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EBCM

This bulletin applies to 2015-2019 Cadillac Escalade as well as other select GM vehicles equipped with Stabilitrak. Some customers may comment about a Service Stabilitrak message displayed on the driver information center. The technician may find DTC C0196-5A set in the EBCM.

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ABS-Related Recall

GM is recalling certain 2015-2020 GMC Yukon vehicles equipped with a 5.3L engine, a 3.08-ratio rear axle and four-wheel-drive. If a wheel speed sensor fails, while the vehicle is travelling between 41 mph and 60 mph in four-wheel or automatic mod, the EBCM (electronic brake control module) software may activate the driveline protection system.

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.

It’s Just a Noise

This bulletin applies to 2010-2016 GMC Acadia and 2017 GMC Acadia Limited vehicles. Some customers may comment that there is a clunk/thump noise on acceleration once after each key cycle that may be mistaken as coming from the engine compartment or suspension.

Chevy U Codes

This bulletin applies to all Chevrolet vehicles model years 2013-2018. When diagnosing multiple DTCs, one may be 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.

Modifications Can Cause Problems

Some owners of 2007-2019 Chevy Silverado trucks may comment about unwanted Stability Activation and/or a Service Stability message.

Stones Fool YAW Sensor

Some owners of 2014 Chevy Silverado 1500 vehicles may comment about a “Service Stabilitrac” message in the driver information center. During diagnosis, the technician may find DTC C0196-5A set in the ECM. 

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.

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.