RAM Commercial ProMaster 2024, Owner'S Manual, Page: 87 / 284

Active Speed Limiter Ready Indicator
Light — If Equipped With A Premium
Instrument Cluster
This light will illuminate when the Active
Speed Limiter has been turned on, but not
set
page 98.
Speed Warning Indicator Light —
If Equipped
When Set Speed Warning is turned on, the
speed warning telltale will illuminate in the
instrument cluster with a number matching
the set speed. When the set speed is
exceeded, a single chime will sound along with pop-up
message of speed warning exceeded.
Speed Warning can be turned on and off in the instru-
ment cluster display
page 69.
NOTE:
The number “55” is only an example of a speed that
can be set.
ONBOARD DIAGNOSTIC SYSTEM — OBD II
Your vehicle is equipped with a sophisticated Onboard
Diagnostic system called OBD II. This system monitors
the performance of the emissions, engine, and trans-
mission control systems. When these systems are oper-
ating properly, your vehicle will provide excellent perfor-
mance and fuel economy, as well as engine emissions
well within current government regulations.
If any of these systems require service, the OBD II sys-
tem 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 fur-
ther 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.
ONBOARD DIAGNOSTIC SYSTEM
(OBD II) CYBERSECURITY
Your vehicle is required to have an OBD II and a connec-
tion port to allow access to information related to the
performance of your emissions controls. Authorized
service technicians may need to access this informa-
tion to assist with the diagnosis and service of your
vehicle and emissions system
page 136.
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.
(Continued)
WARNING!
○
Access, or allow others to access, information
stored in your vehicle systems, including per-
sonal information.
EMISSIONS INSPECTION AND
MAINTENANCE PROGRAMS
In some localities, it may be a legal requirement to pass
an inspection of your vehicle's emissions control sys-
tem. 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.
The OBD II system may
not
be ready if your vehicle was
recently serviced, recently had a depleted battery or a
battery replacement. If the OBD II system should be
determined not ready for the I/M test, your vehicle may
fail the test.
Your vehicle has a simple ignition actuated test, which
you can use prior to going to the test station. To check if
your vehicle's OBD II system is ready, you must do the
following:
1. Switch the ignition to the ON position, but do not
crank or start the engine.
NOTE:
If you crank or start the engine, you will have to start
this test over.
GETTING TO KNOW YOUR INSTRUMENT PANEL 85
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