P1813 Buick Transmission 4-Wheel Drive Mode Select Open Circuit

P1814 Buick Transmission 4-Wheel Drive Mode Select Short Circuit To Battery

Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)

Buick Vehicle:Buick Regal – ?Buick Riviera – ?Buick LaCrosse – ?David Dunbar Buick – Buick Century – Buick LaCrosse – Buick LeSabre – Buick Lucerne – Buick Park Avenue – Buick Regal – Buick Verano – Buick Enclave – Buick Encore – Buick Rainier – Buick Rendezvous – Buick Terraza – Buick Riviera