Possible Causes
WARNING: This page is about a different car, the 2019 RAM 3500 HD and 2019 RAM 2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
| Possible Causes |
|---|
| RELATED DTCS PRESENT |
| INPUT OR OUTPUT SPEED SENSOR(S) OR WIRING |
| LOW FLUID LEVEL |
| CRACKED OR MIS-INSTALLED PRIMARY OIL FILTER OR SEAL |
| WORN SOLENOID SWITCH VALVE OR PLUGS |
| STUCK OR STICKING MAIN REGULATOR VALVE |
| BURNED UD OR 4C CLUTCH |
| CUT 4C OR UD PISTON SEAL |
| BROKEN 4C PISTON CASTING |
| BROKEN OR MISSING 4C BLEED ORIFICE |
| BROKEN OR MISSING UD BLEED ORIFICE |
| CUT 4C OR UD ACCUMULATOR PISTON SEAL |
| CRACKED 4C OR UD ACCUMULATOR PISTON |
| TRANSMISSION SOLENOID/TRS ASSEMBLY |
| BROKEN REACTION SUN GEAR WELD |
| BROKEN REACTION ANNULUS GEAR WELD |
| FAILED REVERSE SUN GEAR SPLINE |
| FAILED REVERSE ANNULUS GEAR SPLINE |
| MISSING TEETH ON INPUT CLUTCH HUB TONE WHEEL |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .