Hummer h2 2008 traction stability control warning light

Aly Diagnostician Congo Posted   Latest   Edited  
Updated
Braking
2008 Hummer H2 Luxury 6.2L (F L92) 6-spd (6L80)
C0561 — Vacuum Sensor "A/B" Correlation

Hi, 

i have the traction control warning light on,if i clear it come back after seconds.

no others faults on others modules.

u can see fault code on the attachment.

thanks

-1
Helpful
Haris Technical Support Specialist
New York
Haris Default
 

Is there any aftermarket accessories installed on the vehicle? Was any module recently replaced? Is there any other symptoms or concerns with the vehicle besides the MIL? Circuit/System Description: The electronic brake control module (EBCM) receives messages from other modules over GMLAN which are needed to perform antilock brake system (ABS), vehicle stability enhancement system (VSES), or…

0
Default Ð Awarded
Aly Diagnostician
Congo
Aly Default
 

hi Haris, no aftermarket accessories instaled,i do not know if any module was replaced ,other symptoms (TRNSFER CASE NOT WORKING,TIRE PRESSURE WARNING LIGHT.) BUT HOW I CAN DAIGNOSTIC THE TRANSFER CASE MODULE?ON SCANNER TRANSFER CASE MODULE NOT ON THE LIST . THANKS

0
Default Ð Awarded
Haris Technical Support Specialist
New York
Haris Default
 

The EBCM may be faulting if the TCCM is offline or not communicating. Check the TCCM power, ground, and comm circuits.

0
Default Ð Awarded
David Mechanic
United Kingdom
David Default
 

Hi Aly , when you say the the light comes back on in seconds do you mean whin seconds of turning on the ignition ? If so have you checked the fuses especially the one for the abs pump motor . Regards Dave T.....

0
Default Ð Awarded
David Instructor
Indiana
David Default
 

Hi Aly, I've personally worked on that vintage GM truck with that exact DTC. There was a GM PI (Prelim Info bulletin) that stated you should look for other issues (even pending DTCs) in other systems (especially powertrain) before attempting to repair anything serial data or stability / traction control issues. I fixed the truck I was working on by simply tightening the hose clamps on the air…

+1
Default Ð Awarded
Stuart Mobile Technician
Illinois
Stuart Default
 

I recently had to replace a wheel speed sensor because the ABS/TCS lights were on​.​Went to clear the lights and came right back only to find that the SES bulb was out and had some drivability codes​.​GM infamous wisdom is when the check engine light is commanded on,to set all systems into default​.​So as David Hobbs has suggested, you need to address the…

0
Default Ð Awarded
Aly Diagnostician
Congo
Aly Update
 

Solved Faulty transfer case actuator

0
Update Ð Awarded