Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-13337629) - 2020 - CRC - 4/4/19
22
Emission Warranty Parts List
Positive Crankcase Ventilation
(PCV) System
Oil Filler Cap
PCV Filter
PCV Oil Separator
PCV Valve
Exhaust Gas Recirculation (EGR)
System
EGR Bypass Valve
EGR Feed and Delivery Pipes
EGR Temperature Sensor
EGR Valve
EGR Valve Cooler *
Evaporative Emission Control
System (Gasoline Engines)
Canister
Canister Vent Solenoid
Electronic Leak Check
Pump (ELCP)
Fuel Feed and Purge Line
Fuel Filler Cap
Fuel Level Sensor
Fuel Tank(s) *
Fuel Tank Filler Pipe (with restrictor)
Fuel Tank Vapor and Liquid
Pressure Sensor
Fuel Tank Zone Module
Purge Pump
Purge Valve
Start/Stop System
Auxiliary Battery or Ultra Capacitor
Battery Isolator
Battery Control Module
Bi-Directional DC-DC Converter
Intelligent Battery Sensor
Multifunction Power Supply
Converter
Transmission Fluid Accumulator and
Solenoid
Active Thermal Management
Block Rotary Valve
Body Control Module (BCM)**
Electric Coolant Pump
Engine Block Coolant Temperature
Sensor
Engine Cylinder Head Coolant
Temperature Sensor
Engine Inlet Coolant Temperature
Sensor
Evaporator Air Temperature
Sensor (EAT)
HVAC Front Blower Motor
HVAC Front Face Plate (FFP)
HVAC Front Mode/Temperature LIN
Actuators
Main Rotary Valve
Radiator Outlet Coolant
Temperature Sensor
Temperature/Humidity LIN Sensor
Hybrid
A/C Compressor
ACCM
Auxiliary Transmission Fluid Pump
Battery Control Module **
Battery Cooling Circuit
Battery Pack Current Sensor