Is your defective GMC Yukon actually a LEMON?

Find out in 30 SECONDS or less if it qualifies for a REFUND or a CASH SETTLEMENT.

GMC TSB #21NA124

2021 GMC Yukon

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This service bulletin provides diagnostic tips/steps on testing for possible EVAP leaks in the system to correct a customer concern of an MIL Illuminated with DTCs P0442 and/or P0455 Set.

Click a tab for more information.

Date Published
MAY 25, 2021
NHTSA TSB #
10198890
Find something helpful? Spread the word.

Become a Fan & Spread the Word