Chevy

Chevrolet Repair Questions? Ask a Chevy Mechanic for Answers ASAP

Ask an Expert,
Get an Answer ASAP!

Im pulling codes C0298,C0236, C0235, P0463 and P0446 all…

Customer Question
Im pulling codes C0298,C0236...

Im pulling codes C0298,C0236, C0235, P0463 and P0446 all came on at the same time. Im thinking bad ground since they all came on at the same time.

Mechanic's Assistant: Just to clarify, what's the exact code? And have you tried to reset it?

All of them. Yes tried to reset

Mechanic's Assistant: What is the model/year of your Chevy?

2002 chevy avalanche Z66

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

Yes. trying to locate grounding points and checking them

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

Nope seems like enough

Submitted: 8 months ago.Category: Chevy
Show More
Show Less
Ask Your Own Chevy Question
Answered in 5 minutes by:
12/11/2017
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 8 months ago
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Chevy
Satisfied Customers: 5,801
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles A6 - Electrical / Electronic systems A7 Heating / Air Conditioning systems
Verified

Hi, I'm Chad. Welcome to JustAnswer. I'm reviewing your question and I will be posting your reply ASAP.

Ask Your Own Chevy Question
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 8 months ago

Hey how are you,I will try to help you with this issue

Ask Your Own Chevy Question
Chevy Mechanic: Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems replied 8 months ago

we have 2 different issues here, evap emission related issue and ABS Brake issue ,

click on link to view the troubleshoot steps needed for each dtc at this time

Please let me know if you can view links and we go from there

Thank You

Chad Farhat

ASE Certified Technician

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 Chad Farhat Your Own Question
Chad Farhat
Chad Farhat
Chad Farhat, ASE Certified Technician A6 - Electrical / Electronic systems A7 Heating / Air conditioning systems
Category: Chevy
Satisfied Customers: 5,801
5,801 Satisfied Customers
Experience: Owner at Carolina Auto Service & Sales , 20 years Experience in Foreign & Domestic vehicles A6 - Electrical / Electronic systems A7 Heating / Air Conditioning systems

