Buick Limited Warranty and Owner Assistance Information (GMNA-Localiz-
ing-U.S.-13337629) - 2020 - CRC - 4/4/19
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 the
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
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, which are
covered for 10 years/150,000 miles,
whichever comes first.
Powertrain Control System
Accelerator Pedal Position Sensor
Barometric Pressure Sensor
Camshaft Position Actuator *
Camshaft Position Actuator Valve
Communication Gateway Module
(CGM)**
Coolant Sensor
Crankcase Pressure 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)
NOx Sensor(s)
Powertrain Control Module (PCM) **
Supercharger Inlet Pressure Sensor
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