E4
Temperature sensor fault (T3/T4/T5/Th/T3L/Tf)
This code typically points to
- Open or shorted sensors
- Wrong sensor connections
- Ambient beyond operating range
Next checks to confirm
- Ohm all suspect sensors
- Check wiring
- Verify operating conditions
Escalation
Multiple sensors to check — isolate specific sensor.
Reset behavior
Clears when sensor reads correctly.
Service Soon
Schedule repair