AutoCodes – Generic – B1314

B1314 Code - Battery Saver Relay Coil Circuit Open

Quick Answer

The Body Control Module (BCM) monitors the Battery Saver Relay. Common causes include Faulty Battery Saver Relay, Battery Saver Relay harness is open or shorted, Battery Saver Relay 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: B1314 indicates Battery Saver Relay Coil Circuit Open.
Common causes: Common causes include Faulty Battery Saver Relay, Battery Saver Relay harness is open or shorted, Battery Saver Relay 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.

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Code Popularity 18,793

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 Nov 29, 2024

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B1314 Description

The Body Control Module (BCM) monitors the Battery Saver Relay. The BCM sets the OBDII code when the Battery Saver Relay is not to factory specifications.

OBDII Code B1314 - Battery Saver Relay Coil Circuit Open - AutoCodes.com — B1314 Code - Battery Saver Relay Coil Circuit Open

What does this mean?

What are the Possible Causes of the DTC B1314?

Faulty Battery Saver Relay
Battery Saver Relay harness is open or shorted
Battery Saver Relay circuit poor electrical connection
Faulty Body Control Module (BCM)

How to Fix the DTC B1314?

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 B1314 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 B1314 code?

Need more information on how to fix the B1314 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B1314 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 B1314 Code

1. What does the OBDII code B1314 indicate?

The B1314 code signifies that there is an open circuit in the battery saver relay coil, which can affect the vehicle's ability to conserve battery power when the vehicle is off.

2. What are common symptoms of the B1314 code?

Symptoms may include the interior lights staying on longer than usual after the vehicle is turned off, increased battery drain, or the battery dying more quickly than expected.

3. What can cause the B1314 code to be triggered in a vehicle?

Potential causes include a faulty battery saver relay, damaged wiring in the relay circuit, or poor connections within the relay circuit.

4. How can I diagnose the B1314 code?

Diagnosis should start with a visual inspection of the battery saver relay and its circuitry for any obvious signs of damage or disconnection. Using a multimeter to check for continuity in the relay coil circuit can also help identify an open circuit.

5. What steps should be taken to repair a B1314 code?

Repair steps may include replacing the battery saver relay if it is found to be faulty, repairing any damaged wires or connectors in the relay circuit, and ensuring all connections are secure.

6. Is it safe to drive with the B1314 code?

While it may be safe to drive for a short period, doing so could result in a dead battery or reduced functionality of electrical components, which can eventually lead to more serious issues.

7. Does the B1314 code affect the vehicle's overall electrical system?

Yes, an open circuit in the battery saver relay can impact the electrical system by failing to properly manage power distribution when the vehicle is turned off, potentially leading to excessive battery drain.

8. How urgent is it to address a B1314 code?

It is moderately urgent to address this issue as it can lead to a drained battery and potential inconvenience, especially if the vehicle fails to start due to a dead battery.

9. Can a B1314 code clear itself if the underlying issue is resolved?

Yes, once the issue causing the open circuit is fixed, the code should clear. However, it may be necessary to use an OBDII scanner to reset the system and clear the code manually.

10. What tools are necessary to diagnose and repair a B1314 code?

Tools required may include a multimeter to test for continuity and voltage, a scanner to read and clear OBDII codes, and basic hand tools to access and replace the relay or repair wiring.