Based on the below from the warranty, I don't think they're covered either way. Sorry!
5. Emission Warranties Required By Law
5.1 Federal Emission Warranty
A. Parts Covered for 2 Years or 24,000 Miles Federal law requires DaimlerChrysler Motors Company LLC ("DaimlerChrysler") to warrant the following emissions parts for 2 years or 24,000 miles, whichever occurs first. DaimlerChrysler covers all of these parts under the Basic Limited Warranty for 3 years or 36,000 miles, whichever occurs first.
• Air system controls;
• distributor and its components;
• electronic fuel injection system, including injector;
• evaporative-emission canister and controls;
• exhaust manifold;
• exhaust gas recirculation valve and control system;
• exhaust pipes (between exhaust manifold and catalyst);
• fuel cap and tank assembly, pump, and fuel lines;
• ignition coil and ignition module;
• intake manifold;
• on-board diagnostic-system components;
• oxygen sensors;
• positive crankcase-ventilation (PCV) valve or orifice;
• secondary ignition wires;
• spark plugs;
• throttle body;
• transmission-control module;
• vacuum hoses, clamps, and fittings, as well as tubing used for these components;
• vacuum, temperature, altitude, speed, time sensitive valves, sensors, and switches used in these components and systems.
B. Parts Covered for 8 years or 80,000 miles
If your vehicle has one of the following parts, this Federal Emission Warranty covers that part for a period of 8 years or 80,000 miles, whichever occurs first. These limits are counted from the time when your Basic Limited Warranty begins under 2.1(E). The covered parts are:
• catalytic converter; and
• powertrain control module.