AutoCodes – Generic – P2837

P2837 Code - Shift Fork 'B' Position Circuit Range/Performance

Quick Answer

There are two electric motors used to shift the gears in the transmission, on for gears 1-3-5 and one for gears R-2-4-6. Common causes include Outdated Transmission Control Module (TCM) program (Reprogram TCM), Faulty Transmission Control Module (TCM), Faulty Transmission Assembly. 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: P2837 indicates Shift Fork 'B' Position Circuit Range/Performance.
Common causes: Common causes include Outdated Transmission Control Module (TCM) program (Reprogram TCM), Faulty Transmission Control Module (TCM), Faulty Transmission Assembly.
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 48,718

How popular is this code, among other codes? Medium

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 Feb 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2837 Description

There are two electric motors used to shift the gears in the transmission, on for gears 1-3-5 and one for gears R-2-4-6. The gear shifting is made by two shift drums connected to shift motor pinion via two ideal gears. The maximum shift force is 1500N (337 lb). The motors are integrated in the Transmission Control Module (TCM) and work independently of each other.

OBDII Code P2837 - Shift Fork 'B' Position Circuit Range/Performance - AutoCodes.com — P2837 Code - Shift Fork 'B' Position Circuit Range/Performance

What does this mean?

What are the Possible Causes of the DTC P2837?

Outdated Transmission Control Module (TCM) program (Reprogram TCM)
Faulty Transmission Control Module (TCM)
Faulty Transmission Assembly

How to Fix the DTC P2837?

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 P2837 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 P2837 code?

Need more information on how to fix the P2837 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2837 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2837 Ford — Shift Fork 'B' Position Circuit Range/Performance
P2837 Nissan — Shift Fork 'B' Position Circuit Range/Performance

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 P2837 Code

1. What are the common symptoms of OBDII code P2837 Shift Fork 'B' Position Circuit Range/Performance?

- Common symptoms include transmission shifting problems, rough shifting, and the transmission staying in one gear.

2. What are the potential causes of OBDII code P2837?

- Possible causes include a faulty shift fork position sensor, wiring issues in the shift fork circuit, or a malfunctioning transmission control module.

3. How is OBDII code P2837 diagnosed?

- Diagnosis typically involves using a scan tool to retrieve the trouble code, inspecting the shift fork position sensor and its wiring, and testing the transmission control module.

4. Can OBDII code P2837 be fixed by resetting the vehicle's computer?

- While clearing the trouble code may temporarily turn off the check engine light, it is important to address the underlying issue causing the code to prevent further transmission problems.

5. What are some repair tips for fixing OBDII code P2837?

- Repair tips may include checking and repairing any damaged wiring, replacing the shift fork position sensor if faulty, and ensuring proper connection to the transmission control module.

6. Is it safe to continue driving with OBDII code P2837 present?

- It is not recommended to drive with this code present, as it can lead to further transmission issues and potential safety hazards. It is best to address the problem promptly.

7. Can a DIY enthusiast fix OBDII code P2837 at home?

- Depending on the individual's skills and knowledge, some DIY enthusiasts may be able to diagnose and repair the issue causing OBDII code P2837. However, professional help may be needed for more complex repairs.

8. How much does it typically cost to repair OBDII code P2837 at a repair shop?

- The cost of repairing OBDII code P2837 can vary depending on the cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is advisable to get a diagnosis and estimate from a trusted repair shop.

9. Can a transmission fluid change help resolve OBDII code P2837?

- While clean transmission fluid is essential for smooth operation, simply changing the fluid is unlikely to resolve OBDII code P2837. It is important to address the specific component or wiring issue causing the code.

10. How can preventive maintenance help avoid OBDII code P2837 in the future?

- Regular transmission inspections, ensuring proper fluid levels, and addressing any unusual shifting behaviors promptly can help prevent issues like OBDII code P2837 from occurring.