Engine-Codes - Generic - P0A27

P0A27 Code - Hybrid Battery Pack Relay Feedback Circuit

- Code Popularity: 8,568 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code P0A27?

  • 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 to Fix the P0A27 Code?

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 Code P0A27?

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.

Does your Car have Safety Recalls? → Check here

|What are Code P0A27 Possible Symptoms?

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

|What Does the P0A27 Code Mean?

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.

P0A27 Code - Hybrid Battery Pack Relay Feedback Circuit

|Need more Information on the P0A27 Code?

Need more information on how to fix the P0A27 code? Get Access to Factory Service Manuals

|Code P0A27 Information for Specific Makes

|Need Help with the P0A27 Code?

Get the P0A27 code diagnosed by a professional: Find a repair shop in your area