e3.3
Shorted Pressure Switch, 2nd Stage (S8X2 2-stage only)
This code typically points to
- 2nd-stage pressure switch shorted/stuck closed
Next checks to confirm
- Verify 2nd-stage switch state before 2nd-stage proving
Escalation
2nd-stage operation fault
Reset behavior
Clears when switch state normalizes.
Urgent
Fix now