AutoCodes – Chevrolet – P1A5E Chevrolet

P1A5E Chevrolet Code - Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage

Quick Answer

The Body Control Module (BCM) controls the ignition run relay through the control circuit by applying voltage to the circuit. Common causes include 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. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P1A5E Chevrolet indicates Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage.
Common causes
Common causes include 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.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
AI answers can be wrong. Verify repairs with testing. Open full chat
Code Popularity 1,498
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Feb 06, 2020
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Code P1A5E Chevrolet Description

The Body Control Module (BCM) controls the ignition run relay through the control circuit by applying voltage to the circuit. The ignition circuit is energized when the vehicle power mode is Vehicle ON or Vehicle in Service Mode. The hybrid powertrain control module 2 sends the vehicle power mode status in a serial data message to the battery charger control module, A/C compressor, battery energy control module, fuel pump control module and the Transmission Control Module (TCM).
OBDII Code P1A5E Chevrolet - Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage - AutoCodes.com
P1A5E Chevrolet Code - Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage

What are the Possible Causes of the DTC P1A5E Chevrolet?

  • 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

How to Fix the DTC P1A5E Chevrolet?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P1A5E Chevrolet code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P1A5E Chevrolet code?

Need more information on how to fix the P1A5E Chevrolet code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P1A5E Chevrolet code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P1A5E Chevrolet Code

1. What are common symptoms of OBDII code P1A5E in a Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- Common symptoms include difficulty starting the vehicle, intermittent starting issues, and potential illumination of the check engine light.

2. What are possible causes of the P1A5E code in a Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- Possible causes include a faulty ignition switch, damaged wiring or connectors in the circuit, a weak battery, or issues with the Battery Energy Control Module itself.

3. How can I diagnose the P1A5E code in my Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- Diagnose the code by checking the battery voltage, inspecting the wiring and connectors for damage, and testing the ignition switch for proper functionality using a multimeter.

4. What steps can I take to repair the P1A5E code in my Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- Repair steps may include replacing the faulty ignition switch, repairing or replacing damaged wiring or connectors, charging or replacing the battery if needed, or replacing the Battery Energy Control Module.

5. Can I continue driving my Chevrolet with the P1A5E code related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- It is not recommended to continue driving the vehicle with this code as it may lead to potential starting issues or further electrical problems. It is best to address the issue promptly.

6. How much does it typically cost to repair the P1A5E code in a Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- Repair costs can vary depending on the specific cause of the code, but it may range from $100 to $500 or more, including parts and labor.

7. Can I reset the check engine light after repairing the P1A5E code in my Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- Yes, you can reset the check engine light using an OBDII scanner or by disconnecting the battery for a few minutes. If the issue is successfully repaired, the light should stay off.

8. Are there any preventive maintenance tips to avoid encountering the P1A5E code in a Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- To prevent this code, it is advisable to regularly check the condition of the battery, inspect the wiring for any signs of damage, and address any starting issues promptly to avoid potential electrical problems.

9. Will the P1A5E code in a Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage affect the vehicle's performance?

- While the code may not directly impact the vehicle's performance while driving, it can lead to starting issues and potentially cause electrical problems if left unresolved.

10. Can a DIY enthusiast with basic automotive knowledge repair the P1A5E code in a Chevrolet related to the Battery Energy Control Module Ignition On/Start Switch Circuit Low Voltage?

- Depending on the specific cause of the code, a DIY enthusiast with basic knowledge may be able to diagnose and repair the issue like checking wiring connections or replacing the battery. However, more complex repairs involving the ignition switch or module may require professional assistance.

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