P0419 Buick Secondary Air Injection System Relay B Circuit Malfunction

P041A Buick Exhaust Gas Recirculation (EGR) Temperature (Sensor B) Circuit

OBD Code:
System:
Subsystem:

P041A Buick – (ASE)
Powertrain
Auxiliary Emission Controls

Trouble Code Description: Exhaust Gas Recirculation (EGR) Temperature (Sensor B) Circuit

Location:
Analysis:

Possible Causes:

Sensor B
Circuit Issue

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