GMC TSB #19NA196

2015 GMC Terrain

TSB Document:

Affected Component: ELECTRICAL SYSTEM

Summary
This diagnostic tip advises the tech to check if the upstream O2 sensor has been replaced with a faulty or aftermarket sensor and how to verify if the sensor is the cause of the concern.

Click a tab for more information.

Date Published
SEP 03, 2019
NHTSA TSB #
10166625
Find something helpful? Spread the word.

Become a Fan & Spread the Word