Snap-on EAZ0025B02B Error $30: 4th gear oil pressure switch malfunction condition (4th GEAR)

Diagnostic tool software · taken from the manufacturer’s manual, pages cited

Error code$30

Fourth gear oil pressure switch is malfunctioning. The manual lists no action for this code.

Model
Snap-on EAZ0025B02B
Display shows
$30
Type
Error code
Source
Manual p. 427

What $30 means

4th gear oil pressure switch malfunction condition (4th GEAR) p. 427

If $30 is still not resolved

  • contact service / dealer p. 174
    “CAUTION: YOU MUST READ TROUBLE CODES BEFORE SELECTING FUNCTIONAL TESTS OR CODES CAN BE LOST.”

This page summarises what the manufacturer’s manual says about $30; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Snap-on. Found a mistake? Report an error.