TOPIC : Stabilitrak

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U-Code Misdiagnosis

This bulletin applies to all Chevy Impala vehicles built from 2013-2018, when diagnosing multiple DTCs, one of which includes U****Byte 71. Any control module may set a DTC for one of its inputs, and that data is shared across the communication bus for other modules to perform their respective functions.

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Wheel Speed Sensor Noise/Codes

This bulletin applies to 2014-2017 Chevy Corvettes. The ABS, Service Traction Control System and/or Service Stabilitrak telltale lights may be on. During initial scan for EBCM module DTCs, you may find one or more DTC C0035-C0050 with specific symptom bytes 18, 5A, 0F.

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Wheel Speed Sensor Woes

This bulletin applies to 2007-2017 GMC Acadia vehicles. In some cases, the ABS Service Traction Control System, and/or Service StabiliTrak telltale lights may be on. During initial scan for EBCM module diagnostic codes, you may find one or more of the following DTCs: C0035-C0050 with specific symptom bytes 18, 5A or 0F.

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Not a Cruise in the Park

This bulletin applies to 2013-2018 Chevy Cruze vehicles. This bulletin is intended to produce direction and examples when diagnosing multiple DTCs, one of which includes U****Byte 71 DTC. Any control module may set this DTC for one of its inputs and data that is shared across the communication buss for other modules to do their respective functions.

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Caddy Steering Position DTC

In rare cases, some owners of 2014 Cadillac Escalade vehicles equipped with a 6.2L engine may comment about the Service StabiliTrak message being displayed in the DIC. The StabiliTrak light may also be on.

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Cop Cruiser Concern

This bulletin applies to 2012-2013 Chevy Tahoe Police vehicles equipped with StabiliTrak. The customer may comment that they are unable to disable the StabiliTrak by pressing and holding the TCS/StabiliTrak button for 5 seconds as the owner’s manual indicates.

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