P2603 Buick Coolant Pump Control Circuit High

P2604 Buick Intake Air Heater A Circuit Range / Performance

OBD Code:
System:
Subsystem:
 P2604 Buick – (ASE)
 Powertrain
 Computer and Auxiliary Output Circuits

Trouble Code Description: Intake Air Heater A Circuit Range / Performance


Location:
Analysis:

Possible Causes:

 
 Out of Expected Range

 

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