| DEFINITION: Harsh forced downshift felt when accelerating |
| Input speed sensor (76) |
- Perform electrical function test on the input speed sensor (76).
- Replace the input speed sensor (76) if fails electrical function test.
|
| Battery voltage |
- Inspect battery for correct voltage.
- Repair charging system or replace battery.
|
| Engine or transmission mounts |
- Inspect the engine mounts and the transmission mounts for wear or loose mounting fasteners.
- Replace any faulty engine or transmission mounts or loose fasteners.
|
| Suspension system |
- Inspect suspension components.
- Replace faulty suspension components.
|
| Transmission oil temperature sensor (32) |
- Perform function test on the transmission oil temperature sensor (32).
- Replace the automatic transmission wiring harness assembly (78).
|
| Line pressure control solenoid valve assembly (SLT) (312) |
- Perform electrical function checks on the line pressure control solenoid valve assembly circuit.
- Perform electrical function check on the line pressure control solenoid valve assembly (312).
- Replace valve body assembly (39) if line pressure control solenoid valve assembly (312) is faulty.
|
| Transmission control module (TCM) |
- Perform function test on the TCM.
- Replace TCM if fails function test.
|
| Valve body (39) |
Replace valve body (39). |
| Internal transmission parts |
- Disassemble the transmission and inspect for the following:
- Missing retaining rings
- Worn or broken thrust needle bearings and thrust washers
- Differential assembly backlash
- Worn drive and driven gears
- Worn planetary gear assemblies
- Replace the transmission if any faulty parts.
|