P3490 Buick (Cylinder No.12) Deactivation / Intake Valve Control Circuit Performance

P3491 Buick (Cylinder No.12) Deactivation / Intake Valve Control Circuit Low

OBD Code:
System:
Subsystem:

P3491 Buick – (ASE)
Powertrain
Auxiliary Emission Controls

Trouble Code Description: (Cylinder No.12) Deactivation / Intake Valve Control Circuit Low

Location:
Analysis:

Possible Causes:

cylinder 12
End of Range – Circuit Lower Than Expected

Tech description:

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