Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S-12032535) - 2019 - crc - 6/25/18
Emission Warranty Parts List 21
Transmission Controls and
Torque Management
Clutch Solenoids and Switches
Control Solenoids and Pressure
Switches
ETRS Shifter/Button
Internal Mode Switch (IMS)
Park/Neutral Switch
Transmission Control Module **
Transmission Fluid Temperature
Sensor
Transmission Range Control Module
(TRCM)**
Transmission Speed Sensors
Vehicle Control System
Integrated Chassis Control
Module ** (ETRS and Corvette only)
Vehicle Control Module (VCM) **
Fuel Management System
AFM Exhaust Valves and Controller
Diesel Fuel Injection Pump *
Diesel Direct Fuel Injector and Rail *HD Duramax Fuel Pressure
Regulator *
HD Duramax Fuel Pipes *
Fuel Injector
Fuel Pressure Regulator
Fuel Pressure Sensor
Fuel Pump Power Module
Fuel Rail Assembly
Fuel Tank Fuel Pump
Fuel Temperature Sensor
High Pressure Fuel Pump (SIDI)
Air Management System
Active Aero Shutters and Controller
Air Cleaner
Air Intake Ducts
Charge Air Cooler *
Charge Air Cooler Control
Idle Air Control Valve
Idle Speed Control Motor
Intake Air Heater
Intake Manifold (* for diesel only)Intake Manifold Gasket
Intake Manifold Tuning Valve
Supercharger *
Throttle Body
Turbocharger *
Turbocharger Pressure Sensor
Turbocharger Vane Position
Sensor *
Turbocharger Vane Position
Solenoid *
Variable Geometry Turbine (VGT)
Actuators
Catalytic Converter System
Catalytic Converter(s) * **
Diesel Exhaust Emission Reduction
Fluid (DEF) Tank
Diesel Exhaust Aftertreatment
Actuators and Sensors
Diesel Particulate Filter (DPF) *
Exhaust Manifold and Gasket
Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S-12032535) - 2019 - crc - 6/25/18
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 SensorFuel Tank(s) *
Fuel Tank Filler Pipe (with restrictor)
Fuel Tank Vapor and Liquid
Pressure Sensor
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
Hybrid
ACCM
Auxiliary Transmission Fluid Pump
Battery Control Module **
Battery Cooling Circuit
Battery Pack Current Sensor
Brake Pedal Travel SensorCharge Port
Charge Port Switches and Sensors
Drive Motor/Generator Control
Module **
Drive Motors and Resolvers *
Eboost Brake Control Module **
Electro-Hydraulic Brake Control
Module **
Energy Storage Control Module **
Exhaust Heat Exchanger
Fuel Fill Door Sensors
High Voltage Battery Contactor
Hood Switch
Hybrid Batteries *
Hybrid Battery Temperature and
Voltage Sensors
Hybrid EVAP Canister Assembly
Hybrid RESS Thermal Management:
Air and Coolant Sensors
Battery Coolant Pumps and
Cooling Fans
Battery High Voltage Heater
Battery Temperature Sensors
E-compressor * **
