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P1FFF CHEVROLET

P1FFF CHEVROLET - System Isolation/Coolant Level Sensor Fault - Hybrid/EV Battery Charging System Disabled

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

  • Faulty System Isolation/Coolant Level Sensor
  • System Isolation/Coolant Level Sensor harness is open or shorted
  • System Isolation/Coolant Level Sensor circuit poor electrical connection

Possible symptoms

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

P1fff Chevrolet Description

This diagnostic is an indicator that hybrid/EV battery pack charging is disabled because the hybrid/EV powertrain control module 2 detected one of the following conditions:

- A loss of isolation between the hybrid/EV battery pack high voltage circuits and vehicle chassis

- A low coolant condition of the hybrid/EV battery pack coolant system

- A fault in the hybrid/EV battery pack coolant level sensor/circuit

OBDII Code P1fff Chevrolet - System Isolation/Coolant Level Sensor Fault - Hybrid/EV Battery Charging System Disabled - AutoCodes.com

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P1FFF CHEVROLET Comments

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