AutoCodes – Chevrolet – P183E Chevrolet

P183E Chevrolet Code - Internal Mode Switch 2 Invalid Range

Quick Answer

The automatic transmission manual shift shaft position switch assembly, also called the internal mode switch assembly, contains two sliding hall-effect switch assemblies attached to the control valve body within the transmission. Common causes include Faulty Manual Shift Shaft Position Switch Assembly, Manual Shift Shaft Position Switch Assembly harness is open or shorted, Manual Shift Shaft Position Switch Assembly 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
P183E Chevrolet indicates Internal Mode Switch 2 Invalid Range.
Common causes
Common causes include Faulty Manual Shift Shaft Position Switch Assembly, Manual Shift Shaft Position Switch Assembly harness is open or shorted, Manual Shift Shaft Position Switch Assembly 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 1,941
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 30, 2020
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Code P183E Chevrolet Description

The automatic transmission manual shift shaft position switch assembly, also called the internal mode switch assembly, contains two sliding hall-effect switch assemblies attached to the control valve body within the transmission. The 9 outputs from the switches indicate which position is selected by the transmission manual shaft. Four outputs (A, B, C, P) are range selection inputs to the transmission control module (TCM). Five outputs (R1, R2, D1, D2, S) are direction selection inputs to the hybrid powertrain control module. The Range input signals are represented as TCM scan tool parameters, Internal Mode Switch A, B, C, and P. The Direction input signals are represented as hybrid powertrain control module scan tool parameters, Internal Mode Switch 2 - R1, R2, D1, D2, and S. The input voltage at the modules is high when a switch is open and low when a switch is closed to earth. Each control module independently supplies power and earth to its respective switch assembly.
The hybrid powertrain control module is internal to the power inverter module, often referred to as the drive motor generator power inverter module and is not serviced separately.
OBDII Code P183E Chevrolet - Internal Mode Switch 2 Invalid Range - AutoCodes.com
P183E Chevrolet Code - Internal Mode Switch 2 Invalid Range

What are the Possible Causes of the DTC P183E Chevrolet?

  • Faulty Manual Shift Shaft Position Switch Assembly
  • Manual Shift Shaft Position Switch Assembly harness is open or shorted
  • Manual Shift Shaft Position Switch Assembly circuit poor electrical connection

How to Fix the DTC P183E Chevrolet?

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 P183E Chevrolet 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 P183E Chevrolet code?

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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 P183E Chevrolet Code

1. What are the common symptoms of OBDII code P183E in a Chevrolet related to the Internal Mode Switch 2 Invalid Range?

The common symptoms include issues with shifting gears, the transmission not engaging properly, and illuminated warning lights on the dashboard.

2. What are the possible causes of OBDII code P183E indicating Internal Mode Switch 2 Invalid Range in a Chevrolet?

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

3. How can I diagnose the OBDII code P183E related to Internal Mode Switch 2 Invalid Range in my Chevrolet?

Diagnosis usually involves using a diagnostic scanner to read the code and then conducting further testing to pinpoint the exact cause, such as checking the internal mode switch and related wiring.

4. Is it safe to continue driving my Chevrolet with OBDII code P183E indicating Internal Mode Switch 2 Invalid Range?

It is not recommended to continue driving the vehicle with this code present, as it can lead to further transmission problems and potential safety issues.

5. How can I repair OBDII code P183E for Internal Mode Switch 2 Invalid Range in my Chevrolet?

Repair typically involves replacing the faulty internal mode switch, repairing any damaged wiring or connectors, and clearing the trouble code from the system.

6. Can I reset the OBDII code P183E in my Chevrolet related to Internal Mode Switch 2 Invalid Range without fixing the underlying issue?

Resetting the code without addressing the root cause will only temporarily clear the warning light, but the issue will likely reoccur until the problem is properly fixed.

7. Are there any DIY tips for fixing OBDII code P183E linked to Internal Mode Switch 2 Invalid Range in a Chevrolet?

While some basic troubleshooting like checking connections and fuses can be done DIY, it's recommended to consult a professional for accurate diagnosis and repair of this specific code.

8. How long does it typically take to repair OBDII code P183E for Internal Mode Switch 2 Invalid Range in a Chevrolet?

The repair time can vary depending on the exact cause of the code, but it may take a few hours to a day for a mechanic to diagnose and fix the issue.

9. Can a malfunctioning internal mode switch cause other transmission problems besides triggering OBDII code P183E in a Chevrolet?

Yes, a faulty internal mode switch can cause erratic shifting, transmission slippage, and other related transmission issues beyond just triggering the specific trouble code P183E.

10. Is it important to address OBDII code P183E related to Internal Mode Switch 2 Invalid Range immediately in my Chevrolet?

Yes, addressing the code promptly is crucial to prevent potential transmission damage and ensure the safe operation of your vehicle.

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