Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the P113C code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The oxygen sensor is controlled by the Smart Oxygen Module (smart O2 module). This module is a smart device that receives information, such as dew point flag, engine speed, etc., from the primary engine Electronic Control Module (ECM). It provides ECM with the oxygen concentration signal. It also performs its own diagnostics and reports failures back to the primary engine ECM. The ECM then decodes the error message and converts it to a fault code.
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