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.
Some 2013 Fusion and MKZ vehicles may exhibit an illuminated wrench light with DTC P166A stored in the powertrain control module (PCM), or the memory seat recall function may be inoperative during passive entry. Reprogram the Body Control Module (BCM) to the latest calibration
To diagnose the P166A Lincoln 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.
This Diagnostic Trouble Code (DTC) sets when the Powertrain Control Module (PCM) detects an open or short in the IES circuit.
Need more information on how to fix the P166A Lincoln code? Get Access to Factory Service Manuals
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