Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
20 Emission Warranty Parts List
Emission-related defects in the
emission parts listed here are
covered under the Emission Control
System Warranty. The terms are
explained in theEmission Control
Systems Warranty 016 under
“Federal Emission Control System
Warranty” and the“California
Emission Control System Warranty.”
Important: Certain parts may be
covered beyond these warranties if
shown with asterisk(s) as follows:
. (*) 7 years/70,000 miles,
whichever comes first, California
Emission Control System
Warranty coverage.
. (**) 8 years/80,000 miles,
whichever comes first, Federal
Emission Control System
Warranty coverage for light duty
vehicles. (Also applies to
California certified light duty and
medium duty vehicles.)
All listed parts 15 years/
150,000 miles, whichever comes
first, on California TZEV (NU6)
vehicles registered in a TZEV state
except Hybrid batteries and Hybrid A/C compressors, which are
covered for 10 years/150,000 miles,
whichever comes first.
Powertrain Control System
Accelerator Pedal Position Sensor
Camshaft Position Actuator *
Camshaft Position Actuator Valve
Coolant Sensor
Data Link Connector
Engine Control Module (ECM) **
Engine Temperature Sensor
Flex Fuel Sensor
Fuel Control Module **
Humidity Sensor
Intake Air Temperature Sensor
Malfunction Indicator Lamp
Manifold Absolute Pressure Sensor
Mass Air Flow Sensor
Oil Pressure Sensor
Outside Air Temperature Sensor
Oxygen Sensor(s)
Powertrain Control Module (PCM) **Thermostat
Throttle Position Sensor
Vehicle Speed Sensor
Ignition System
Camshaft Position Sensor(s)
Crankshaft Position Sensor(s)
Glow Plug(s) (Diesel)
Glow Plug Controller (Diesel)
Ignition Coil(s)
Ignition Control Module
Knock Sensor
Spark Plug Wires
Spark Plugs
Transmission Controls and
Torque Management
Clutch Solenoids and Switches
Control Solenoids and Pressure
Switches
Internal Mode Switch
Park/Neutral Switch
Transmission Control Module **
Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-10999171) - 2018 - crc - 7/31/17
22 Emission Warranty Parts List
Canister Solenoids and Valves
Fuel Feed and Return Pipes and
Hoses
Fuel Filler Cap
Fuel Level Sensor
Fuel Limiter Vent Valve
Fuel Tank(s) *
Fuel Tank Filler Pipe (with restrictor)
Fuel Tank Vacuum or Pressure
Sensor
Start/Stop System
Auxiliary Battery or Ultra Capacitor
Battery Isolator
Battery Control Module
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 Sensor
Charge 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 * **
Power Electronics
Coolant Pump
Port Valves
Rfg. Temperature and Pressure
Sensors
Internal Mode Switch (IMS)
Onboard Charger * **
SGCM Coolant Circuit (fan,
relay, pump)
Starter Generator *
Starter Generator Control Module **
Starter Generator Drive Belt
Traction Power Inverter
Module (TPIM) **
Vehicle Interface Control Module **
Wheel Speed Sensor
Miscellaneous Items Used with
Above Components and Certain
Tires are Covered
Belts
