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P0769 is a diagnostic trouble code (DTC) for "Shift Solenoid D 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.
When an abnormal voltage reading is detected by the PCM in the shift solenoid D, the P0769 code will be stored.
Shift solenoids are part of the system that manages the fluid transfer between circuits, and allows a vehicle to decelerate and accelerate. These solenoids are important for achieving the commanded vehicle speed, and for actuating optimal engine performance. If a solenoid (in this case, shift solenoid D) is not performing correctly, the PCM will store the P0769 code.
The most commonly observed causes of the P0769 code include:
In addition to the illuminated Check Engine lamp, some vehicle owners may observe:
However, some vehicle owners may observe no symptoms at all.
After verifying the code with an OBD-II scanner, the mechanic should begin by inspecting the transmission fluid. If the fluid is too low, it needs to be refilled; if the fluid appears dirty, or smells burnt, the system needs to be flushed and refilled with clean fluid. After this, and any other potential repair is complete, the P0769 code should be cleared from the system, and a retest should be performed. If the code does not reappear, the mechanic has successfully diagnosed the issue.
Should the code reappear, the next step is to inspect all electrical components, and replace or repair any that are damaged, loose, corroded, or otherwise inoperable. Inspections of the hydraulic pressure, the shift solenoid function, and all related circuits will be performed next, until the improperly functioning component is found.
The most common mistake made when diagnosing the P0769 code is replacing the shift solenoid itself, rather than first checking the circuit components for electrical issues.
Even when symptoms are not present, if the P0769 code is being detected, it should be dealt with immediately. This code indicates an issue that directly affects the operation of the vehicle, and could mean that the vehicle may not be operation for much longer, or that more expensive repairs will be needed down the road.
Addressing the P0796 code may include:
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