Loose Fuel Filler Cap Message; EMISSIONS INSPECTION AND MAINTENANCE PROGRAMS; ONLY an authorized service technician should con-- Page 202

2018 Jeep Wrangler JK Owner Manual

Table of Contents

GETTING TO KNOW YOUR VEHICLE
GETTING TO KNOW YOUR INSTRUMENT PANEL
SAFETY
OCCUPANT RESTRAINT SYSTEMS
STARTING AND OPERATING
SERVICING AND MAINTENANCE
MULTIMEDIA
UCONNECT PHONE — IF EQUIPPED
background image

WARNING!

ONLY an authorized service technician should con-
nect 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
accident involving serious injury or death.

Access, or allow others to access, information
stored in your vehicle systems, including personal
information.

For further information, refer to “Cybersecurity” in “Mul-

timedia”.

Loose Fuel Filler Cap Message

After fuel is added, the vehicle diagnostic system can

determine if the fuel filler cap is possibly loose, improperly

installed, or damaged. A “gASCAP” message will be

displayed in the odometer. Tighten the gas cap until a

clicking

sound is heard. This is an indication that the gas

cap is properly tightened. Push the odometer reset button

to turn the message off. If the problem persists, the

message will appear the next time the vehicle is started.

This might indicate a damaged cap. If the problem is

detected twice in a row, the system will turn on the MIL.

Resolving the problem will turn the MIL off.

EMISSIONS INSPECTION AND MAINTENANCE
PROGRAMS

In some localities, it may be a legal requirement to pass an

inspection of your vehicle’s emissions control system.

Failure to pass could prevent vehicle registration.

For states that require an Inspection and Main-

tenance (I/M), this check verifies the “Malfunc-

tion Indicator Light (MIL)” is functioning and is

not on when the engine is running, and that the

OBD II system is ready for testing.
Normally, the OBD II system will be ready. The OBD II

system may

not

be ready if your vehicle was recently

serviced, recently had a dead battery or a battery replace-

ment. If the OBD II system should be determined not ready

for the I/M test, your vehicle may fail the test.

200

GETTING TO KNOW YOUR INSTRUMENT PANEL

Detailed Information for 2018 Jeep Wrangler JK Owner Manual

Lists of information found in 2018 Jeep Wrangler JK Owner Manual - Page 202

  • ONLY an authorized service technician should con- nect 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 accident involving serious injury or death.
  • Access, or allow others to access, information stored in your vehicle systems, including personal information.

Related Documents for 2018 Jeep Wrangler JK Owner Manual