AutoCodes – Cadillac – B2601 Cadillac

B2601 Cadillac Code - DRL Relay Control Circuit Shorted To Ground

Quick Answer

The Daytime Running Lamps (DRL) Relay is controlled by the Body Control Module (BCM). Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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: B2601 Cadillac indicates DRL Relay Control Circuit Shorted To Ground.
Common causes: Common causes include Faulty Body Control Module (BCM), Body Control Module (BCM) harness is open or shorted, Body Control Module (BCM) 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 532

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 07, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2601 Cadillac Description

The Daytime Running Lamps (DRL) Relay is controlled by the Body Control Module (BCM). Ignition positive voltage is applied to the DRL relay coil. The BCM grounds the DRL relay control circuit in order to turn on the DRL relay. When the DRL relay control circuit becomes shorted to ground, DTC B2601 is set.

OBDII Code B2601 Cadillac - DRL Relay Control Circuit Shorted To Ground - AutoCodes.com — B2601 Cadillac Code - DRL Relay Control Circuit Shorted To Ground

What does this mean?

What are the Possible Causes of the DTC B2601 Cadillac?

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

How to Fix the DTC B2601 Cadillac?

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 B2601 Cadillac 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.

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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 B2601 Cadillac Code

1. What are the common symptoms of OBDII code B2601 in a Cadillac related to the DRL Relay Control Circuit shorted to ground?

- Common symptoms include malfunctioning Daytime Running Lights (DRL), flickering or dim lights, or complete loss of DRL functionality.

2. What are the possible causes of the DRL Relay Control Circuit shorted to ground in a Cadillac triggering code B2601?

- Potential causes include a faulty DRL relay, damaged wiring or connectors in the DRL circuit, or a short circuit in the DRL system.

3. How can I diagnose the DRL Relay Control Circuit shorted to ground issue in my Cadillac when OBDII code B2601 is detected?

- Use a multimeter to test the continuity of the wiring, check the DRL relay for proper function, and inspect connectors for corrosion or damage.

4. Can a DIY enthusiast repair the DRL Relay Control Circuit shorted to ground issue in a Cadillac with code B2601?

- Depending on the extent of the issue, a DIYer may be able to repair it by replacing the faulty relay, repairing damaged wiring, or fixing loose connections.

5. Is it safe to continue driving my Cadillac with the DRL Relay Control Circuit shorted to ground issue and OBDII code B2601?

- It is not recommended to drive the vehicle with this issue as it can affect the proper functioning of the DRL system, compromising visibility and safety.

6. How much does it typically cost to repair the DRL Relay Control Circuit shorted to ground issue in a Cadillac triggering code B2601?

- Repair costs can vary depending on the extent of the damage, but it may range from $100 to $300 for parts and labor.

7. Are there any preventive measures to avoid the DRL Relay Control Circuit shorted to ground issue in a Cadillac?

- Regularly inspecting the DRL system, checking for loose connections, and addressing any electrical issues promptly can help prevent this problem.

8. Can a weak car battery cause the DRL Relay Control Circuit to short to ground and trigger OBDII code B2601 in a Cadillac?

- While a weak battery can sometimes cause electrical issues, it is not a common cause for the DRL Relay Control Circuit shorted to ground.

9. How long does it typically take for a mechanic to diagnose and repair the DRL Relay Control Circuit shorted to ground issue in a Cadillac with code B2601?

- The diagnosis and repair process can take a few hours to half a day, depending on the accessibility of components and the complexity of the wiring system.

10. Will resetting the OBDII code B2601 related to the DRL Relay Control Circuit shorted to ground in a Cadillac make the issue go away?

- Resetting the code may temporarily turn off the check engine light, but it will not fix the underlying problem causing the DRL Relay Control Circuit short to ground.