Engine-Codes - Generic - P0A27

P0A27 Code - Hybrid Battery Pack Relay Feedback Circuit

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3
Table of contents

|P0A27 code possible causes

  • Faulty Hybrid Battery Cut Off Switch
  • Hybrid Battery Cut Off Switch harness is open or shorted
  • Hybrid Battery Cut Off Switch circuit poor electrical connection

|How is the P0A27 code repair?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the cost to diagnose the P0A27 code

Labor: 1.0

The cost to diagnose the P0A27 code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

|What are P0A27 code possible symptoms?

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

|What is P0A27 code meaning?

The Energy Storage Control Module (ESCM) will monitor the battery cut off switch for overvoltage or an open. The ESCM sets the OBDII code when the Hybrid Battery Cut Off Switch is not to factory specifications.

|Need more information with the P0A27 code?

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|P0A27 code information for specific makes

|Need help with a P0A27 code?

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