AutoCodes – Generic – B2661

B2661 Code - Parklamp Relay Output Short to Battery

Quick Answer

The Vehicle Security Module monitors the Parklamp Relay. Common causes include Faulty Parklamp Relay, Parklamp Relay harness is open or shorted, Parklamp 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: B2661 indicates Parklamp Relay Output Short to Battery.
Common causes: Common causes include Faulty Parklamp Relay, Parklamp Relay harness is open or shorted, Parklamp 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 1,218

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 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2661 Description

The Vehicle Security Module monitors the Parklamp Relay. The Vehicle Security Module sets the OBDII code when the Parklamp Relay is not to factory specifications.

OBDII Code B2661 - Parklamp Relay Output Short to Battery - AutoCodes.com — B2661 Code - Parklamp Relay Output Short to Battery

What does this mean?

What are the Possible Causes of the DTC B2661?

Faulty Parklamp Relay
Parklamp Relay harness is open or shorted
Parklamp Relay circuit poor electrical connection
Faulty Vehicle Security Module

How to Fix the DTC B2661?

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 B2661 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 B2661 code?

Need more information on how to fix the B2661 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2661 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2661 Ford — Parklamp Relay Output Short to Battery
B2661 Lincoln — Parklamp Relay Output Short to Battery
B2661 Mercury — Parklamp Relay Output Short to Battery

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 B2661 Code

1. What does the OBDII code B2661 mean?

B2661 indicates a "Parklamp Relay Output Short to Battery," meaning there is an electrical issue where the parklamp relay output circuit is shorted directly to the battery voltage.

2. What are the common symptoms of the B2661 code?

Common symptoms include parklamps staying on constantly, malfunctioning exterior or interior lights, drained battery, or a blown fuse.

3. What causes the B2661 code to trigger?

The code is typically caused by a short circuit in the parklamp wiring, a faulty parklamp relay, damaged connectors, or corrosion in the electrical system.

4. Can the B2661 code drain my car battery?

Yes, since the parklamps may remain on due to the short circuit, this can lead to battery drain if the issue is not resolved.

5. How do I diagnose the B2661 code?

Start by inspecting the parklamp relay and its wiring for damage or corrosion. Use a multimeter to check for continuity and trace any short circuits in the circuit.

6. Can I fix the B2661 code myself?

If you're comfortable with electrical diagnostics, you can inspect and repair damaged wires, replace the parklamp relay, or clean corroded connections. Otherwise, seek professional help.

7. Is it safe to drive with the B2661 code?

Driving with this code may not immediately harm the vehicle, but unresolved electrical shorts can lead to further damage or safety issues, such as battery failure.

8. How much does it cost to repair the B2661 code?

Repair costs vary depending on the specific issue, but replacing a parklamp relay typically costs $20-$50, while resolving wiring issues can cost $100-$300 or more if professional labor is required.

9. Can a blown fuse cause the B2661 code?

A blown fuse may indicate an underlying short circuit in the parklamp circuit, which can trigger the code. Replacing the fuse without addressing the short will likely cause it to blow again.

10. Will resetting the code fix the problem?

Clearing the code without repairing the underlying issue will not resolve the problem, and the code will likely return. Proper diagnosis and repair are necessary.