P203C Buick Reductant Level Sensor Circuit Low

P203D Buick Reductant Level Sensor Circuit High

OBD Code:
System:
Subsystem:

P203D Buick – (ASE)
Powertrain
Fuel & Air metering, Auxiliary emission controls

Trouble Code Description: Reductant Level Sensor Circuit High

Location:
Analysis:

Possible Causes:

End of Range – Circuit Higher 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