AutoCodes – Ford – B2251 Ford

B2251 Ford Code - Parklamp Output Relay Driver Circuit Failure

Quick Answer

The Generic Electronic Module (GEM) monitors the Parklamp Output Relay Driver Circuit. Common causes include Faulty Headlamp Switch, Headlamp Switch harness is open or shorted, Headlamp Switch 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: B2251 Ford indicates Parklamp Output Relay Driver Circuit Failure.
Common causes: Common causes include Faulty Headlamp Switch, Headlamp Switch harness is open or shorted, Headlamp Switch 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 740

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 Oct 09, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code B2251 Ford Description

The Generic Electronic Module (GEM) monitors the Parklamp Output Relay Driver Circuit. The GEN sets the OBDII code when the Parklamp Output Relay Driver Circuit is not to factory specifications.

OBDII Code B2251 Ford - Parklamp Output Relay Driver Circuit Failure - AutoCodes.com — B2251 Ford Code - Parklamp Output Relay Driver Circuit Failure

What does this mean?

What are the Possible Causes of the DTC B2251 Ford?

Faulty Headlamp Switch
Headlamp Switch harness is open or shorted
Headlamp Switch circuit poor electrical connection
Faulty Generic Electronic Module (GEM)

How to Fix the DTC B2251 Ford?

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 B2251 Ford 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 B2251 Ford code?

Need more information on how to fix the B2251 Ford code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2251 Ford 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 B2251 Ford Code

1. What are the common symptoms of OBDII code B2251 in a Ford related to the Parklamp Output Relay Driver Circuit Failure?

- Common symptoms include inoperative park lamps, flickering or dim park lamps, or a park lamp warning light on the dashboard.

2. What are the possible causes of OBDII code B2251 in a Ford?

- Potential causes include a faulty parklamp output relay, damaged wiring or connectors in the circuit, a blown fuse, or a malfunctioning body control module.

3. How can I diagnose the Parklamp Output Relay Driver Circuit Failure in my Ford if I suspect OBDII code B2251?

- You can use a multimeter to test the parklamp output relay, check for continuity in the wiring, inspect the fuse related to the park lamps, and scan the vehicle's computer for specific error codes.

4. Can I continue driving my Ford with OBDII code B2251 triggered?

- It is generally safe to drive the vehicle with this code, but it is recommended to address the issue promptly to ensure proper functioning of the park lamps for visibility and safety.

5. Are there any DIY repair tips for fixing OBDII code B2251 in a Ford?

- DIY repair tips include checking and replacing the parklamp output relay, inspecting and repairing damaged wiring, ensuring the fuse is intact, and resetting the error code to see if the issue persists.

6. How much does it typically cost to repair OBDII code B2251 related to the Parklamp Output Relay Driver Circuit Failure in a Ford?

- The cost of repair can vary depending on the specific cause of the issue. Replacing a faulty relay or fuse may cost around $50-$100, while repairing wiring or addressing issues with the body control module can be more expensive.

7. Can extreme weather conditions affect the triggering of OBDII code B2251 in a Ford?

- Yes, extreme weather conditions such as heavy rain, snow, or extreme temperatures can sometimes lead to electrical issues that trigger this code due to increased stress on the vehicle's electrical system.

8. How long does it usually take to repair OBDII code B2251 in a Ford at a professional auto repair shop?

- The repair time can vary depending on the complexity of the issue. In general, it may take 1-2 hours for a mechanic to diagnose and fix the problem related to the Parklamp Output Relay Driver Circuit Failure.

9. Is it possible for OBDII code B2251 to be a recurring issue in a Ford even after repair?

- If the root cause of the problem is not properly addressed during repair, OBDII code B2251 may reoccur. It's essential to ensure all potential causes are thoroughly checked and resolved to prevent recurrence.

10. Will resetting the OBDII code B2251 in a Ford make the issue go away permanently?

- Resetting the code may temporarily turn off the warning light, but it will not fix the underlying problem. It's crucial to diagnose and repair the root cause to prevent the code from reappearing.