P0774: Shift Solenoid E Intermittent — what it means, the affected system and what to check before replacing parts.
Meaning, symptoms, causes and checks
Shift Solenoid E Intermittent. Basic catalogue definition; diagnostic details have not yet been reviewed.
Affected system: Powertrain
Symptoms
- Check Engine or transmission warning light
- Harsh, delayed, or missing shifts
- Transmission stuck in one gear or fail-safe mode
- Possible overheating or reduced performance
Possible causes
- Low, contaminated, overheated, or incorrect fluid
- Damaged solenoid wiring or connector
- Faulty shift solenoid or valve-body hydraulic problem
- Internal transmission or control-module fault
What to check
- Save transmission and engine codes plus freeze-frame data
- Inspect fluid, leaks, connector, wiring, power, and ground
- Compare commanded gear, actual ratio, temperature, and solenoid state
- Perform electrical and hydraulic tests from service information
- Verify the repair through a controlled road test
- Check fluid condition and level using the correct procedure
- Inspect the transmission harness and connector
- Command the solenoid and test its circuit
Also written as: P0774-00, P077400, PO774 (some scan tools add the fault-type byte, e.g. -00).