Engineering Information – Head Up Display (HUD) Blank, DTC U1518 Set – 2020-2021 Cadillac

2021 Cadillac XT6

NHTSA ID Number: 10184509 Manufacturer Communication Number: PIE0582A   Summary This engineering informational bulletin is requesting information from technicians to perform the check list provided and contact the engineer listed in regards to the Head Up Display (HUD) being blank.   SEOCONTENT-START Subject: Engineering Information – Head Up Display (HUD) Blank, DTC U1518 Set Attention: Proceed with …

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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 …

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