P0C7A – Drive Motor ‘B’ Inverter Voltage Too High

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P0C7A Possible Causes

  • Drive Motor “A” Inverter faulty
  • Drive Motor “A” Inverter harness is open or shorted
  • Poor electrical connection in Drive Motor “A” Inverter circuit

What Does It Mean?

How to Fix Code P0C7A

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.

P0C7A Possible Symptoms

Engine Light On (or Service Engine Soon warning light)

P0C7A Meaning

The Engine Control Module (ECM) monitors the drive motor “B” inverter. The ECM sets the OBDII code when the drive motor “B” inverter does not meet factory specifications.

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