Snap-on EAZ0025B02B Error 12: Code 12 always flashes first, followed by any current codes

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

Warning code12

Code 12 always flashes first, followed by any current diagnostic codes. The manual lists no action for this code.

Model
Snap-on EAZ0025B02B
Display shows
Code 12 always flashes first, followed by any current codes (12)
Type
Warning code
Source
Manual p. 98

What 12 means

Code 12 always flashes first, followed by any current codes p. 98

Common causes

  • Code 12 always flashes first, followed by any current codes. p. 98

If 12 is still not resolved

  • contact service / dealer p. 174
    “CAUTION: YOU MUST READ TROUBLE CODES BEFORE SELECTING FUNCTIONAL TESTS OR CODES CAN BE LOST.”
Open the manual at page 98 All EAZ0025B02B error codes Manual details & download

This page summarises what the manufacturer’s manual says about 12; 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.