This code indicates the Transmission Control Module (TCM) has detected a fault with Shift Solenoid “E. The problem can be electrical (circuit fault) or mechanical (solenoid stuck). Solenoid “E” helps control fluid flow for gear shifting — if it fails, shifting will be abnormal.
1. Faulty shift solenoid “E”
2. Damaged/corroded wiring or loose connector
3. Open circuit or short in the solenoid wiring
4. Contaminated or burnt transmission fluid
5. Internal valve body issue
6. Faulty TCM (rare)
1. Transmission stuck in limp mode
2. Harsh or delayed gear changes
3. Check Engine Light or transmission warning light on
4. Poor fuel efficiency
1. Confirm P0770 with OBD-II scanner
2. Check transmission fluid level and condition
3. Inspect wiring/connectors to solenoid “E”
4. Measure solenoid “E” resistance (spec ~12–30 Ω)
5. Test continuity from solenoid to TCM
1. Replace faulty solenoid “E” (replace filter & gasket too)
2. Repair/replace wiring or connectors
3. Service transmission fluid
4. Update TCM software if applicable
5. Clear codes and road test
Copyright © All Rights Reserved by SEHMBI