ECM Warranty

  • 6 CYL
  • 4WD
  • 61,000 MILES
After how many Miles or years is ECM covered under warranty
Do you
have the same problem?
Tuesday, July 5th, 2011 AT 11:56 PM

1 Reply

I think it is 8yrs/80k, in fact here is the warranty information. It should also be included in your owners packet.

Emission Control Systems Warranty

The emission warranty on your vehicle is issued in accordance with the U.S. Federal Clean Air Act. Defects in material or workmanship in GM emission parts may also be covered under the New Vehicle Limited Warranty Bumper-to-Bumper coverage. There may be additional coverage on GM diesel engine vehicles. In any case, the warranty with the broadest coverage applies.

What Is Covered

The parts covered under the emission warranty are listed under the "Emission Warranty Parts List" later in this section.

How to Determine the Applicable Emissions Control System Warranty (Light Duty Trucks Only)

State and Federal agencies may require different emission control system warranty for light duty trucks depending on:

Whether the truck is certified with a light duty or heavy duty emission control system.

Whether the truck is certified for California emissions in addition to Federal emissions.

To determine emissions eligibility: locate the emission control label in the engine compartment on the air cleaner assembly or on the engine. The language on the bottom left side of the label will describe if the vehicle is equipped with a light, medium, or heavy duty emission control system.

All light duty trucks are eligible for Federal Emissions Control System Warranty Coverage. If the emissions control label contains language stating the vehicle is certified to California emissions standards, the vehicle is also eligible for California Emissions Control System Warranty Coverage.

Federal Emission Control System Warranty

Federal Warranty Coverage

Car and Light Duty Truck equipped with Car and Light Duty Gasoline Engines


2 years or 24,000 miles and 8 years or 80,000 miles for the catalytic converter or vehicle, powertrain, control module, whichever comes first.

Light Duty Truck equipped with Heavy Duty Gasoline Engine


5 years or 50,000 miles, whichever comes first.

Light Duty Truck equipped with Heavy Duty Diesel Engine


5 years or 50,000 miles, whichever comes first.

Federal Emission Defect Warranty

GM warrants to the owner the following:

The vehicle was designed, equipped, and built so as to conform at the time of sale with applicable regulations of the Federal Environmental Protection Agency (EPA).

The vehicle is free from defects in materials and workmanship which cause the vehicle to fail to conform with those regulations during the emission warranty period.

Emission related defects in the genuine GM parts listed under the Emission Warranty Parts List, including related diagnostic costs, parts, and labor are covered by this warranty.

Federal Emission Performance Warranty

Some states and/or local jurisdictions have established periodic vehicle Inspection and Maintenance (I/M) programs to encourage proper maintenance of your vehicle. If an EPA-approved I/M program is enforced in your area, you may also be eligible for Emission Performance Warranty coverage when all of the following three conditions are met:

The vehicle has been maintained and operated in accordance with the instructions for proper maintenance and use set forth in the owner manual supplied with your vehicle.

The vehicle fails an EPA-approved I/M test during the emission warranty period.

The failure results, or will result, in the owner of the vehicle having to bear a penalty or other sanctions, including the denial of the right to use the vehicle, under local, state, or federal law.

GM warrants that your dealer will replace, repair, or adjust to GM specifications, at no charge to you, any of the parts listed under the "Emission Warranty Parts List" later in this section which may be necessary to conform to the applicable emission standards. Non-GM parts labeled "Certified to EPA Standards" are covered by the Federal Emission Performance Warranty.

California Emission Control System Warranty

This section outlines the emission warranty that GM provides for your vehicle in accordance with the California Air Resources Board. Defects in material or workmanship in GM emission parts may also be covered under the New Vehicle Limited Warranty Bumper-to-Bumper coverage. There may be additional coverage on GM diesel engine vehicles. In any case, the warranty with the broadest coverage applies.

This warranty applies if your vehicle meets both of the following requirements:

Your vehicle is registered in California or other states adopting California emission and warranty regulations*.

Your vehicle is certified for sale in California as indicated on the vehicle's emission control information label.

Important: * Massachusetts, Maine, and Vermont have California Emissions Warranty coverage. (New York adopted California emissions standards, but not the California emissions warranty. The Federal Emissions Control Warranty applies to all vehicles in New York.)

