Pinpoint Test E : DTCS P0770, P0773, P0774: Notes
Refer to Transmission Controls - MPS6 for schematic and connector information.
Normal Operation and Fault Conditions
SSE controls the multiplexing of the SSD low/reverse and overdrive clutch. If SSE fails off (no pressure) then 1st gear is failed to 4th gear. If clutch select valve 2 sticks in the default position then 1st gear with engine braking is failed to 4th gear and reverse is failed to neutral. SSE is an On/Off solenoid.
DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| P0770 | SSE | Open, short to power or short to ground in the solenoid or wire harness. |
| P0773 | SSE Electrical | Open or short to ground in the solenoid or wire harness. |
| P0774 | SSE Intermittent | Intermittent circuit in the solenoid or wire harness open, shorted to ground or shorted to power. |
Possible Sources
- Connectors damaged or pushed-out terminals, corrosion, loose wires and missing or damaged seals
- SSE
- Transmission internal wiring harness frame
- PCM