Engine-Codes - Audi - P0784 Audi

P0784 Audi Code - 4-5 Shift Malfunction

- Code Popularity: 7,708 Views
- Repair Importance Level: 3/3
- Repair Difficulty Level: 3/3
Table of contents

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

  • 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 Audi 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 Audi?

Labor: 1.0

The cost to diagnose the P0784 Audi 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 Audi Code Detected?

The P0784 code is detected when actual gear position and the commanded gear position are different

|What are Code P0784 Audi Possible Symptoms?

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

|What Does the P0784 Audi 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 Audi Code - 4-5 Shift Malfunction

|Need more Information on the P0784 Audi Code?

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|Need Help with the P0784 Audi Code?

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