Your Rights and Obligations (For Vehicles Subject to California Exhaust Emission Standards)

The Emission Control System Warranty on your vehicle is issued in accordance with the California Air Resources Board and GM. In California, new motor vehicles must be designed, equipped, and built to meet the state's stringent anti-smog standards. GM must warrant your vehicle's emission control system for the periods of time and mileage listed provided there has been no abuse, neglect, or improper maintenance of your vehicle. Your vehicle's emission control system may include parts such as the fuel injection system, ignition system, catalytic converter, and engine computer. Also included are hoses, belts, connectors, and other emission related assemblies.

Where a warrantable condition exists, GM will repair your vehicle at no cost to you including diagnosis, parts, and labor.

California Emission Defect and Emission Performance Warranty Coverage

For cars and trucks with light duty or medium duty emissions:

For 4 years or 50,000 miles, whichever comes first:


If your vehicle fails a smog check inspection, GM will make all necessary repairs and adjustments to ensure that your vehicle passes the inspection. This is your Emission Control System Performance Warranty.


If any emission related part on your vehicle is defective, GM will repair or replace it. This is your Short-term Emission Defects Warranty.

For 7 years or 70,000 miles, whichever comes first:


If an emission related part listed in this booklet specially noted with coverage for 7 years or 70,000 miles is defective, GM will repair or replace it. This is your Long-term Emission Control System Defects Warranty.

For 8 years or 80,000 miles, whichever comes first:


If the catalytic converter or vehicle, powertrain, control module is found to be defective, GM will repair or replace it under the Federal Emission Control System Warranty.

For heavy duty gasoline engine vehicles, the emission warranty period is 5 years or 50,000 miles, whichever comes first.

For heavy duty diesel engine vehicles, the emission warranty period is 5 years, 100,000 miles, or 3,000 hours of operation, whichever comes first.

Any authorized Cadillac dealer will, as necessary under these warranties, replace, repair, or adjust to GM specifications any genuine GM parts that affect emissions.

The applicable warranty period shall begin on the date the vehicle is delivered to the first retail purchaser or, if the vehicle is first placed in service as a demonstrator or company vehicle prior to sale at retail, on the date the vehicle is placed in such service.

Owner's Warranty Responsibilities

As the vehicle owner, you are responsible for the performance of the scheduled maintenance listed in your owner manual. GM recommends that you retain all maintenance receipts for your vehicle, but GM cannot deny warranty coverage solely for the lack of receipts or for your failure to ensure the performance of all scheduled maintenance.

You are responsible for presenting your vehicle to a GM dealer selling your vehicle line as soon as a problem exists. The warranted repairs should be completed in a reasonable amount of time, not to exceed 30 days.

As the vehicle owner, you should also be aware that GM may deny warranty coverage if your vehicle or a part has failed due to abuse, neglect, improper or insufficient maintenance, or modifications not approved by GM.

If you have any questions regarding your rights and responsibilities under these warranties, you should contact the Customer Assistance Center at 1-800-458-8006, or in California write to:

State of California Air Resources Board
Mobile Source Operations Division
P.O. Box 8001
El Monte, CA 91731-2990

Emission Warranty Parts List

The emission parts listed here are covered under the Emission Control System Warranty. The terms are explained previously in this section under "Federal Emission Control System Warranty" and "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 or Super Low Emission Vehicle (SULEV) with emissions RPO code (NU3) 8 years/100,000 miles, whichever comes first, California Emission Control System Warranty coverage.

(**) 8 years/80,000 miles, whichever comes first, Federal Emission Control System Warranty coverage. Also applies to California certified light duty and medium duty vehicles.

The Emission Control Systems Warranties obligations do not apply to conditions resulting from tampering, abuse, neglect, or improper maintenance; or any other item listed under "What Is Not Covered" under General Motors Corporation New Vehicle Limited Warranty. The "Other Terms" presented under General Motors Corporation New Vehicle Limited Warranty also apply to the emission related warranties.

