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P0754 is a diagnostic trouble code (DTC) for "Shift Solenoid A Intermittent". This can happen for multiple reasons and a mechanic needs to diagnose the specific cause for this code to be triggered in your situation. Our certified mobile mechanics can come to your home or office to perform the Check Engine Light diagnostic. Once we are able to diagnose the problem, you will be provided with an upfront quote for the recommended fix and receive $20.00 off as a credit towards the repair. All our repairs are backed by our 12-month / 12,000-mile warranty.
The P0754 code means that the powertrain control module (PCM) has detected that there is an irregularity in shift solenoid A. Other shift solenoid codes may accompany this code.
P0754 is the OBD-II generic code for a vehicles using automatic transmissions controlled by computers. They all rely on shift solenoids as a means of managing fluid levels in the different hydraulic circuits, and cue adjustments or alterations in the transmission's gear ratio. Without proper function a vehicle may be unable to decrease or increase speed, enjoy optimal fuel efficiency, or have a well performing engine.
The P0754 code can be caused by:
A P0754 code may surprise a driver because they may experience no symptoms. However, they may also experience the transmission failing to shift properly. Awkward or hard shifting, slippage, and overheating of the transmission can be symptoms of this issue. The transmission controller may also drop to "limp in" mode when the code appears, in order to protect the engine.
The P0754 code is diagnosed with an OBD-II scanner, and the mechanic will then use the freeze frame data to determine when the code was set and in what order it appeared with other codes. They will then reset the OBD-II fault codes and perform a road test to determine if the code resets.
The mechanic will then check transmission fluid levels and conditions, looking for signs of burnt fluid. The transmission pan may need to be removed and fluid flushed to look for debris. Debris can mean a transmission rebuild is needed. Without debris, it is time to look at all wiring and connections, replacing any circuitry as needed. The full internal transmission harness may need replacement, and then a retest can be done.
One of the biggest diagnostic mistakes relating to P0754 is that shift solenoid malfunctions are diagnosed (with replacements made) when it is actually the shift solenoid circuitry that is the problem and cause.
The P0754 code will not prevent the car from driving, but it can make it difficult or dangerous because of the potential for transmission slippage or rough shifting. It can also burn out the transmission, leading to the need for a full rebuild.
Mechanics commonly address the P0754 code with the following repairs:
It is possible that this code was due to a transmission leak, and especially if diagnostics show no return of the code after you have run initial tests and inspections. If the code does return after preliminary diagnostics and repairs, it could be the transmission pump, which is checked using a pressure gauge and comparing readings to the manufacturer's specs.
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