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Code B1317

Symptoms

• Dim headlights

• Slow engine crank

• Warning lights on the dashboard

Common Causes

• Weak or discharged battery

• Faulty alternator not charging the battery

• Loose or corroded battery connections

Glossary

Voltage: The electrical potential difference between two points.

Alternator: A device that generates electrical power to charge the battery and power the electrical system when the engine is running.

Related Codes

• P0562

• B1327

Laymans terms

This code means that the car's battery is not giving enough power to the car's computer system. It's like when your toy's battery is running low and it doesn't work properly.

Explanation

The B1317 code indicates a low battery voltage condition detected by the vehicle's control module.

Technical description

B1317 is a Body Code indicating that the vehicle's control module has detected a voltage level below the specified threshold. This can affect the operation of various electronic components in the vehicle.

Diagnosis steps

• Check the battery voltage with a multimeter.

• Inspect battery terminals for corrosion or looseness.

• Test the alternator's charging output.

Repair procedures

• Charge or replace the battery if necessary.

• Clean and tighten battery connections.

• Replace the alternator if it is not charging properly.

Tools required

• Multimeter

• Wrench set

• Battery charger

Estimated repair cost

$50 - $300

Difficulty level

Moderate

Commonly affected vehicles

• Ford Focus

• Chevrolet Malibu

• Toyota Camry

Preventive measures

• Regularly check battery health.

• Ensure battery terminals are clean and tight.

• Have the charging system inspected periodically.

Error code type

Electrical System Issue

User experience recommendations

• Avoid using high-power accessories when the engine is off.

• Have your battery and charging system checked regularly.

Warranty information

Battery and charging system components may be covered under a vehicle's basic warranty or extended warranty plans.

Historical data

B1317 has been a common issue in vehicles with aging batteries or charging system problems. It often appears in older models or vehicles with high mileage.

Urgency level

Moderate – This issue should be addressed soon to prevent potential starting problems or further electrical issues.

Legal and safety notice

Driving with a low battery voltage can lead to vehicle stalling and loss of power, which may pose a safety risk.

Testing conditions

• Vehicle ignition on

• Battery fully charged

Component location

The battery is typically located in the engine compartment, but some vehicles may have it in the trunk or under the rear seat.

FAQs

Q: What happens if I ignore this code?
A: Ignoring this code can lead to a dead battery, leaving you stranded, or cause other electronic components to malfunction.

Q: Can I drive my car with a B1317 code?
A: You can drive for a short period, but it's best to address the issue soon to avoid being stranded or causing further damage.

Last updated: Feb 7, 2026 • Source: internal database
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