to get a new tdm. Your system will not accept a used one.

Ask Your Own Chevy Question
Customer reply replied 6 months ago
WILL A REFURBISHED ONE WORK BECAUSE THIS TYPE OF SECURITY COMPONENT NO LONGER AVAILABLE I'VE BEEN TOLD. CAN THE MODULE I HAVE NOW BE PROGRAMMED TO MY VEHICLE COMPUTER SO THAT COMMUNICATION CAN BE ESTABLISHED BETWEEN THEM?

Yes a refurbished one will be wiped clean and will work. Reprogramming the pcm will not help any as the problem is the programming in the tdm itself.

Ask Your Own Chevy Question
Customer reply replied 6 months ago
MAKES SENSE, LET ME ASK YOU THIS, WHAT IF I PLUG IN THE PCM OF THE TRUCK I REMOVED THE TCM FROM INTO MY TRUCK, COULD THAT WORK OR AM I BEING RIDICULOUS

That would not work, as the ip cluster would not read.

Ask Your Own Chevy Question
Customer reply replied 6 months ago
OK THANKS FOR YOUR TIME AND KNOWLEDGE

You are very welcome.

Ask Your Own Chevy Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a chevy mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask kalamykid Your Own Question
kalamykid
kalamykid
kalamykid, Shop Owner/ Tech
Category: Chevy
Satisfied Customers: 5,593
5,593 Satisfied Customers
Experience: I HAVE OWNED MY OWN SHOP FOR OVER THREE YEARS. I HAVE THE TOOLS AND SOFTWARE TO ANSWERE ALMOST ANY Q

kalamykid 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:

I was having a terrible problem with the wheel bearings on my 98 Chevy Cavalier and I suspect that using this website saved me plenty of time and money.

Todd LRochester NY

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

< Previous | Next >

Meet the Experts:

GM Tech (Cam)

GM Tech (Cam)

Chevy Technician

15,756 satisfied customers

GM Grand Master Technician 2007. 14 years experience.

Gary

Gary

Chevy Technician

9,642 satisfied customers

15 years GM master tech

Tim&#039;s Auto Repair

Tim's Auto Repair

mechanic

8,884 satisfied customers

Have owned a repair shop for 25 yrs.

Dave Nova

Dave Nova

Chevrolet Technician

7,092 satisfied customers

ASE Master Certification. GM World Class Certification

John

John

Master A.S.E Automotive technician

4,071 satisfied customers

A.S.E MasterTechnician A1-A8 w/L1,38 years experience General Motors Master Technician

Don - Mo Lurch

Don - Mo Lurch

Auto Mech / Electronics

2,953 satisfied customers

Chevrolet Cert., Heavy Line Mech, Race Shop Owner, Mobile Electronics.

Ron Z.

Ron Z.

