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.
There is a factory service bulletin for the 2016-2017 Volt. The factory recommends check for open fuse.
"This concern may be caused by an open 15 Amp fuse in the High Voltage Battery Disconnect Relay Assembly on the front part of the High Voltage Battery. If you experience one or more of the conditions above, check for an open 15A fuse in the Battery Disconnect Relay Assembly."
To diagnose the P1F59 Chevrolet 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 ECM uses two circuits to control and monitor the state of the 14V power module, often referred to as the accessory DC power control module.
The status circuit functions much like the F Terminal circuit on a generator equipped vehicle. A high side driver in the 14V power module applies a duty cycled voltage to the ECM. The duty cycle indicates 14V power module internal temperature and operational condition. The ECM will detect faults on the 14V power module status circuit when the vehicle is ON.
Need more information on how to fix the P1F59 Chevrolet code? Get Access to Factory Service Manuals
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