Shift Solenoid ‘A’ Malfunction


Table of contents

P0750 AUDI Possible Causes

  • Low transmission fluid level
  • Dirty transmission fluid
  • Faulty shift solenoid ‘A’ valve
  • Shift solenoid ‘A’ valve harness or connectors
  • Shift solenoid ‘A’ valve circuit is open or shorted

How do I fix code P0750 AUDI?

  Check 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.

Tech Notes

  • When the a transmission solenoid is malfunction, 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 very dirty, it is recommend changing 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 transmission mechanical failure and that the transmission will need to be rebuilt or replaced.

Cost of diagnosing the P0750 AUDI code

  The cost of diagnosing the P0750 AUDI code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle’s make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

When is the code detected

  The P0750 code is detected when TCM detects an improper voltage drop when it tries to operate the solenoid valve.

Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)
  • Transmission will not shift gears.

P0750 AUDI Description

  Shift solenoid valve A is turned ON or OFF by the Transmission Control Module (TCM) in response to signals sent from the park/neutral position (PNP) switch, vehicle speed and Engine Control Module (ECM) (throttle opening). Gears will then be shifted to the optimum position.

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