What's the p013c code Jeep Grand Cherokee?

When the Jeep Grand Cherokee has a stored p013c code, it means that the powertrain control module (PCM) has detected a slow response time from the downstream (or post-catalytic converter) oxygen (o2) sensor or the engine bank two circuits.The oxygen sensor in Your vehicle measures oxygen levels in the exhaust gases exiting the engine. The oxygen sensor should be replaced every 60,000 to 90,000 miles. This sensor is a wear item and does fail over time.All cars that were manufactured post-1980 feature an oxygen sensor. It is located within the emissions control system. When functioning, the O2 sensor sends data to the management computer located within the engine. In Your car, a functioning O2 sensor ensures that Your engine is running at top performance.