#1
What does the fault code B0001 indicate in a vehicle's airbag system?
Driver frontal stage 1 deployment control
ExplanationIndicates driver frontal stage 1 deployment control in the airbag system.
#2
What does the fault code P0128 indicate in a vehicle's engine control system?
Coolant thermostat (coolant temperature below thermostat regulating temperature)
ExplanationIndicates coolant thermostat malfunction due to temperature being below regulation.
#3
What does the fault code P0455 indicate in a vehicle's evaporative emission control system?
Evaporative emission control system leak detected (gross leak)
ExplanationIndicates detection of a gross leak in the evaporative emission control system.
#4
What does the fault code P0302 indicate in a vehicle's engine control system?
Cylinder 2 misfire detected
ExplanationIndicates misfire detected in cylinder 2 of the engine.
#5
What does the fault code P0122 indicate in a vehicle's engine control system?
Throttle position sensor circuit low voltage
ExplanationIndicates low voltage in the throttle position sensor circuit.
#6
What does the fault code P0300 indicate in a vehicle?
Random/multiple cylinder misfire detected
ExplanationIndicates random or multiple cylinder misfire.
#7
Which of the following is NOT a common cause of the fault code P0420?
Faulty fuel injector
ExplanationFaulty fuel injector is not a common cause of P0420.
#8
What does the fault code C0561 indicate in a vehicle's electronic stability control system?
ESC system malfunction
ExplanationIndicates malfunction in the electronic stability control system.
#9
Which of the following is a common cause of the fault code P0171?
Vacuum leak
ExplanationVacuum leak is a common cause of P0171.
#10
What does the fault code P0442 indicate in a vehicle's evaporative emission control system?
Evaporative emission control system leak detected (small leak)
ExplanationIndicates detection of a small leak in the evaporative emission control system.
#11
Which of the following is a common cause of the fault code P0301?
Faulty spark plug
ExplanationFaulty spark plug is a common cause of P0301.
#12
What does the fault code U0100 indicate in a vehicle's transmission control module?
Lost communication with ECM/PCM
ExplanationIndicates lost communication with ECM/PCM in the transmission control module.
#13
When diagnosing fault codes, what does the term 'freeze frame data' refer to?
Data captured at the moment the fault code was set
ExplanationRefers to data captured at the moment the fault code was set for diagnosis.
#14
What does the fault code B0100 indicate in a vehicle's airbag system?
Frontal collision sensor 1 malfunction
ExplanationIndicates malfunction in frontal collision sensor 1 in the airbag system.
#15
When diagnosing fault codes, what does the term 'OBD-II readiness monitors' refer to?
The status of various emissions-related systems
ExplanationRefers to the status of various emissions-related systems during diagnosis.
#16
What does the fault code B0051 indicate in a vehicle's airbag system?
Left side airbag deployment control
ExplanationIndicates left side airbag deployment control in the airbag system.
#17
When diagnosing fault codes, what does the term 'mode 6 data' refer to?
Data related to the vehicle's emissions control systems
ExplanationRefers to data related to the vehicle's emissions control systems during diagnosis.