Another warning signal on your dash. That can’t be good. Time for an OBD diagnosis.
What your vehicle’s telling you this time is a P0868 code. That means your transmission fluid pressure is low. And that can cause real problems, because the fluid is what lubricates and cools your transmission system.
A P0868 code (transmission fluid pressure low) is usually caused by a fluid leak or dirty fluid, a faulty transmission fluid pressure sensor, damaged wiring or connectors, a failing transmission pump or, less often, a faulty PCM. Get it diagnosed right away, because low pressure can cause severe transmission damage. (Se mantiene el párrafo del 68RFE.)
Driving a Ram 2500 or 3500 with the 68RFE? On that transmission the most common cause is air at the pump inlet: a loose spin-on filter, a cracked sump filter or a pump seal that is not seated flush. Our 68RFE low line pressure guide covers the tests and torque specs.
You may notice some problems even before your light comes on. Your gears may slip or not shift at all, you may have some overheating, in which case you may smell burning or even see smoke. And until the code is resolved, your vehicle may lock into a failsafe or emergency mode, or even worse, fatal transmission damage can occur. Nobody wants to hear that their automobile has a “fatal” anything.
P0868 is diagnosed with an OBD-II scan tool that reads transmission data, then a check of fluid level and condition, the pressure sensor and its wiring, and a line pressure test with a mechanical gauge. Guessing at parts without these tests is a common and costly mistake.
The P0868 repair depends on the cause found in the diagnosis: fixing a leak, flushing and refilling with clean fluid, or replacing the pressure sensor, pump, wiring or connectors. A faulty PCM may need replacement, and a damaged transmission may need a rebuild. Don’t drive the vehicle until it is repaired.
At Sun Transmission you will find the automatic transmission sensors that your vehicle needs. Browse our automatic transmission parts store and get the right one for your vehicle, like automatic transmission solenoids, automatic transmission additives, automatic transmission fluid, and automatic transmission bushing kits, as well as other products such as power steering parts, electronic power steering, and much more. For more information write to us through our online chat where we will gladly assist you.
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