Chad Farhat 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 2004 avalanche z66, this morning it started with
I have a 2004 avalanche z66, this morning it started with the hard/locking at idle/low rpm turning to the left. works fine at high speeds. I just changed belts and flused ps fluid with no change, 45k … read more
David Craig
David Craig
OWNER/MECHANIC
Associates
5,907 satisfied customers
I want to know why i have a p0332 code and for abs a c0298
I want to know why i have a p0332 code and for abs a c0298 and c0292 and c0238 c0236 on my 2002 chevy silverado 1500 5.3l… read more
Chris (aka - Moose)
Chris (aka - Moose)
Vocational, Technical or Trade Scho
108 satisfied customers
Alot of things. 2002 Silverado 1500 5.3. And nothing ijust
Yes and nothing ijust want to know the problems and how to fix it … read more
heavy_chevy_396
heavy_chevy_396
Vocational, Technical or Trade Scho
2,518 satisfied customers
2004 Chevy Avalanche intermediate column problem. Clunking
2004 Chevy Avalanche intermediate column problem. Clunking sound. Been reading this is a common problem with them. How much to fix problem? Also guy told me Avalanche battery was drained, he put a new… read more
TIM MOHR
TIM MOHR
SHOP OWNER
Master's Degree
8,037 satisfied customers
02 Avalanche. It starts and 2 seconds later it dies. Fuel
02 Avalanche. It starts and 2 seconds later it dies. Fuel pump is going on and there is power to it. ALso, nothing is working on the cluster other than check engine light (that I put in from a 2003 Av… read more
Gary
Gary
Chevy Technician
Vocational, Technical or Trade Scho
9,642 satisfied customers
2002 chev astro. my abs light is on and sometimes brake
2002 chev astro. my abs light is on and sometimes brake light. When both are on, the transmission quits working, along with the speedometer. I took original abs module off and put on dorman replacemen… read more
Dan
Dan
Dealership Technician
Associate Degree
2,145 satisfied customers
Chevrolet Astro: I have a 2002 Chevy Astro. The fuel gage goes
I have a 2002 Chevy Astro. The fuel gage goes from below empty to anywhere from 3/4 to full. It will not always stay on empty sometimes it seems to work but at this point I am not sure if the reading … read more
Dave Nova
Dave Nova
Chevrolet Technician
Associate Degree
7,092 satisfied customers
chevy aveo ls: I have a 2005 chevy aveo ls and recently replaced
I have a 2005 chevy aveo ls and recently replaced my fuel pump which is under the rear seat and easy to get to. I replaced it because it was noisy but worked fine. After I replaced it the fuel gauge s… read more
Ron Z.
Ron Z.
- Chevy Tech -
Vocational, Technical or Trade Scho
2,836 satisfied customers
Chevrolet Tahoe: 2001 Chevy Tahoe 5.3, LT Cruising under
2001 Chevy Tahoe 5.3, LT Cruising under 30 mph, got ABS light, Traction off (would not turn off even when pushing button on the dash, but did reset after turning car off), check engine light and reduc… read more
Virtual Technician
Virtual Technician
Auto Repair Shop Owner
Vocational, Technical or Trade Scho
83 satisfied customers
Chevrolet Avalanche 1500 Z71: hi. my name is XXXXX XXXXX have
hi. my name is XXXXX XXXXX have a 2003 chevy avalanche and i just put a new pioneer stereo in it. it came stock with the bose stereo. everything seems ok with the install and im pretty sure nothing go… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
Chevrolet Avalanche 1500 Z66: 2004 Avalanche Z66--starter runs
2004 Avalanche Z66--starter runs on for a second or 2---bad clashing of gears--seems to be when hot, not in the morning. Been doing it for a month now.… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
Chevrolet Avalanche 1500 Z66 Is there any reported problems
Is there any reported problems with the Safelite Stealth Remote Activated Ignition Enabling Security System at higher altitudes? I went from Phoenix, where I reside, to Payson over the last two weeken… read more
Jettadan1
Jettadan1
Lead mech
Some college
1,421 satisfied customers
Chevy: 2003 Z06..active handling and service abs llights
I have a 2003 Z06 and recently have "service active handling" and "service ABS" llights. The Chevy dealer nearby says I need a new proportionoing valve and computer for $3860.00. A fellow enthusiast s… read more
BOBBYSS
BOBBYSS
TECHNICIAN/ADVISOR
Associate Degree
8,343 satisfied customers
99 tahoe ABS light comes on once in a while, and when it does
99 tahoe ABS light comes on once in a while, and when it does it immeditly is followed from a vibrating jerking movement to the right front wheel -the ABS sensor to that area was removed at a time whe… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
2002 chevy impala: stopped running..low brake fluid..low fuel
I have a 2002 chevy impala which last summer I was driving and the car just died. I hit the gas it started moving then just stopped running. Now just the car keeps flashing in the screen Service Vech … read more
Jettadan1
Jettadan1
Lead mech
Some college
1,421 satisfied customers
2002 chevy: the dash lights and gages quit working..third gear
I have an 2002 chevy avalanche, the dash lights and gages quit working sometimes, and the transmission will only take off in third gear at the same time. Customes hit tripodometer button and the gages… read more
GM Tech (Cam)
GM Tech (Cam)
Chevy Technician
Vocational, Technical or Trade Scho
15,756 satisfied customers
2005 Chevy: the check engine light came on..running fine..went bad
Got a 2005 Chevy Avalanche Z66 in Sept. 08. On a very cold day in Dec. the check engine light came on. Didn't think anything of it since it was running fine I figured it was just some sensor that went… read more
Mcgruder73
Mcgruder73
Auto Technician
Associate Degree
2002 chevy: the check engine light came..knock sensor..engine block
i have a 2002 chevy avalanche and the check engine light came on i had it checked out and was told it was the knock sensor i was wondering its location on the engine block.… read more
Mike
Mike
High School or GED
88 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