AutoCodes – Saturn – P1A24 Saturn

P1A24 Saturn Code - Hybrid Battery 1 Voltage

Quick Answer

Battery voltage sensors allow the Energy Storage Control Module (ESCM) to monitor the voltage of the batteries in the Energy Storage Box (ESB). Common causes include Faulty Energy Storage Box (ESB) Battery, Faulty Battery Energy Control Module (BECM), Battery Energy Control Module (BECM) harness is open or shorted. 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: P1A24 Saturn indicates Hybrid Battery 1 Voltage.
Common causes: Common causes include Faulty Energy Storage Box (ESB) Battery, Faulty Battery Energy Control Module (BECM), Battery Energy Control Module (BECM) harness is open or shorted.
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.

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Code Popularity 924

How popular is this code, among other codes? Low

Repair Importance Level

Urgent (Diagnose now) (3 / 3)

Repair Difficulty Level

Advanced (Pro) (3 / 3)

What is this?

Table of contents Created and updated by William Orellana on Feb 15, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1A24 Saturn Description

Battery voltage sensors allow the Energy Storage Control Module (ESCM) to monitor the voltage of the batteries in the Energy Storage Box (ESB). The batteries apply voltage to internal input resistors that are connected to the signal circuits of the battery voltage sensors. The module provides ground to the battery voltage sensors through the reference circuit. The ESCM monitors the voltage drop across the battery voltage sensors and uses the inputs for hybrid calculations. When the battery voltage is high, the resistances of the sensors are high and the voltage signals are high. When the battery voltage is low, the resistances of the sensors are low and the voltage signals are low.

OBDII Code P1A24 Saturn - Hybrid Battery 1 Voltage - AutoCodes.com — P1A24 Saturn Code - Hybrid Battery 1 Voltage

What does this mean?

What are the Possible Causes of the DTC P1A24 Saturn?

Faulty Energy Storage Box (ESB) Battery
Faulty Battery Energy Control Module (BECM)
Battery Energy Control Module (BECM) harness is open or shorted
Battery Energy Control Module (BECM) circuit poor electrical connection

How to Fix the DTC P1A24 Saturn?

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 P1A24 Saturn 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 P1A24 Saturn code?

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Need Help with the Code?

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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 P1A24 Saturn Code

1. What does the OBDII code P1A24 mean on a Saturn?

The P1A24 code indicates an issue with "Hybrid Battery 1 Voltage," suggesting a problem with the hybrid battery voltage that is outside the expected range.

2. What are the common symptoms of a P1A24 code in a Saturn vehicle?

Symptoms may include the check engine light or hybrid system warning light, reduced fuel economy, loss of hybrid functionality, and potential battery overheating.

3. What causes the P1A24 code on a Saturn?

Common causes include a faulty hybrid battery module, wiring issues, poor battery connections, or a malfunctioning battery voltage sensor.

4. Can I drive my Saturn with a P1A24 code?

Driving with this code is not recommended, as it may lead to reduced performance or damage to the hybrid system over time.

5. How do I diagnose the P1A24 code on a Saturn?

Diagnosis involves checking the hybrid battery voltage with a scan tool, inspecting the wiring and connections, and testing the battery voltage sensor for faults.

6. How is the P1A24 code fixed on a Saturn?

Repairs may include replacing the hybrid battery module, repairing or replacing damaged wiring, cleaning or tightening connections, or replacing a faulty voltage sensor.

7. Can a weak hybrid battery cause the P1A24 code?

Yes, a weak or failing hybrid battery can trigger this code if the voltage drops below the expected range.

8. What tools are needed to diagnose the P1A24 code on a Saturn?

You will need an OBDII scan tool capable of reading hybrid system codes, a multimeter for testing voltage, and possibly manufacturer-specific diagnostic equipment.

9. How much does it cost to repair the P1A24 code on a Saturn?

The repair cost varies widely depending on whether the issue is minor, such as a wiring repair, or major, like replacing the hybrid battery, which can cost several thousand dollars.

10. Can clearing the P1A24 code solve the problem on a Saturn?

Clearing the code may temporarily remove the check engine light, but if the underlying issue isnâ€™t resolved, the code will likely return.