AutoCodes – Nissan – P2843 Nissan

P2843 Nissan Code - Shift Fork 'D' Position Circuit High

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 Common causes include Outdated Transmission Control Module (TCM) program (Reprogram TCM), Faulty Transmission Control Module (TCM), Faulty Transmission Assembly.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: P2843 Nissan indicates Shift Fork 'D' Position Circuit High.
Common causes: Common causes include Outdated Transmission Control Module (TCM) program (Reprogram TCM), Faulty Transmission Control Module (TCM), Faulty Transmission Assembly.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 1,276

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 Feb 16, 2019

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P2843 Nissan 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 P2843 Nissan - Shift Fork 'D' Position Circuit High - AutoCodes.com — P2843 Nissan Code - Shift Fork 'D' Position Circuit High

What does this mean?

What are the Possible Causes of the DTC P2843 Nissan?

Outdated Transmission Control Module (TCM) program (Reprogram TCM)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

How to Fix the DTC P2843 Nissan?

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 P2843 Nissan 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 P2843 Nissan code?

Need more information on how to fix the P2843 Nissan code? Get Access to Factory Service Manuals

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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 P2843 Nissan Code

1. What are the common symptoms of OBDII code P2843 in a Nissan related to the Shift Fork 'D' Position Circuit High?

The common symptoms include difficulty shifting gears, the transmission getting stuck in a specific gear, and the transmission not shifting at all.

2. What are the possible causes of OBDII code P2843 in a Nissan?

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

3. How serious is OBDII code P2843 in a Nissan?

This code can lead to significant transmission issues if left unresolved, potentially causing further damage to the transmission components. It is recommended to address the issue promptly.

4. How can I diagnose OBDII code P2843 in a Nissan?

Diagnosis typically involves using an OBDII scanner to read the code, inspecting the shift fork position sensor and its wiring, and testing the transmission control module for proper functionality.

5. Can OBDII code P2843 in a Nissan be fixed at home?

While some DIY enthusiasts may attempt to address this code at home, it is recommended to have a professional mechanic diagnose and repair the issue due to the complexity of transmission-related problems.

6. Are there any quick repair tips for fixing OBDII code P2843 in a Nissan?

Quick repair tips may include checking and cleaning the shift fork position sensor connectors, ensuring proper wiring connections, and resetting the transmission control module.

7. Will driving with OBDII code P2843 in a Nissan cause further damage?

Continued driving with this code can potentially cause more severe transmission issues, so it is advisable to address the problem as soon as possible to prevent additional damage.

8. How much does it typically cost to repair OBDII code P2843 in a Nissan?

The cost of repair can vary depending on the exact cause of the issue, but it may involve replacing the shift fork position sensor, repairing damaged wiring, or reprogramming the transmission control module.

9. Can resetting the OBDII system clear OBDII code P2843 in a Nissan?

While resetting the OBDII system may temporarily clear the code, it is important to diagnose and address the underlying issue causing the code to prevent it from reoccurring.

10. Is it safe to continue driving my Nissan with OBDII code P2843 present?

It is not recommended to drive the vehicle with this code present, as it can lead to transmission problems that may compromise safety and cause further damage to the vehicle.