AutoCodes – Generic – B2681

B2681 Code - PRND Sender Failure

Quick Answer

The Powertrain Control Module (PCM) monitors the PRND Sender. Common causes include Faulty PRND Sender, PRND Sender harness is open or shorted, PRND Sender 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: B2681 indicates PRND Sender Failure.
Common causes: Common causes include Faulty PRND Sender, PRND Sender harness is open or shorted, PRND Sender 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 2,600

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 B2681 Description

The Powertrain Control Module (PCM) monitors the PRND Sender. The PCM sets the OBDII code when the PRND Sender is not to factory specifications.

OBDII Code B2681 - PRND Sender Failure - AutoCodes.com — B2681 Code - PRND Sender Failure

What does this mean?

What are the Possible Causes of the DTC B2681?

Faulty PRND Sender
PRND Sender harness is open or shorted
PRND Sender circuit poor electrical connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC B2681?

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 B2681 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 B2681 code?

Need more information on how to fix the B2681 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B2681 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

B2681 Ford — PRND Sender Failure
B2681 Lincoln — PRND Sender Failure
B2681 Mercury — PRND Sender Failure

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 B2681 Code

1. What are the common symptoms of OBDII code B2681 (PRND Sender Failure)?

The common symptoms of B2681 include incorrect gear indicator readings on the dashboard, difficulty shifting gears, and warning lights related to transmission issues.

2. What causes the OBDII code B2681 (PRND Sender Failure) to trigger?

The code B2681 is typically triggered when there is a malfunction in the gear position sensor or the transmission range sensor, leading to inaccuracies in the gear selection.

3. How serious is the OBDII code B2681 (PRND Sender Failure)?

While the code itself may not cause immediate drivability issues, it can lead to confusion for the driver regarding the actual gear position, potentially resulting in unsafe driving conditions.

4. Can I continue driving with the OBDII code B2681 (PRND Sender Failure) present?

It is not recommended to continue driving with the B2681 code present, as it can lead to further damage to the transmission system and potentially compromise safety.

5. How can I diagnose the source of the OBDII code B2681 (PRND Sender Failure)?

Diagnosing the B2681 code may require a scan tool to read the transmission control module for specific error codes related to the gear position sensor or range sensor.

6. What are some repair tips for fixing OBDII code B2681 (PRND Sender Failure)?

Repairing the B2681 code may involve replacing the faulty gear position sensor or transmission range sensor, recalibrating the sensors, or checking for wiring issues.

7. Can a DIY enthusiast fix the OBDII code B2681 (PRND Sender Failure)?

While some DIY enthusiasts may attempt to fix the B2681 code themselves, it is recommended to have a qualified mechanic diagnose and repair the issue to ensure proper functioning of the transmission system.

8. How much does it typically cost to repair OBDII code B2681 (PRND Sender Failure)?

The cost of repairing the B2681 code can vary depending on the underlying cause, but it may range from $100 to $500, including parts and labor.

9. Is the OBDII code B2681 (PRND Sender Failure) a common issue in certain vehicle makes and models?

The B2681 code may be more common in certain vehicle makes and models with electronic gear shifters and transmission systems, so it's advisable to check for any manufacturer recalls or technical service bulletins.

10. How can I prevent the recurrence of OBDII code B2681 (PRND Sender Failure) in the future?

Regular maintenance of the transmission system, including checking and replacing sensors as needed, can help prevent the recurrence of the B2681 code and ensure proper gear selection functionality.