- Chevy Tech -

2,836 satisfied customers

18+yrs experience. State Inspector and Chevy Diagnostics

< Previous | Next >

Related Chevy Questions
I have a 2006 chevy Colorado that we have currently just
I have a 2006 chevy Colorado that we have currently just rebuilt the whole front end on. It was in a wreck and we drilled a front clip off of a good truck and out it on this truck and swap led the mot… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
Need to know how to reset ATS on 07 Chevy Silverado
***** ***** need to know how to reset ATS on 07 Chevy Silverado … read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
9,642 satisfied customers
2007 equinox will not start local mech says computer show a
2007 equinox will not start local mech says computer show a security code ? after period of time veh will start… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
I have a 2007 silverado 2500 with the theft deterrent light
i have a 2007 silverado 2500 with the theft deterrent light on, i have tried the relearn procedure, the light never goes out, not BAE or Z49 what do i do?… read more
ASEMaster35yrs
ASEMaster35yrs
Vocational, Technical or Trade Scho
1,314 satisfied customers
Chevrolet Tahoe: My 2007 Chevy Tahoe is showing the steady
My 2007 Chevy Tahoe is showing the steady anti theft light and my engine will not turn over. I'm over 100 miles away from home. This just happened out of the blue. Is there some sort of relearn or res… read more
Joecamel90
Joecamel90
Technician
Associate Degree
24 satisfied customers
Chevrolet Silverado 1500: i have a 2008 chevy silverado. Replaced
i have a 2008 chevy silverado. Replaced the motor had the battery unplugged for a few days. Charged that up and it still wont start. Plug in the a scanner and it shows code P0513… read more
ASEMaster35yrs
ASEMaster35yrs
Vocational, Technical or Trade Scho
1,314 satisfied customers
Chevrolet Malibu Classic: 2005 Chevy Malibu Classic with 2.2
2005 Chevy Malibu Classic with 2.2 ecotec. Drove car to softball practice, and everything was fine. Shut it off, practiced, came back and no start. Cranks, but no engine start. I had it towed home. Wh… read more
Tim&#039;s Auto Repair
Tim's Auto Repair
mechanic
High School or GED
8,884 satisfied customers
Chevrolet Cobalt LT: cannot relearn the key for my 2009 cobalt
cannot relearn the key for my 2009 cobalt , I replaced TDM trying to relearn the key car start to crank once after but battery was too weak , I disconnected the battery and charge it , after that coul… read more
GM Bob
GM Bob
Automobile Technician
High School or GED
1,060 satisfied customers
My 2005 Chevy Malibu Classic engine dies while I'm driving
My 2005 Chevy Malibu Classic engine dies while I'm driving it. For example, I was driving today at 75 on the freeway then the engine died. It usually will die when I turn on the a/c but other times, l… read more
Stone314
Stone314
Associate Degree
55 satisfied customers
2004 chevy malibu: ecotec..She drove home this evening with no problem
My daughter has a 2004 chevy malibu with the 2.2 ecotec motor. She drove home this evening with no problem, but upon going back out to leave....the car is a crank/no start now. Plenty of fuel pressure… read more
Ironmike
Ironmike
ASE Master L1 performance ,Ford tech
Vocational, Technical or Trade Scho
1,773 satisfied customers
2000 chevy blazer: a remote starter that doesnt work
Need to reset the security starting system in my sons 2000 chevy blazer ZR2. It has a remote starter that doesn't work. I used to have the steps but can't find them anywhere. Can you help me ?… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
2002 Chevy Blazer: stalls..ecm..Flashed..over a 167,000 miles on it
My vehicle starts and runs, then all of a sudden the vehicle stalls and will not start for a long period of time, I had Diagnostic test done on vehicle, they had gotten several codes U-1041, U-1016,U-… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
2004 chevy malibu: batt, check engine..theft..fuel pump
i bought this 2004 chevy malibu with a bad engine,but when i turn the key to start the engine i got no lights on the dash for 3 or 4 second and then i have batt, check engine, belt and theft security … read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
The anti-theft device is keeping my 05 Malibu classic from
The anti-theft device is keeping my 05 Malibu classic from starting. Is there a way I can reset it without carrying it to a dealership?… read more
Wicked Wrench
Wicked Wrench
Automotive Technology Instructor
Associate Degree
205 satisfied customers
My 2006 malibu LT wont start and the security light flashes,
My 2006 malibu LT wont start and the security light flashes, the doors wont lock nor unlock,but I have battery power, I have tried to play with the key fob to see if I accidently tripped the security … read more
BOBBYSS
BOBBYSS
TECHNICIAN/ADVISOR
Associate Degree
8,343 satisfied customers
2005 chevy malibu: changed battery..car will not crank..unlocked
have a 2005 chevy malibu , changed battery , now system locked down , car will not crank ,how do you get car system unlocked. can call back collect if you want to phone no. is 1(NNN) NNN-NNNN thanks… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
99 Cavalier: instrument cluster..I double checked everything too
I have a 99 Cavalier 2.2 liter. I tried to replace the instrument cluster. Everything looked good and I double checked everything too. But when I tried to start the car it wouldn't run. It would start… read more
eauto
eauto
self employed
High School or GED
74 satisfied customers
1998 chevy malibu: ran great..2sec then shuts down and the trunk pops
i have a 1998 chevy malibu that ran great my problem now is every time i try to start it it runs for 2sec then shuts down and the trunk pops open… read more
eauto
eauto
self employed
High School or GED
74 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