P1780 · blink 66 – Switch solenoid open/short
- System
- AT (4-speed, K3-VE E4A/T per spec table A1-3)
- Dashboard light
- Automatic gearbox warning light
- Check-engine blink code
- 66
- Applies to
- M300/M301 export; JDM Boon/Passo 1st gen by platform
- Description
- Switch solenoid open/short
- Detection / symptoms
- Warning lamp per chart (see page)
- Possible causes
- Switch solenoid open/short
- What to check
- Follow manual section procedure for this code
- Confidence
- high (factory chart); description parsing medium
From the factory service material. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights