Onboard Diagnostic System; (Obd Ii) Cybersecurity - Jeep WRANGLER 2020 Owner's Manual

136 GETTING TO KNOW YOUR INSTRUMENT PANEL
If any of these systems require service, the OBD
II system will turn on the Malfunction Indicator
Light (MIL). It will also store diagnostic codes
and other information to assist your service
technician in making repairs. Although your
vehicle will usually be drivable and not need
towing, see an authorized dealer for service as
soon as possible.
CAUTION!
Prolonged driving with the MIL on could

cause further damage to the emission
control system. It could also affect fuel
economy and driveability. The vehicle must
be serviced before any emissions tests can
be performed.
If the MIL is flashing while the vehicle is

running, severe catalytic converter damage
and power loss will soon occur. Immediate
service is required.
O D S
NBOARD IAGNOSTIC YSTEM
(OBD II) C
YBERSECURITY
Your vehicle is required to have OBD II and a
connection port to allow access to information
related to the performance of your emissions
controls. Authorized service technicians may
need to access this information to assist with
the diagnosis and service of your vehicle and
emissions system Ú page 208.
WARNING!
ONLY an authorized service technician

should connect equipment to the OBD II
connection port in order to read the VIN,
diagnose, or service your vehicle.
If unauthorized equipment is connected to

the OBD II connection port, such as a
driver-behavior tracking device, it may:
Be possible that vehicle systems,

including safety related systems, could
be impaired or a loss of vehicle control
could occur that may result in an acci-
dent involving serious injury or death.
Access, or allow others to access, infor-

mation stored in your vehicle systems,
including personal information.
(Continued)
WARNING!