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.
To diagnose the P1A6F 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 Generator Control Module also called the Starter/Generator Control Module is comprised of the following three control modules: the Hybrid/EV Powertrain Control Module 1, 14 V Power Module, and the Drive Motor Control Module. These three control modules are non-serviceable and are part of the Generator Control Module.
The eAssist hybrid system has the ability to crank and start the engine using two different methods. The first method is a conventional 12-volt system. On every initial start up the conventional 12-volt starter and 12-volt battery are used to crank and start the engine.
The second starting method uses the 86-volt hybrid/EV battery pack and the starter/generator also called the drive motor. The drive motor is a 3 phase AC induction machine. This device not only serves as an 86-volt AC generator but is also used to provide engine power assist and to start the engine when in auto-stop mode. If the system is in the auto-stop mode and fails to restart with the drive motor, the 12-volt conventional starter will automatically be engaged to start the engine.
The Diagnostic Trouble Code (DTC) will be set when the Hybrid/EV Powertrain Control Module 1 detects that an autostart failed to take place successfully.
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