Engine-CodesGeneric – P2816

P2816 Code - Pressure Control Solenoid 'H'

Quick Answer

The OBD-II trouble code P2816 indicates a problem with the Pressure Control Solenoid 'H' in the transmission control system. Common causes include Faulty pressure control solenoid 'H', Electrical issues such as wiring problems or a faulty transmission control module, Low transmission fluid level or dirty fluid. 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
P2816 indicates Pressure Control Solenoid 'H'.
Common causes
Common causes include Faulty pressure control solenoid 'H', Electrical issues such as wiring problems or a faulty transmission control module, Low transmission fluid level or dirty fluid.
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 14, 2024
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Code P2816 Description

The OBD-II trouble code P2816 indicates a problem with the Pressure Control Solenoid 'H' in the transmission control system. The pressure control solenoid is responsible for regulating the hydraulic pressure within the transmission, which is crucial for proper gear shifting and overall transmission performance. When this solenoid malfunctions or fails, it can lead to various issues with the transmission's operation.

OBDII Code P2816 - Pressure Control Solenoid 'H'
P2816 Code - Pressure Control Solenoid 'H'

Common Causes of P2816

  1. Faulty pressure control solenoid 'H'
  2. Electrical issues such as wiring problems or a faulty transmission control module
  3. Low transmission fluid level or dirty fluid
  4. Mechanical failure within the transmission
  5. Overheating of the transmission

Symptoms of P2816

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Erratic behavior while driving
  4. Decreased fuel efficiency
  5. Transmission overheating

How to Fix P2816

  1. Perform a thorough diagnostic scan to confirm the P2816 code and identify the specific issue with the pressure control solenoid 'H'.
  2. Inspect the wiring and electrical connections related to the solenoid for any damage or corrosion. Repair or replace as needed.
  3. Check the transmission fluid level and condition. Top off or replace the fluid if necessary.
  4. Test the pressure control solenoid 'H' for proper operation and replace it if it is found to be faulty.
  5. Clear the trouble code from the vehicle's computer system and test drive the vehicle to ensure the issue has been resolved.

Cost to Fix P2816

The typical repair costs for addressing the Pressure Control Solenoid 'H' issue can range from $200 to $500, including parts and labor. However, the specific diagnosis time and labor rates at auto repair shops can vary based on factors such as location, vehicle make and model, and engine type. It's advisable to check local rates for a more precise estimate. Most auto repair shops commonly charge between $80 and $150 per hour for labor, with rates potentially higher in metropolitan areas or at dealerships, and lower at independent shops.

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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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