VEHICLE COMMUNICATION SYSTEM
EXAM STUDY GUIDE 2026/2027
COMPLETE QUESTIONS WITH VERIFIED
CORRECT ANSWERS || ALREADY GRADED
A+
What vehicle architectures use an automatic process to transfer ECU
configuration? Select all that apply. - ANSWER✔PowerNet
TIPM
What vehicle architectures use a manual process in the scan tool to program ECU
PROXI configuration? Select all that apply. - ANSWER✔
What is the resistance of the terminating resistor on networks equipped with one
star connector? - ANSWER✔60 ohms (Normal CAN Bus terminating resistance)
With the bus active and no faults present, what voltages should be measured on
CAN-C (-)? - ANSWER✔Not Approximately 4.8V
1.3-2.3V
Which of the following vehicles are equipped with the Atlantis architecture?
Select all that apply. - ANSWER✔Jeep renegade
Jeep compass
Alfa Giulia
Alfa Stelvio
,What Atlantis-High network uses splice block connectors? - ANSWER✔The WL
Grand Cherokee
Only on the CAN-BH Bus
Atlantis-High found on? - ANSWER✔2021 Grand Cherokee(or WL) (Automotive
Ethernet standard 100BASE-TX){1500 bytes up to 100 mbps}<still use a twisted
pair like CAN>
Can't be spliced or repaired like CAN Wires
Ideal for screen mirroring and streaming connected services
2022 Wagoneer(or WS)
With the bus active and no faults present, what voltages should be measured on
CAN-B (+)? - ANSWER✔0.39V-0.46V
Which diagnostic software and scan tool should be used to diagnose legacy
vehicle architectures? - ANSWER✔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? - ANSWER✔0.2V - 0.5V
, CAN-C is being measured.
What should Meter B display based on the fault shown? - ANSWER✔
What modules is the vehicle configuration data typically saved in? Select all that
apply. - ANSWER✔BCM
TIPM
Which diagnostic strategy can be used while performing the Loss of Comm Test
to help isolate intermittent concerns? - ANSWER✔Not Pull the fuse to each
module
BCM - ANSWER✔Body Control Module
BSM - ANSWER✔Braking System Module
CAN - ANSWER✔Control Area Network
CKP - ANSWER✔Crankshaft Position Sensor
CRC - ANSWER✔Cyclic Redundancy Check
CTM - ANSWER✔Convergence Telematics Module
DLC - ANSWER✔Data Link Connector
DMM - ANSWER✔Digital Multi Meter
EXAM STUDY GUIDE 2026/2027
COMPLETE QUESTIONS WITH VERIFIED
CORRECT ANSWERS || ALREADY GRADED
A+
What vehicle architectures use an automatic process to transfer ECU
configuration? Select all that apply. - ANSWER✔PowerNet
TIPM
What vehicle architectures use a manual process in the scan tool to program ECU
PROXI configuration? Select all that apply. - ANSWER✔
What is the resistance of the terminating resistor on networks equipped with one
star connector? - ANSWER✔60 ohms (Normal CAN Bus terminating resistance)
With the bus active and no faults present, what voltages should be measured on
CAN-C (-)? - ANSWER✔Not Approximately 4.8V
1.3-2.3V
Which of the following vehicles are equipped with the Atlantis architecture?
Select all that apply. - ANSWER✔Jeep renegade
Jeep compass
Alfa Giulia
Alfa Stelvio
,What Atlantis-High network uses splice block connectors? - ANSWER✔The WL
Grand Cherokee
Only on the CAN-BH Bus
Atlantis-High found on? - ANSWER✔2021 Grand Cherokee(or WL) (Automotive
Ethernet standard 100BASE-TX){1500 bytes up to 100 mbps}<still use a twisted
pair like CAN>
Can't be spliced or repaired like CAN Wires
Ideal for screen mirroring and streaming connected services
2022 Wagoneer(or WS)
With the bus active and no faults present, what voltages should be measured on
CAN-B (+)? - ANSWER✔0.39V-0.46V
Which diagnostic software and scan tool should be used to diagnose legacy
vehicle architectures? - ANSWER✔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? - ANSWER✔0.2V - 0.5V
, CAN-C is being measured.
What should Meter B display based on the fault shown? - ANSWER✔
What modules is the vehicle configuration data typically saved in? Select all that
apply. - ANSWER✔BCM
TIPM
Which diagnostic strategy can be used while performing the Loss of Comm Test
to help isolate intermittent concerns? - ANSWER✔Not Pull the fuse to each
module
BCM - ANSWER✔Body Control Module
BSM - ANSWER✔Braking System Module
CAN - ANSWER✔Control Area Network
CKP - ANSWER✔Crankshaft Position Sensor
CRC - ANSWER✔Cyclic Redundancy Check
CTM - ANSWER✔Convergence Telematics Module
DLC - ANSWER✔Data Link Connector
DMM - ANSWER✔Digital Multi Meter
