AutoCodes – RAM – P1775 RAM

P1775 RAM Code - Solenoid Switch Valve Latched In TCC Position

Quick Answer

The Diagnostic Trouble Code (DTC) will set if 3 consecutive unsuccessful attempts are made to shift into 1st gear in one given key start. Common causes include Low battery voltage, Faulty LR Pressure Switch, LR Pressure Switch harness is open or shorted. 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: P1775 RAM indicates Solenoid Switch Valve Latched In TCC Position.
Common causes: Common causes include Low battery voltage, Faulty LR Pressure Switch, LR Pressure Switch harness is open or shorted.
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 1,510

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 22, 2021

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P1775 RAM Description

The Diagnostic Trouble Code (DTC) will set if 3 consecutive unsuccessful attempts are made to shift into 1st gear in one given key start. The transmission will have no 1st gear (2nd gear will be substituted), and no Electronically Modulated Converter Clutch (EMCC) operation. The Malfunction Indicator Light (MIL) will illuminate after 5 minutes of substituted operation.

OBDII Code P1775 RAM - Solenoid Switch Valve Latched In TCC Position - AutoCodes.com — P1775 RAM Code - Solenoid Switch Valve Latched In TCC Position

What does this mean?

What are the Possible Causes of the DTC P1775 RAM?

Low battery voltage
Faulty LR Pressure Switch
LR Pressure Switch harness is open or shorted
LR Pressure Switch circuit poor electrical connection
Faulty Transaxle Solenoid Pack

How to Fix the DTC P1775 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 P1775 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 P1775 RAM Code

What does the OBDII code P1775 mean for a RAM vehicle?

P1775 indicates that the solenoid switch valve is latched in the Torque Converter Clutch (TCC) position, which can affect the transmission's ability to function properly.

What are the common symptoms of code P1775 in a RAM vehicle?

Symptoms may include transmission slipping, difficulty shifting gears, reduced fuel efficiency, or the transmission going into limp mode.

What causes the P1775 code to be triggered?

Common causes include a malfunctioning solenoid switch valve, low transmission fluid, clogged transmission fluid passages, or a faulty transmission control module (TCM).

Can low transmission fluid cause the P1775 code?

Yes, low or degraded transmission fluid can cause the solenoid switch valve to malfunction, leading to the P1775 code.

How do I diagnose the P1775 code in my RAM vehicle?

Diagnosis involves checking the transmission fluid level and condition, inspecting the solenoid switch valve, testing the transmission control module, and scanning for additional trouble codes.

Is it safe to drive with the P1775 code?

Driving with this code is not recommended, as it can lead to further damage to the transmission and reduce vehicle performance.

How do I fix the P1775 code on a RAM vehicle?

Repairs may include replacing the solenoid switch valve, cleaning or flushing the transmission, topping off or replacing the transmission fluid, or repairing wiring and connections.

What should I check first when troubleshooting the P1775 code?

Start by checking the transmission fluid level and condition, as low or dirty fluid is a common cause of this issue.

Can a faulty TCM cause the P1775 code?

Yes, a malfunctioning transmission control module can misinterpret or fail to properly control the solenoid switch valve, triggering the P1775 code.

How much does it typically cost to fix the P1775 code in a RAM vehicle?

Repair costs vary but can range from $150 to $500, depending on whether the issue is with the solenoid, transmission fluid, or electronic components like the TCM.