AutoCodes – Generic – P183F

P183F Code - Internal Mode Switch 1-2 Correlation

Quick Answer

The hybrid powertrain control module compares the internal mode switch requested direction to other data to verify that the indicated direction range switch calculation is correct. Common causes include Faulty Internal Mode Switch, Internal Mode Switch harness is open or shorted, Internal Mode 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: P183F indicates Internal Mode Switch 1-2 Correlation.
Common causes: Common causes include Faulty Internal Mode Switch, Internal Mode Switch harness is open or shorted, Internal Mode 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 4,676

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 30, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P183F Description

The hybrid powertrain control module compares the internal mode switch requested direction to other data to verify that the indicated direction range switch calculation is correct.

OBDII Code P183F - Internal Mode Switch 1-2 Correlation - AutoCodes.com — P183F Code - Internal Mode Switch 1-2 Correlation

What does this mean?

What are the Possible Causes of the DTC P183F?

Faulty Internal Mode Switch
Internal Mode Switch harness is open or shorted
Internal Mode Switch circuit poor electrical connection

How to Fix the DTC P183F?

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 P183F 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 P183F code?

Need more information on how to fix the P183F code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the P183F code diagnosed by a professional: Find a repair shop in your area

Information for Specific Makes

P183F Buick — Internal Mode Switch 1-2 Correlation
P183F Cadillac — Internal Mode Switch 1-2 Correlation
P183F Chevrolet — Internal Mode Switch 1-2 Correlation
P183F GMC — Internal Mode Switch 1-2 Correlation
P183F Infiniti — Gear Position Signal
P183F Nissan — Gear Position Signal

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 P183F Code

1. What are common symptoms of OBDII code P183F (Internal Mode Switch 1-2 Correlation)?

The common symptoms include erratic shifting, harsh shifting between gears, and the transmission getting stuck in a particular gear.

2. What does OBDII code P183F indicate?

OBDII code P183F indicates an issue with the correlation between internal mode switch positions 1 and 2 in the transmission.

3. What are the possible causes of OBDII code P183F?

Possible causes of P183F may include a faulty internal mode switch, damaged wiring or connectors related to the internal mode switch, or issues with the transmission control module.

4. How can I diagnose the OBDII code P183F?

Diagnosing P183F usually involves checking the internal mode switch for proper operation, inspecting the wiring and connectors for damage, and using a diagnostic scan tool to retrieve and analyze the trouble code.

5. Can I continue driving with OBDII code P183F present?

It is not recommended to continue driving with OBDII code P183F present, as it can lead to further damage to the transmission and potentially cause unsafe driving conditions.

6. How serious is OBDII code P183F?

OBDII code P183F should be addressed promptly, as it can affect the proper functioning of the transmission and lead to potential drivability issues if left unresolved.

7. How can OBDII code P183F be repaired?

Repairing P183F typically involves replacing the internal mode switch if faulty, repairing any damaged wiring or connectors, and clearing the trouble code from the vehicle's computer.

8. Can a DIY enthusiast fix OBDII code P183F?

While some DIY enthusiasts may be able to diagnose and repair OBDII code P183F, it is recommended to seek professional help, especially when dealing with transmission-related issues.

9. How much does it cost to fix OBDII code P183F?

The cost of fixing OBDII code P183F can vary depending on the root cause of the issue, the extent of the repair needed, and labor rates in your area. It is advisable to obtain quotes from reputable repair shops.

10. How can I prevent OBDII code P183F from occurring again?

Regular maintenance of the transmission system, including checking and replacing transmission fluid as recommended, can help prevent issues like OBDII code P183F from occurring again.