VIP Exclusive
GM Certified Technician VIP Practice Exam
GM — Modeled on GM's technician certification path through the GM Service Technical College (GM STC) and the related ASE A-series automotive tests GM dealer technicians typically hold; there is no single public 'GM exam,' so this is an original comprehensive practice set covering GM-specific service, diagnostic, and vehicle-systems knowledge.
47
Questions
90m
Time Limit
70.00%
To Pass
Question 1 of 47👑 VIP
A technician is diagnosing a 2021 Chevrolet Silverado 1500 with a no-crank complaint. The scan tool shows no communication with the ECM, but the BCM and IPC respond normally on the high-speed GMLAN bus. Battery voltage is 12.6V. What should the technician check FIRST?
Questions 2–47 and full explanations are VIP-exclusive.