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Code B1379

Symptoms

• Vehicle not starting

• Electrical components not working

• Warning lights on the dashboard

Common Causes

• Faulty battery

• Loose or corroded battery connections

• Damaged wiring or connectors

Glossary

Battery: A device that stores energy and provides electrical power to the vehicle.

Voltage: The electrical potential difference, measured in volts, that drives current through a circuit.

Related Codes

• B1380

• B1381

Laymans terms

This code means there's a problem with the car's battery or power supply. It's like when your toy's batteries are low and it doesn't work right.

Explanation

The B1379 code indicates an issue with the vehicle's power supply, specifically related to the battery or its connections.

Technical description

B1379 is a body code that typically relates to an open or short circuit in the vehicle's battery or power supply system. This could involve the battery itself, the wiring, or the connections that supply power to the vehicle's electrical systems.

Diagnosis steps

• Check battery voltage and condition

• Inspect battery terminals and connections for corrosion or looseness

• Examine wiring for damage or wear

Repair procedures

• Replace the faulty battery

• Clean and tighten battery connections

• Repair or replace damaged wiring

Tools required

• Multimeter

• Wrench set

• Wire stripper/crimper

Estimated repair cost

$50 - $200

Difficulty level

Moderate

Commonly affected vehicles

• Ford F-150

• Chevrolet Silverado

• Toyota Camry

Preventive measures

• Regularly check battery condition

• Ensure battery terminals are clean and tight

• Inspect wiring for wear during routine maintenance

Error code type

Electrical Issue

User experience recommendations

• Have your battery tested regularly

• Seek professional help if unsure about electrical repairs

Warranty information

Battery-related issues may be covered under a vehicle's basic warranty or a separate battery warranty.

Historical data

This code has been commonly associated with battery or electrical issues in vehicles with aging or poorly maintained batteries.

Urgency level

Moderate – While the vehicle may still operate, electrical issues can lead to further problems if not addressed.

Legal and safety notice

Ensure all repairs are conducted safely and in accordance with local regulations. Disconnect the battery before performing any electrical work.

Testing conditions

• Vehicle in park with engine off

• Battery fully charged

Component location

The battery is typically located in the engine bay, either on the driver's or passenger's side.

FAQs

Q: Can I drive with a B1379 code?
A: It's not recommended as electrical issues can worsen and affect other systems.

Q: How often should I check my battery?
A: It's a good idea to check your battery every six months or during routine maintenance.

Last updated: Oct 28, 2025 • Source: internal database
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