MAP Sensor codes and service traction/ESC messages - related? - Chevy Malibu Forum: Chevrolet Malibu Forums
 
LinkBack Thread Tools Display Modes
post #1 of 4 (permalink) Old 12-20-2011, 02:00 AM Thread Starter
CMF Rookie Member
 
Join Date: Dec 2011
Location: Palmdale, CA
Posts: 2
MAP Sensor codes and service traction/ESC messages - related?

I've got a 2010 2.4L with about 11,500 miles on it that in recent days has started showing intermittent service traction/ESC messages that either go away just as soon as they're displayed or once I get moving at a decent speed - they'll occasionally stay on if I'm just driving through the grocery store parking lot or something until I pull out onto the main road. Then, two days ago, I got the Check Engine light and the car started to stumble a bit when pulling out of driveways. Fittingly, the light went out as I was driving it to the dealership to get it checked out, but they did discover two MAP sensor-related fault codes (EDIT: It's codes P0106 and P0107, if you were wondering). Then, running errands this evening, the Check Engine light reappeared and it was stumbling worse than before - if I took my foot off the gas while going 40, you could feel it jerk a little bit, and it was jerky the whole way up my driveway. Is it possible that these are products of the same electrical fault? I've seen posts about fretting, and that seems to be a likely culprit if I had to guess.

By the way, awesome forum community you've got going here. I've already seen a few things on here that I'd like to ask my dealer about when I take it in tomorrow...namely, that hump behind the storage compartment on top of the dash. I wish I'd known about this place sooner - this '10 LT is my third Malibu, following in the footsteps of a '98 LS and an '07 LTZ. They've been pretty solid cars, really - the only other problems I've had were when the '98 had an electrical problem that made it so it wouldn't turn more than 3,000 RPM (not good when you're trying to drive across Utah on a regular basis and it won't kick down in the mountains - took the dealer a good six months to figure out exactly what was going on) and the '07's propensity for going through brakes like it was going out of style.

Last edited by LoyalMalibuOwner; 12-20-2011 at 02:16 AM.
LoyalMalibuOwner is offline  
Sponsored Links
Advertisement
 
post #2 of 4 (permalink) Old 12-20-2011, 07:28 AM
Chevy Representatives
 
Chevrolet Customer Svc's Avatar
 
Join Date: Aug 2010
Posts: 2,747
Re: MAP Sensor codes and service traction/ESC messages - related?

@LoyalMalibuOwner, please, let me know the outcome of your visit to the dealership tomorrow.

Happy Holidays!
Michelle, Chevrolet Customer Service
Chevrolet Customer Svc is offline  
post #3 of 4 (permalink) Old 12-20-2011, 11:22 AM
ASE Certified Technician
 
Join Date: Aug 2011
Location: Souderton, PA
Posts: 3,075
Re: MAP Sensor codes and service traction/ESC messages - related?

Quote:
Originally Posted by LoyalMalibuOwner View Post
I've got a 2010 2.4L with about 11,500 miles on it that in recent days has started showing intermittent service traction/ESC messages that either go away just as soon as they're displayed or once I get moving at a decent speed - they'll occasionally stay on if I'm just driving through the grocery store parking lot or something until I pull out onto the main road. Then, two days ago, I got the Check Engine light and the car started to stumble a bit when pulling out of driveways. Fittingly, the light went out as I was driving it to the dealership to get it checked out, but they did discover two MAP sensor-related fault codes (EDIT: It's codes P0106 and P0107, if you were wondering). Then, running errands this evening, the Check Engine light reappeared and it was stumbling worse than before - if I took my foot off the gas while going 40, you could feel it jerk a little bit, and it was jerky the whole way up my driveway. Is it possible that these are products of the same electrical fault? I've seen posts about fretting, and that seems to be a likely culprit if I had to guess.
It's possible all the concerns are related, definitely. I can't say I've been down that road on a 2.4 yet with MAP codes so I'll kind of generalize a little. The 5 volt reference for the MAP sensor is shared with APP sensor 2, The A/C pressure sensor and the FTP ( fuel tank pressure) sensor. One of those other sensors can pull the 5 volt reference circuit down and just the MAP DTC's set right now. The PCM is looking at the MAF sensor more for fuel delivery and the MAP sensor more or less is there as a backup to the MAF and for diagnostic purposes. There could be rodent chewed wires causing intermittent failure, wires rubbed through on something under the hood, poor terminal fit at any connector, lots of possibilities. With MAP sensor DTC's and a driveability issue and intermittent nature of the fault, I wouldn't rush to condemn the MAP sensor yet. You can look around and follow the harnesses under the hood and look for rubbed through wires shorting to something. Other than that, you're under warranty, take it back to the dealer and let them have a look at it.
Rodents is offline  
post #4 of 4 (permalink) Old 11-04-2015, 02:00 PM
CMF Rookie Member
 
Join Date: Nov 2015
Posts: 1
Re: MAP Sensor codes and service traction/ESC messages - related?

This is the exact problem my 2010 malibu was experiencing, took it into a local shop and they said it was the map sensor as well. Replaced it for a nominal fee and low and behold that was it! I instantly was able to tell that it felt stronger and more secure... before the replacement it felt as though when the gears were shifting it was a big jolt and now it runs smoothly.
bclark is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Chevy Malibu Forum: Chevrolet Malibu Forums forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in









Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
Service Traction and ESC Delphi_Man Problems/Service Issues/Troubleshooting (Generation 7) 124 12-03-2016 03:26 PM
Service Traction light scott37300 Problems/Service Issues/Troubleshooting (Generation 7) 25 12-05-2011 09:30 AM
service traction control PSMITH Problems/Service Issues/Troubleshooting (Generations 5 & 6) 0 07-22-2011 12:25 PM
Service ESC and Service Traction - Car DIED in the middle of highway in Detroit dominogold Problems/Service Issues/Troubleshooting (Generation 7) 11 12-14-2009 12:09 PM
Service ECS, Service Traction control??? Yefeng Problems/Service Issues/Troubleshooting (Generation 7) 1 08-25-2009 10:28 PM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome