AutoCodes – RAM – P0750 RAM

P0750 RAM Code - Low Reverse Solenoid Circuit

Quick Answer

The Low Reverse (LR) is monitored at initially power-up, then every 10 seconds thereafter. Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Low Reverse solenoid valve. 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: P0750 RAM indicates Low Reverse Solenoid Circuit.
Common causes: Common causes include Low transmission fluid level, Dirty transmission fluid, Faulty Low Reverse solenoid valve.
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 3,289

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 Jul 01, 2020

Description
Step-by-Step Diagnostic Guide
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0750 RAM Description

The Low Reverse (LR) is monitored at initially power-up, then every 10 seconds thereafter. The solenoids will also be tested immediately after a gear ratio or pressure switch error is detected. The P0750 code is detected when the Transmission Control Module (TCM) detects three consecutive solenoid continuity test failures, or one failure if the test is run in response to a gear ratio or pressure switch error

OBDII Code P0750 RAM - Low Reverse Solenoid Circuit - AutoCodes.com — P0750 RAM Code - Low Reverse Solenoid Circuit

What does this mean?

What are the Possible Causes of the DTC P0750 RAM?

Low transmission fluid level
Dirty transmission fluid
Faulty Low Reverse solenoid valve
Low Reverse solenoid valve harness is open or shorted
Low Reverse solenoid valve circuit poor electrical connection

How to Fix the DTC P0750 RAM?

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 P0750 RAM 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 P0750 RAM Code

1. What are the common symptoms of OBDII code P0750 RAM (Low Reverse Solenoid Circuit)?

- Common symptoms include harsh shifting, delayed shifting, transmission slipping, and difficulty engaging reverse gear.

2. What are the possible causes of OBDII code P0750 RAM?

- Possible causes include a faulty low reverse solenoid, damaged wiring or connectors in the solenoid circuit, low transmission fluid level, or a faulty transmission control module.

3. How can I diagnose the cause of OBDII code P0750 RAM?

- Diagnose the code by checking the transmission fluid level and condition, inspecting the wiring and connectors in the solenoid circuit, and testing the low reverse solenoid for proper operation.

4. Can I still drive my vehicle with OBDII code P0750 RAM active?

- It is not recommended to drive the vehicle with an active P0750 code as it can lead to further transmission damage and potential safety hazards.

5. How can I repair OBDII code P0750 RAM?

- Repair options include replacing the low reverse solenoid, repairing or replacing damaged wiring or connectors, ensuring proper transmission fluid level, and resetting the trouble code with a scan tool.

6. Is it possible to reset OBDII code P0750 RAM without fixing the underlying issue?

- While resetting the code may temporarily turn off the check engine light, it is crucial to address the root cause of the problem to prevent further transmission issues.

7. Can a DIYer fix OBDII code P0750 RAM at home?

- Depending on the DIYer's skill level and access to tools, it may be possible to diagnose and repair OBDII code P0750 RAM at home. However, complex transmission repairs are best left to professionals.

8. How much does it cost to repair OBDII code P0750 RAM at a mechanic?

- Repair costs for OBDII code P0750 RAM can vary based on the extent of the issue, but expect to pay anywhere from $200 to $500 for parts and labor.

9. Will OBDII code P0750 RAM cause my vehicle to fail an emissions test?

- Yes, an active OBDII code P0750 RAM can cause your vehicle to fail an emissions test due to its impact on the transmission system.

10. How can I prevent OBDII code P0750 RAM from recurring in the future?

- To prevent the code from recurring, ensure regular maintenance of the transmission, promptly address any transmission fluid leaks, and address any electrical issues in the solenoid circuit promptly.