OBDII Code List

P1EB9 BUICK - High Voltage Energy Management Communication Bus Enable Circuit

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

  • Faulty Hybrid/EV Powertrain Control Module
  • Hybrid/EV Powertrain Control Module harness is open or shorted
  • Hybrid/EV Powertrain Control Module circuit poor electrical connection

Possible symptoms

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

P1eb9 Buick Description

The Hybrid/EV Powertrain Control Module 2 activates the high voltage energy management communication enable circuit when the vehicle is on. This circuit wakes up the devices for high voltage energy bus communication.
OBDII Code P1eb9 Buick - High Voltage Energy Management Communication Bus Enable Circuit -

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P1EB9 BUICK Comments

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