Engine-CodesGeneric – B1475

B1475 Code - Accessory Delay Relay Contact Short To Battery

Quick Answer

The diagnostic trouble code B1475 indicates that there is a short circuit between the accessory delay relay contact and the battery in the vehicle's electrical system. Common causes include Wiring damage or short circuit, Faulty accessory delay relay, Corrosion in the electrical connections. 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
B1475 indicates Accessory Delay Relay Contact Short To Battery.
Common causes
Common causes include Wiring damage or short circuit, Faulty accessory delay relay, Corrosion in the electrical connections.
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.
Table of contents Created and updated by William Orellana on Sep 10, 2024
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Code B1475 Description

The diagnostic trouble code B1475 indicates that there is a short circuit between the accessory delay relay contact and the battery in the vehicle's electrical system. The accessory delay relay is responsible for controlling power to various accessories in the car, such as the radio, power windows, and interior lights, allowing them to remain on for a short period after the ignition is turned off. When this relay contact shorts to the battery, it can cause a malfunction in the system, leading to various issues with the vehicle's electrical components.

OBDII Code B1475 - Accessory Delay Relay Contact Short To Battery
B1475 Code - Accessory Delay Relay Contact Short To Battery

Common Causes of B1475

  1. Wiring damage or short circuit.
  2. Faulty accessory delay relay.
  3. Corrosion in the electrical connections.
  4. Loose or damaged battery terminals.
  5. Faulty electrical components drawing excess power.

Symptoms of B1475

  1. Accessories turning on or off randomly.
  2. Battery draining quickly.
  3. Electrical components not functioning properly.
  4. Fuse blowing repeatedly.
  5. Dashboard warning lights related to electrical system issues.

How to Fix B1475

  1. Begin by inspecting the wiring harness for any visible damage or signs of a short circuit. Repair or replace any damaged wires.
  2. Test the accessory delay relay to determine if it is functioning correctly. Replace the relay if necessary.
  3. Check the battery terminals for corrosion or damage. Clean or tighten the terminals as needed.
  4. Inspect other electrical components connected to the accessory delay relay for any faults. Replace any faulty components.
  5. Clear the diagnostic trouble code from the vehicle's computer system and test the vehicle to ensure the issue has been resolved.

Cost to Fix B1475

The cost of repairing a B1475 diagnostic trouble code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, you can expect to pay anywhere from $100 to $300 for parts and labor. Keep in mind that diagnosis time and labor rates can vary between auto repair shops, so it's advisable to get a few quotes from different establishments to find the best price. Additionally, factors such as the vehicle make and model, engine type, and location can also impact the overall cost of the repair.

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Code B1475 Information for Specific Makes

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 B1475 Code

1. What are common symptoms of OBDII code B1475 (Accessory Delay Relay Contact Short To Battery)?

- Common symptoms include accessory systems not working properly, such as power windows, radio, and interior lights staying on when the vehicle is turned off.

2. What can cause OBDII code B1475 to trigger?

- This code is typically triggered by a short circuit between the accessory delay relay contact and the battery, often due to damaged wiring or a faulty relay.

3. How can I diagnose the cause of OBDII code B1475?

- A thorough visual inspection of the wiring and relay involved is a good starting point. Using a multimeter to check for continuity and shorts can help pinpoint the issue.

4. Is it safe to continue driving with OBDII code B1475 present?

- It is not recommended to drive with this code present, as it can lead to electrical malfunctions and potentially drain the vehicle's battery.

5. How can I repair OBDII code B1475 (Accessory Delay Relay Contact Short To Battery)?

- Repair involves identifying and fixing the short circuit, which may require repairing or replacing damaged wiring and/or the faulty relay.

6. Can I fix OBDII code B1475 myself, or should I seek professional help?

- Depending on your skill level and access to tools, you may be able to address this issue yourself by following repair guides. However, if you are unsure, it's best to seek professional help.

7. Are there any preventive measures to avoid OBDII code B1475 from reoccurring?

- Regularly inspecting the wiring harness for damage, ensuring proper relay function, and addressing any electrical issues promptly can help prevent this code from reappearing.

8. Will resetting the OBDII system clear code B1475?

- Resetting the OBDII system may temporarily clear the code, but it will likely reappear if the underlying issue causing the short circuit is not resolved.

9. How long does it typically take to repair OBDII code B1475?

- The repair time can vary depending on the extent of the damage and your experience with automotive electrical systems. It may take anywhere from a few hours to a full day.

10. Can OBDII code B1475 affect the overall performance of the vehicle?

- While this code itself may not impact the performance of the vehicle, unresolved electrical issues can lead to further complications and affect the overall reliability of the vehicle.

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