P1A07 FORD - Inverter High Voltage Performance

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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Possible causes

  • Faulty Transmission
  • Transmission high voltage cables is open or shorted
  • Transmission high voltage cables poor electrical connection

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P1a07 Ford Description

The Transmission Control Module (TCM) continuously monitors voltage at the motor and the generator inverters. It also checks the Controlled Area Network (CAN) communication bus for a voltage message from the Traction Battery Control Module (TBCM). This code indicates the measured voltage does not match the voltage received in the CAN message or is outside calibrated limits.
OBDII Code P1a07 Ford - Inverter High Voltage Performance - AutoCodes.com

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P1A07 FORD Comments

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