Line Pressure Diagnosis Chart
WARNING: This page is about a different variant/trim than selected.
| Test Results | Possible Source |
|---|---|
| HIGH at IDLE | Wiring Harnesses (open circuit/high resistance to LPC) LPC solenoid mechanically stuck ON Verify LPC operation by monitoring LINE pressure while commanding LINEDSD# up and down |
| Main pressure regulator valve stuck in default position | |
| LOW at IDLE | Low Transmission Fluid level |
| LPC solenoid mechanically stuck OFF Verify LPC operation by monitoring LINE pressure while commanding LINEDSD# up and down Fluid Inlet Filter/Seal Main pressure regulator valve stuck in spring compressed position Broken or missing main pressure regulator valve spring Pump |