HELP Abs light on after speedo recal [Archive]

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Madspeed

June 22nd, 2007, 01:49 PM

I Have a 05 lly 4x4
I just lifted it and put on 37" toyo's
I used the recal in Efi Live got the speeedo right but now it pops the abs light on.. What gives?

Been searching forums for the past 2 hours :help2:

ChipsByAl

June 22nd, 2007, 10:15 PM

It is likely that the front tires are now out of calibration. Before the rear tires got corrected, the ratio from front to rear was OK with the ABS module. Now the different speed inputs are a problem. The ABS module "EBCM" needs a tire size calibration change. Do you have a buddy at a GM dealer?
Al