Powertrain Control System

Barometric Pressure Sensor

Brake Switch

Camshaft Position Actuator Assembly *

Camshaft Position Actuator Valve

Coolant Fan Control Relay

Coolant Level Sensor

Data Link Connector

Electronic Throttle Control (ETC) Motor

Engine Control Module (ECM) **

Engine Coolant Temp. Sensor

Fast Idle Solenoid

Flexible Fuel Sensor *

Intake Air Temperature Sensor

Malfunction Indicator Lamp

Manifold Absolute Pressure Sensor

Oxygen Sensors

Powertrain Control Module (PCM) **

Programmable Read Only Memory (PROM)

Throttle Position Sensor

Throttle Position Switch

Vehicle Control Module (VCM) **

Vehicle Speed Sensor

Transmission Controls and Torque Management

Manual Transmission Clutch Switch

Park/Neutral Switch

Torque Converter Clutch Solenoids

Torque Converter Clutch Switch

Transmission Control Module **

Transmission Fluid Temperature Sensor

Transmission Gear Selection Switch (Diesel)

Transmission Internal Mode Switch

Transmission Pressure Switches

Transmission Shift Solenoids A & B

Transmission Speed Sensors

Fuel Management System

Common Rail Assembly (6.6L DURAMAX Diesel) *

Diesel Fuel Injection Pump *

Diesel Fuel Injection Pump Timing Adjust

Diesel Fuel Injector Control Module - EDU (6.6L DURAMAX Diesel) *

Diesel Fuel Temperature Sensor

Direct Fuel Injector Assembly (6.6L DURAMAX Diesel) *

Function Block (6.6L DURAMAX Diesel)

Fuel Injector

Fuel Pressure Regulator

Fuel Rail Assembly *

Fuel Rail Pressure Sensor (6.6L DURAMAX Diesel)

Air Management System

Air Cleaner

Air Cleaner Diaphragm Motor

Air Cleaner Resonator

Air Cleaner Temp. Compensator Valve

Air Intake Ducts

Charge Air Control Actuator

Charge Air Control Solenoid Valve

Charge Air Control Valve

Charge Air Cooler (6.6L DURAMAX Diesel) *

Charge Air Cooler Fan

Idle Air Control Valve

Idle Speed Control Motor

Intake Manifold *

Intake Manifold Tuning Valve

Intake Manifold Tuning Valve Relay

Intake Manifold Gasket 3.4L U-Van, 3.1L LG8, and DURAMAX Diesel*

Supercharger Assembly *

Throttle Body *

Throttle Body Heater

Throttle Closing Dashpot

Turbocharger Assembly *

Turbocharger Boost Sensor (6.6L DURAMAX Diesel)

Turbocharger Oil Separator

Turbocharger Thermo Purge Switch

Vacuum Pump (6.6L DURAMAX Diesel)

Ignition System

Camshaft Position Sensor(s)

Crankshaft Position Sensor(s)

Distributor *

Distributor Cap

Distributor Pick Up Coil

Distributor Rotor

Glow Plug(s) (Diesel)

Glow Plug Controller (Diesel)

Glow Plug Relay (Diesel)

Ignition Coil(s)

Ignition Control Module

Ignition Timing Adjustment

Knock Sensor

Spark Plug Wires

Spark Plugs

Catalytic Converter System

Catalytic Converter(s) and Muffler if attached as assembly **

Exhaust Manifold (7/70 Only Cadillac 4.6L, Grand Prix Right Side 3.8L, U-Van 3.4L, and C/K Truck <14,000 GVWR 8.1L*)

Exhaust Manifold with Catalytic Converter attached as assembly **

Exhaust Manifold Gasket

Exhaust pipes and/or Mufflers (when located between catalytic converters and exhaust manifold)

Positive Crankcase Ventilation System

Oil Filler Cap

PCV Filter

PCV Oil Separator

PCV Valve

Exhaust Gas Recirculation System

EGR Feed and Delivery Pipes or Cast-in Passages

EGR Valve

EGR Valve Cooler (6.6L DURAMAX Diesel)

EGR Vacuum Pump Assembly (6.6L DURAMAX Diesel)

Secondary Air Injection System

Air Pump

Check Valves

Evaporative Emission Control System (Gasoline Engines)


Canister Purge Solenoid Valve

Canister Vent Solenoid

Fuel Feed and Return Pipes and Hoses

Fuel Filler Cap

Fuel Level Sensor

Fuel Limiter Vent Valve *

Fuel Tank Filler Pipe (with restrictor)

Fuel Tank(s) *

Fuel Tank Vacuum or Pressure Sensor


ABS Control Module ** (On Hybrid vehicles only)

Auxiliary Transmission Pump, Relay, and Circuit

Battery Pack Current Sensor and Circuit

Battery Pack 12V Modules (3)

