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Posts Tagged: low power unwanted braking

Low power, unwanted braking

What causes low power and unwanted braking? GM has issued a service bulletin PIT5206D to address multiple issues: low power, unwanted braking, transmission shifting and trouble codes P057B, P057C or P057D on the vehicles listed below. GM has identified a possible brake pedal calibration issue as the cause. Vehicles affected by bulletin PIT5206D 2012-2016 Cadillac Escalade 2012-2013 Chevrolet Avalanche 2012-2016 Chevrolet Express 2012-2016 Silverado 2012-2016 Suburban 2012-2016 Tahoe 2012-2016 GMC Savana 2012-2016 Sierra 2012-2016 Yukon Symptoms covered by service bulletin PIT5206D Unwanted grade braking when NOT going down a grade … Read More


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