Engine-Codes - Ford - P0784 Ford

P0784 Ford Code - 4-5 Shift Error

- Code Popularity: 4,905 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

|What are the Possible Causes of the Code P0784 Ford?

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

|How to Fix the P0784 Ford Code?

Start by checking the "Possible Causes" listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector's pins.

|What is the Cost to Diagnose the Code P0784 Ford?

Labor: 1.0

The cost to diagnose the P0784 Ford code is 1.0 hour of labor. The auto repair's diagnosis time and labor rates vary by location, vehicle's make and model, and even your engine type. Most auto repair shops charge between $75 and $150 per hour.

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|When is the P0784 Ford Code Detected?

The P0784 code is detected when the engine RPM did not drop during the 4-5 upshift

|What are Code P0784 Ford Possible Symptoms?

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission may not shift to the next gear

|What Does the P0784 Ford Code Mean?

This P0784 code indicates that the 4-5 shift valve in the valve body is locked in the direction of the spring compression. The Transmission Control Module (TCM) controls the gearshifts by turning the shift solenoid valves ON/OFF and switching oil pressure to the valves in the valve body. The TCM calculates the actual transmission gear by comparing the signals from the input speed sensor and the output speed sensor.

P0784 Ford Code - 4-5 Shift Error

|Need more Information on the P0784 Ford Code?

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|Need Help with the P0784 Ford Code?

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