P1315 Buick Igniter Circuit Malfunction No. 4

P1316 Buick Spark Plug Voltage Detection Circuit Malfunction Front Bank 2

Possible causes
– Faulty Spark Plug Voltage Detection Module (VDM)
– Spark VDM harness is open or shorted
– Spark VDM circuit poor electrical connection
– Open or short circuit between VDM and Engine Control Module (ECM)

Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1316 Buick Description

Spark Plug Voltage Detection Circuit Malfunction Front Bank 2

Buick TL Spark Plug Voltage Detection Module (VDM) Location:

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