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P1EC1 BUICK

P1EC1 BUICK - Battery Energy Control Module High-Voltage Energy Communication Bus Enable Circuit Low Voltage

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

  • Faulty Hybrid Powertrain Control Module 2
  • Hybrid Powertrain Control Module 2 harness is open or shorted
  • Hybrid Powertrain Control Module 2 circuit poor electrical connection

Possible symptoms

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

P1ec1 Buick Description

The hybrid powertrain control module 2 activates the high-voltage energy management communication enable circuit when the vehicle is on. The high-voltage energy management communication enable circuit wakes up the battery energy control module for serial data communication.

The battery energy control module compares the high-voltage energy management communication enable hardwire signal with a hybrid powertrain control module 2 serial data message indicating that the high-voltage energy management communication enable signal is active.

OBDII Code P1ec1 Buick - Battery Energy Control Module High-Voltage Energy Communication Bus Enable Circuit Low Voltage - AutoCodes.com

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