P08E4
Shift Solenoid L Control Circuit Low
Generic OBD-II
Common symptoms
What you'll notice
- Check and replace any damaged or worn
- out wiring/connectors related to the shift solenoid L control circuit.
- Inspect and clean the transmission control module (TCM) connectors, ensuring proper connection and eliminating any dirt or corrosion.
- Test and, if necessary, replace the shift solenoid L control circuit.
- Inspect and, if required, replace the transmission range sensor.
- If all else fails, consider replacing the transmission control module (TCM) itself.
Common causes
Most likely first
- Faulty shift solenoid L
- Low transmission fluid level
- Damaged or worn shift solenoid L connectors or wiring
- Malfunctioning transmission control module (TCM)
- Internal transmission damage or failure
How to diagnose & fix
Work through it in order
- Delayed or harsh shifting of gears
- Transmission slipping or failure to engage in gear
- Vehicle may not move in forward or reverse
- Check Engine Light illuminated
- Poor fuel economy
Read & clear P08E4 yourself
Scan your car, confirm the code, and clear it once it's fixed — with OBD DashX on your phone.