AutoCodes – Generic – P2842

P2842 Code - Shift Fork 'D' Position Circuit Low

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 Common causes include Outdated Transmission Control Module (TCM) program (Reprogram TCM), Faulty Transmission Control Module (TCM), Faulty Transmission Assembly.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: P2842 indicates Shift Fork 'D' Position Circuit Low.
Common causes: Common causes include Outdated Transmission Control Module (TCM) program (Reprogram TCM), Faulty Transmission Control Module (TCM), Faulty Transmission Assembly.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.

Save to My Repairs My Repairs

AI answers can be wrong. Verify repairs with testing. Open full chat

Code Popularity 5,594

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
Add Comment

💬 Need more help? Ask Coddy for instant answers — it's free!

Code P2842 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 P2842 - Shift Fork 'D' Position Circuit Low - AutoCodes.com — P2842 Code - Shift Fork 'D' Position Circuit Low

What does this mean?

What are the Possible Causes of the DTC P2842?

Outdated Transmission Control Module (TCM) program (Reprogram TCM)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

How to Fix the DTC P2842?

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 P2842 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 P2842 code?

Need more information on how to fix the P2842 code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P2842 code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P2842 Ford — Shift Fork 'D' Position Circuit Low
P2842 Nissan — Shift Fork 'D' Position Circuit Low

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 P2842 Code

1. What are the common symptoms of OBDII code P2842 (Shift Fork 'D' Position Circuit Low)?

The common symptoms of P2842 may include difficulty shifting gears, transmission slippage, and the transmission not engaging properly.

2. What are the possible causes of OBDII code P2842?

The possible causes of P2842 include a faulty shift fork position sensor, damaged wiring or connectors in the shift fork circuit, or a malfunctioning transmission control module.

3. How can I diagnose OBDII code P2842?

Diagnosing P2842 typically involves using a diagnostic scanner to read the code, checking the shift fork position sensor and related wiring for any visible damage, and testing the circuit for proper voltage and continuity.

4. Can I still drive my vehicle with OBDII code P2842?

It is not recommended to drive your vehicle with OBDII code P2842, as it can lead to further damage to the transmission. It is best to address the issue promptly.

5. How do I repair OBDII code P2842?

Repairing P2842 may involve replacing the shift fork position sensor, repairing any damaged wiring or connectors in the circuit, or reprogramming the transmission control module.

6. Can a DIY enthusiast fix OBDII code P2842 at home?

While some DIY enthusiasts may have the skills to diagnose and repair P2842, it is recommended to consult a professional mechanic for proper diagnosis and repair to ensure the issue is addressed correctly.

7. How much does it cost to repair OBDII code P2842?

The cost to repair P2842 can vary depending on the root cause of the issue, the labor rates in your area, and the cost of any necessary parts. It is best to get a few quotes from different mechanics to compare prices.

8. Is OBDII code P2842 a common issue in certain vehicle makes and models?

P2842 can be more common in certain vehicle makes and models, particularly those with automatic transmissions. However, it can still occur in any vehicle with a shift fork position sensor.

9. Will resetting the OBDII code P2842 make it go away permanently?

Simply resetting the code without addressing the underlying issue will not make P2842 go away permanently. It is essential to diagnose and repair the root cause of the problem to prevent the code from reoccurring.

10. How urgent is it to address OBDII code P2842?

It is crucial to address P2842 promptly to prevent further damage to the transmission and ensure the safe operation of your vehicle. Delaying repairs can lead to more significant issues and potentially higher repair costs.