Vehicle Communication Systems EXAM CURRENT FOR
2026/2027 PRACTICE QUESTIONS AND STUDY GUIDE
COMPLETE ACCURATE EXAM ACTUAL QUESTIONS AND
CORRECT VERIFIED ANSWERS WITH DETAILED
RATIONALES (RELIABLE SOLUTIONS) A NEW UPDATED
VERSION 2026 EDITION ||JUST RELEASED
Which diagnostic software and scan tool should be used to diagnose
legacy vehicle architectures?
Hybrid of CAN with early versions of serial-communication networks
Peripheral Component Interconnect
Serial Communication Interface
SAE's J1850, or K-Line as primary network
DRB-III or Star Scan
Enhanced DRB-III Emulatora
With the bus active and no faults present, what voltages should be
measured on LIN?
0.2V - 0.5V
CAN-C is being measured.
What should Meter B display based on the fault shown?
, What modules is the vehicle configuration data typically saved in?
Select all that apply.
BCM
TIPM
Which diagnostic strategy can be used while performing the Loss of
Comm Test to help isolate intermittent concerns?
Not Pull the fuse to each module
The Security Gateway (SGW) was introduced in what model year
vehicles?
2018
With the bus active and no faults present, what voltages should be
measured on CAN-C (+)?
2.6V-3.5V
2026/2027 PRACTICE QUESTIONS AND STUDY GUIDE
COMPLETE ACCURATE EXAM ACTUAL QUESTIONS AND
CORRECT VERIFIED ANSWERS WITH DETAILED
RATIONALES (RELIABLE SOLUTIONS) A NEW UPDATED
VERSION 2026 EDITION ||JUST RELEASED
Which diagnostic software and scan tool should be used to diagnose
legacy vehicle architectures?
Hybrid of CAN with early versions of serial-communication networks
Peripheral Component Interconnect
Serial Communication Interface
SAE's J1850, or K-Line as primary network
DRB-III or Star Scan
Enhanced DRB-III Emulatora
With the bus active and no faults present, what voltages should be
measured on LIN?
0.2V - 0.5V
CAN-C is being measured.
What should Meter B display based on the fault shown?
, What modules is the vehicle configuration data typically saved in?
Select all that apply.
BCM
TIPM
Which diagnostic strategy can be used while performing the Loss of
Comm Test to help isolate intermittent concerns?
Not Pull the fuse to each module
The Security Gateway (SGW) was introduced in what model year
vehicles?
2018
With the bus active and no faults present, what voltages should be
measured on CAN-C (+)?
2.6V-3.5V
