AutoCodes – Generic – B2597

B2597 Code - Headlamp Aim Output Relay Circuit Failure

Quick Answer

The Body Control Module (BCM) monitors the Headlamp Aim Output Relay. Common causes include Faulty Headlamp Aim Output Relay, Headlamp Aim Output Relay harness is open or shorted, Headlamp Aim Output 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: B2597 indicates Headlamp Aim Output Relay Circuit Failure.
Common causes: Common causes include Faulty Headlamp Aim Output Relay, Headlamp Aim Output Relay harness is open or shorted, Headlamp Aim Output 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 4,360

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 Jan 01, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2597 Description

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

OBDII Code B2597 - Headlamp Aim Output Relay Circuit Failure - AutoCodes.com — B2597 Code - Headlamp Aim Output Relay Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B2597?

Faulty Headlamp Aim Output Relay
Headlamp Aim Output Relay harness is open or shorted
Headlamp Aim Output Relay circuit poor electrical connection

How to Fix the DTC B2597?

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 B2597 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 B2597 code?

Need more information on how to fix the B2597 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2597 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2597 Buick — Traction Control System Switch Circuit
B2597 Cadillac — Traction Control System Switch Circuit
B2597 Chevrolet — Traction Control System Switch Circuit
B2597 GMC — Traction Control System Switch Circuit

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 B2597 Code

1. What are the common symptoms of OBDII code B2597 (Headlamp Aim Output Relay Circuit Failure)?

- Common symptoms include malfunctioning headlamp aim control, dim or flickering headlights, and headlight alignment issues.

2. What can cause the OBDII code B2597 to trigger?

- The code B2597 is typically triggered by a faulty headlamp aim output relay, damaged wiring in the headlamp circuit, or a defective headlamp control module.

3. How can I diagnose the OBDII code B2597?

- To diagnose code B2597, a technician will use a scan tool to read the trouble codes, inspect the headlamp aim output relay, check the wiring for damage, and test the headlamp control module.

4. What are the possible repair options for OBDII code B2597?

- Repair options may include replacing the headlamp aim output relay, repairing damaged wiring, or replacing the headlamp control module, depending on the root cause of the issue.

5. Can I drive my vehicle with OBDII code B2597?

- It is not recommended to drive your vehicle with code B2597, as it can lead to unsafe headlight operation and reduced visibility on the road.

6. How much does it cost to repair OBDII code B2597?

- The cost to repair code B2597 can vary depending on the extent of the issue, parts needed for replacement, and labor charges. It is advisable to get a quote from a trusted mechanic.

7. Is OBDII code B2597 a serious issue?

- While code B2597 may not affect the drivability of the vehicle, it is important to address the issue promptly to ensure proper headlight function and maintain road safety.

8. Can I reset OBDII code B2597 on my own?

- You can reset the code using an OBDII scanner, but it is recommended to diagnose and repair the underlying issue causing code B2597 to prevent it from reoccurring.

9. How long does it take to repair OBDII code B2597?

- The repair time for code B2597 can vary depending on the complexity of the issue and the availability of parts. It is best to consult with a mechanic for a more accurate estimate.

10. Can OBDII code B2597 cause other problems in my vehicle?

- While code B2597 specifically relates to the headlamp aim output relay circuit failure, ignoring the issue could potentially lead to electrical problems or headlight malfunctions affecting overall vehicle safety.