LIN Bus Diagnostic Information – 2014-2023 Buick Cadillac Chevrolet GMC

Chevrolet Buick GMC Cadillac

NHTSA ID Number: 10224304 Manufacturer Communication Number: PIT5698C Summary This Preliminary information communicates additional information on how a LIN bus operates and diagnostic tips when working on a LIN bus.   Condition As more smart motors, switches, and sensors are being used there are more Local Interconnect Network (LIN) buses on vehicles. Because of this, some questions … Read more

Adaptive Forward Lighting Service Message Displayed on DIC, DTC B257C or B257D Set – 2014 Buick LaCrosse

2014 Buick LaCrosse

NHTSA ID Number: 10137876 Manufacturer Communication Number: PI1205 Summary This preliminary bulletin provides a procedure to reprogram the headlamp control module to correct the customers concern of the adaptive forward lighting message on and DTC set.   1 Affected Product Vehicle MAKE MODEL YEAR BUICK LACROSSE 2014     [comment type=”hidden”] Bulletin No.: PI1205 Date: Mar-2014 Subject: … Read more