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Question

Asked: Jul 04, 2009 - 07:07 AM

Status: Closed

minicast

97 GMC Suburban code P719 torque converter brake switch B circuit low. How do I fix?

Where do I begin looking to fix this problem? I reset it once and after 107 miles the code came back.

In Maintenance & Repair > Transmission > Automatic
In Makes & Models > GMC > Suburban
2 answers - 125 days ago

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karjunkie

Date: Jul 04, 2009
Time: 11:18 AM

Do your brake lights work? This is the code for low voltage in the brake light circuit. First check the fuse. It is Fuse #22 in the cabin fuse box. If the fuse is good, you need to replace the brake light switch at the bottom of the brake pedal under the dash.