Brake Pedal Switch (PCM ZAB Switch)

Energy Storage Control Module **

GMLAN (CAN) Communications Circuit

Hood Ajar Switch and Circuit

Hybrid Control Module **

SGCM Coolant Circuit (fan and fan relay and pump)

Starter Generator Control Module **

Wheel Speed Sensor and Circuits (left and right front)

Miscellaneous Items Used with Above Components are Covered











Mounting Hardware



Sealing Devices




Parts specified in your maintenance schedule that require scheduled replacement are covered up to their first replacement interval or the applicable emission warranty coverage period, whichever comes first. If failure of one of these parts results in failure of another part, both will be covered under the Emission Control System Warranty.

For detailed information concerning specific parts covered by these emission control system warranties, ask your dealer.

Replacement Parts

The emission control systems of your vehicle were designed, built, and tested using genuine GM parts* and the vehicle is certified as being in conformity with applicable federal and California emission requirements. Accordingly, it is recommended that any replacement parts used for maintenance or for the repair of emission control systems be new, genuine GM parts.

The warranty obligations are not dependent upon the use of any particular brand of replacement parts. The owner may elect to use non-genuine GM parts for replacement purposes. Use of replacement parts which are not of equivalent quality may impair the effectiveness of emission control systems.

If other than new, genuine GM parts are used for maintenance replacements or for the repair of parts affecting emission control, the owner should assure himself/herself that such parts are warranted by their manufacturer to be equivalent to genuine GM parts in performance and durability.

* "Genuine GM parts" when used in connection with GM vehicles means parts manufactured by or for GM, designed for use on GM vehicles, and distributed by any division or subsidiary of GM.

Maintenance and Repairs

Maintenance and repairs can be performed by any qualified service outlet; however, warranty repairs must be performed by an authorized dealer except in an emergency situation when a warranted part or a warranty station is not reasonably available to the vehicle owner.

In an emergency, where an authorized dealer is not reasonably available, repairs may be performed at any available service establishment or by the owner, using any replacement part. Cadillac will consider reimbursement for the expense incurred, including diagnosis, not to exceed the manufacturer's suggested retail price for all warranted parts replaced and labor charges based on Cadillac's recommended time allowance for the warranty repair and the geographically appropriate labor rate. A part not being available within 10 days or a repair not being completed within 30 days constitutes an emergency. Retain receipts and failed parts in order to receive compensation for warranty repairs reimbursable due to an emergency.

If, in an emergency situation, it is necessary to have repairs performed by other than a Cadillac dealer and you believe the repairs are covered by emission warranties, take the replaced parts and your receipt to a Cadillac dealer for reimbursement consideration. This applies to both the Federal Emission Defect Warranty and Federal Emission Performance Warranty.

Receipts and records covering the performance of regular maintenance or emergency repairs should be retained in the event questions arise concerning maintenance. These receipts and records should be transferred to each subsequent owner. GM will not deny warranty coverage solely on the absence of maintenance records. However, GM may deny a warranty claim if a failure to perform scheduled maintenance resulted in the failure of a warranty part.

Claims Procedure

As with the other warranties covered in this booklet, take your vehicle to any authorized Cadillac dealer facility to obtain service under the emission warranty. This should be done as soon as possible after failing an EPA-approved I/M test or a California smog check test, or at any time you suspect a defect in a part.

Those repairs qualifying under the warranty will be performed by any Cadillac dealer at no charge. Repairs which do not qualify will be charged to you. You will be notified as to whether or not the repair qualifies under the warranty within a reasonable time, not to exceed 30 days after receipt of the vehicle by the dealer, or within the time period required by local or state law.

The only exceptions would be if you request or agree to an extension, or if a delay results from events beyond the control of your dealer or GM. If you are not so notified, GM will provide any required repairs at no charge.

In the event a warranty matter is not handled to your satisfaction, refer to the "Customer Satisfaction Procedure" under Owner Assistance.

For further information or to report violations of the Emission Control System Warranty, you may contact the EPA at:

Manager, Certification and Compliance
Division (6405J)
Warranty Claims
Environmental Protection Agency
Ariel Rios Building
1200 Pennsylvania Avenue, N.W.
Washington, DC 20460
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Wednesday, July 6th, 2011 AT 12:17 AM

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