AutoCodes – GMC – P183F GMC

P183F GMC 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 GMC 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 1,397

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

What does this mean?

What are the Possible Causes of the DTC P183F GMC?

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 GMC?

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 GMC 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.

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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 P183F GMC Code

1. What are the common symptoms of OBDII code P183F (GMC)?

The common symptoms of OBDII code P183F (GMC) include issues with shifting gears, hesitation or jerking when accelerating, and the inability to shift into certain gears.

2. What is the primary cause of OBDII code P183F (GMC)?

The primary cause of OBDII code P183F (GMC) is a correlation error between the internal mode switch positions 1 and 2, typically indicating a fault with the transmission range sensor or the internal mode switch itself.

3. How can I diagnose the root cause of OBDII code P183F (GMC)?

Diagnosing the root cause of OBDII code P183F (GMC) involves conducting a thorough inspection of the internal mode switch, checking the wiring harness and connectors for any damage, and performing a scan tool diagnosis to identify the specific issue.

4. What are the possible repair options for OBDII code P183F (GMC)?

Repair options for OBDII code P183F (GMC) may include replacing the internal mode switch, repairing any damaged wiring or connectors, resetting the transmission control module, or recalibrating the transmission range sensor.

5. Can I continue driving my vehicle with OBDII code P183F (GMC) present?

It is not recommended to continue driving your vehicle with OBDII code P183F (GMC) present, as it can lead to further transmission issues and potentially cause more extensive damage if left unaddressed.

6. How urgent is it to address OBDII code P183F (GMC)?

It is important to address OBDII code P183F (GMC) promptly to prevent potential transmission problems and ensure the safe and efficient operation of your vehicle.

7. Are there any DIY solutions for fixing OBDII code P183F (GMC)?

While some basic checks like inspecting the wiring connections can be done DIY, diagnosing and repairing the internal mode switch or transmission range sensor related issues may require professional expertise.

8. How much does it typically cost to repair OBDII code P183F (GMC)?

The cost of repairing OBDII code P183F (GMC) can vary depending on the specific issue, parts needed, and labor costs. It is advisable to consult a professional mechanic for an accurate estimate.

9. Can a faulty internal mode switch cause OBDII code P183F (GMC)?

Yes, a faulty internal mode switch can cause OBDII code P183F (GMC) by disrupting the correlation between mode switch positions 1 and 2, leading to transmission-related issues.

10. Is it possible for other underlying transmission problems to trigger OBDII code P183F (GMC)?

Yes, other underlying transmission problems such as issues with the transmission range sensor or wiring connections can trigger OBDII code P183F (GMC) due to the correlation error between mode switch positions 1 and 2.