Review the 'Possible Causes' mentioned above and visually examine the corresponding wiring harness and connectors. Ensure to check for any damaged components and inspect the connector pins for signs of being broken, bent, pushed out, or corroded.
This Diagnostic Trouble Code (DTC) may be accompanied by other DTCs. Check for other DTCs and diagnose those first. If no DTCs are present, continue to follow diagnosis for this DTC.
To diagnose the P164C code, it typically requires 1.0 hour of labor. The specific diagnosis time and labor rates at auto repair shops can differ based on factors such as the location, make and model of the vehicle, and even the engine type. It is common for most auto repair shops to charge between $75 and $150 per hour.
The Powertrain Control Module (PCM) receives input signals from sensors and other components (switches, relays). Based on this information, the Powertrain Control Module generates output signals to control various relays, solenoids, and actuators. The Diagnostic Trouble Code (DTC) sets when an error occurs in the Powertrain Control Module.
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