Engine-CodesFord – P1908 Ford

P1908 Ford Code - Transmission Pressure Circuit Solenoid Open or Short to Ground

Quick Answer

The P1908 Ford code indicates a problem with the transmission pressure circuit solenoid being open or shorted to ground. Common causes include Faulty transmission pressure control solenoid, Damaged wiring or connectors, Electrical issues. 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
P1908 Ford indicates Transmission Pressure Circuit Solenoid Open or Short to Ground.
Common causes
Common causes include Faulty transmission pressure control solenoid, Damaged wiring or connectors, Electrical issues.
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 09, 2024
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Code P1908 Ford Description

The P1908 Ford code indicates a problem with the transmission pressure circuit solenoid being open or shorted to ground. The transmission pressure control solenoid is a crucial component in automatic transmissions, responsible for regulating the hydraulic pressure within the transmission. This pressure is essential for shifting gears smoothly and efficiently. When the solenoid is open or shorted to ground, it can disrupt the transmission's ability to function properly, leading to a range of issues.

OBDII Code P1908 Ford - Transmission Pressure Circuit Solenoid Open or Short to Ground
P1908 Ford Code - Transmission Pressure Circuit Solenoid Open or Short to Ground

Common Causes of P1908 Ford

  1. Faulty transmission pressure control solenoid
  2. Damaged wiring or connectors
  3. Electrical issues
  4. Problems with the transmission control module
  5. Fluid contamination or low fluid levels

Symptoms of P1908 Ford

  1. Harsh or delayed shifting
  2. Slipping gears
  3. Erratic transmission behavior
  4. Inability to shift gears
  5. Transmission going into limp mode

How to Fix P1908 Ford

  1. Begin by diagnosing the exact cause of the issue using a scan tool to read the trouble codes and conducting further testing if necessary.
  2. Inspect the wiring harness and connectors for any signs of damage or corrosion, repairing or replacing as needed.
  3. Test the transmission pressure control solenoid for proper operation and replace it if faulty.
  4. Check the transmission fluid level and quality, topping up or replacing as required.
  5. Clear the trouble codes and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix P1908 Ford

The typical repair costs for addressing a P1908 Ford code can vary depending on the specific cause of the issue and the extent of the repairs needed. In general, the cost of replacing a transmission pressure control solenoid can range from $150 to $300, including parts and labor. Additional costs may apply if other components need to be replaced or if further diagnosis is required. It's important to consider that labor rates at auto repair shops can vary widely, so it's advisable to consult with a professional for a more accurate estimate based on your location and vehicle type.

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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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