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OBD II Fault Code

  • OBD II P0AFE

OBD-II Code Decreased engine performance is defined as a Conversion

The hybrid battery pack is composed of many individual battery cells (sometimes over 300 cells). The Hybrid Powertrain Control Module monitors the total voltage output of the hybrid battery pack. If the total output from the battery pack is lower than what it should be, code P0AFE will set.The High Voltage System may not function.

Decreased engine performance Symptoms

  • Decreased engine performance
  • Engine may not start
  • Engine may stall

Common Problems That Trigger the P0AFE Code

  • High voltage battery assembly failure
  • Powertrain Control Module (PCM) failure
  • Wiring issue
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