Engine-CodesDodge – P0777 Dodge

P0777 Dodge Code - Pressure Control Solenoid 'B' Stuck On

Quick Answer

The P0777 code for Dodge vehicles indicates an issue with the Pressure Control Solenoid 'B' being stuck on. Common causes include Faulty pressure control solenoid 'B', Electrical issues, such as a short or open circuit, Blockage within the 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
P0777 Dodge indicates Pressure Control Solenoid 'B' Stuck On.
Common causes
Common causes include Faulty pressure control solenoid 'B', Electrical issues, such as a short or open circuit, Blockage within the 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.
Table of contents Created and updated by William Orellana on Sep 07, 2024
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Code P0777 Dodge Description

The P0777 code for Dodge vehicles indicates an issue with the Pressure Control Solenoid 'B' being stuck on. The pressure control solenoid is a vital component of the transmission system, responsible for regulating the hydraulic pressure within the transmission. When the solenoid becomes stuck in the "on" position, it can lead to significant problems with the transmission's operation.

OBDII Code P0777 Dodge - Pressure Control Solenoid 'B' Stuck On
P0777 Dodge Code - Pressure Control Solenoid 'B' Stuck On

Common Causes of P0777 Dodge

  1. Faulty pressure control solenoid 'B'
  2. Electrical issues, such as a short or open circuit
  3. Blockage within the solenoid valve
  4. Low transmission fluid levels
  5. Contaminated or degraded transmission fluid

Symptoms of P0777 Dodge

  1. Harsh or erratic shifting
  2. Delayed engagement when shifting gears
  3. Transmission slipping
  4. Vehicle going into "limp mode"
  5. Illumination of the Check Engine Light

How to Fix P0777 Dodge

  1. Diagnose the specific cause of the issue by using a scan tool to read the trouble codes and perform a visual inspection of the pressure control solenoid.
  2. If the pressure control solenoid 'B' is determined to be faulty, it will need to be replaced. This typically involves draining the transmission fluid, removing the transmission pan, and accessing the solenoid.
  3. Inspect the wiring and electrical connections to ensure there are no faults causing the solenoid to remain stuck on.
  4. Check the transmission fluid level and condition, topping up or replacing it as necessary.
  5. Clear the trouble codes, reset the vehicle's computer, and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P0777 Dodge

The cost of repairing a pressure control solenoid 'B' stuck on can vary depending on the specific vehicle make and model, as well as the labor rates in your area. On average, the parts for this repair can range from $100 to $300, while the labor costs can be between $150 and $300. In total, you can expect to pay anywhere from $250 to $600 for this repair. It's always best to consult with a professional mechanic to get an accurate estimate based on your vehicle's specific needs.

Tech Notes for P0777 Dodge

When a transmission solenoid is malfunctioned, in most cases the problem is not the electrical part of the solenoid; the problem is foreign material obstructing the mechanical function of the solenoid or the flow of the fluid through the transmission valve body. If the transmission fluid is dirty, it's recommended to change the transmission fluid and if possible removing the transmission pan for further diagnosis. Excessive debris or metal particles on the transmission pan could be an indication that there is a mechanical transmission failure and that the transmission will need to be rebuilt or replaced.

When is the Code Detected?

The gear required by the Engine Control Module (ECM) does not match the actual gear when driving

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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.

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