2012 CADILLAC ESCALADE ESV check engine light

Black plate (15,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
Keys, Doors, and Windows 2-15vehicle will be discouraged because
of the high number of electrical key
codes.
If the engine does not start and the
security light on the instrument
panel cluster comes on when trying
to start the vehicle, there may be a
problem with the theft-deterrent
system. Turn the ignition off and try
again.
If the engine still does not start, and
the key appears to be undamaged,
try another ignition key. At this time,
you may also want to check the
fuse. See Fuses and Circuit
Breakers on page 10 ‑ 39 . If the
engine still does not start with the
other key, the vehicle needs service.
If the vehicle does start, the first key
may be faulty. See your dealer who
can service the PASS-Key III+ to
have a new key made.
It is possible for the PASS-Key III+
decoder to learn the transponder
value of a new or replacement key. Up to 10 keys may be programmed
for the vehicle. The following
procedure is for programming
additional keys only. If all the
currently programmed keys are lost
or do not operate, you must see
your dealer or a locksmith who can
service PASS-Key III+ to have keys
made and programmed to the
system.
See your dealer or a locksmith who
can service PASS-Key III+ to get a
new key blank cut exactly as the
ignition key that operates the
system.
To program the new additional key:
1. Verify that the new key has a
1stamped on it.
2. Insert the original, already
programmed key in the ignition
and start the engine. If the
engine will not start, see your
dealer for service. 3. After the engine has started, turn
the key to LOCK/OFF, and
remove the key.
4. Insert the new key to be
programmed and turn it to the
ON/RUN position within
five seconds of turning the
ignition to the LOCK/OFF
position in Step 3.
The security light will turn off
once the key has been
programmed.
5. Repeat Steps 1 through 4 if
additional keys are to be
programmed.
If you lose or damage your
PASS-Key III+ key, see your dealer
or a locksmith who can service
PASS-Key III+ to have a new
key made.
Do not leave the key or device that
disarms or deactivates the
theft-deterrent system in the vehicle.

Black plate (10,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
5-10 Instruments and Controls
Ashtrays For vehicles with an ashtray, it is
located in the center console near
the cupholders. Press on the access
door to open it and use the ashtray.
Notice: If papers, pins, or other
flammable items are put in the
ashtray, hot cigarettes or other
smoking materials could ignite
them and possibly damage the
vehicle. Never put flammable
items in the ashtray.
To remove the ashtray, pull it from
the center console. Slide it back in
and push down to be sure it is
secure. Warning Lights,
Gauges, and
Indicators Warning lights and gauges can
signal that something is wrong
before it becomes serious enough
to cause an expensive repair or
replacement. Paying attention to the
warning lights and gauges could
prevent injury.
Warning lights come on when there
could be a problem with a vehicle
function. Some warning lights come
on briefly when the engine is started
to indicate they are working. Gauges can indicate when there
could be a problem with a vehicle
function. Often gauges and warning
lights work together to indicate a
problem with the vehicle.
When one of the warning lights
comes on and stays on while
driving, or when one of the gauges
shows there may be a problem,
check the section that explains what
to do. Follow this manual's advice.
Waiting to do repairs can be costly
and even dangerous.

Black plate (14,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
5-14 Instruments and Controls The front passenger safety belt
reminder light and chime may turn
on if an object is put on the seat
such as a briefcase, handbag,
grocery bag, laptop, or other
electronic device. To turn off the
reminder light and/or chime, remove
the object from the seat or buckle
the safety belt.
Airbag Readiness Light The system checks the airbag's
electrical system for possible
malfunctions. If the light stays on it
indicates there is an electrical
problem. The system check includes
the airbag sensor(s), passenger
sensing system, the pretensioners,
the airbag modules, the wiring, and
the crash sensing and diagnostic
module. For more information on the
airbag system, see Airbag System
on page 3 ‑ 25 . The airbag readiness light comes on
solid for a few seconds when the
engine is started. If the light does
not come on then, have it fixed
immediately.
{ WARNINGIf the airbag readiness light stays
on after the vehicle is started or
comes on while driving, it means
the airbag system might not be
working properly. The airbags in
the vehicle might not inflate in a
crash, or they could even inflate
without a crash. To help avoid
injury, have the vehicle serviced
right away. If there is a problem with the airbag
system, a Driver Information Center
(DIC) message can also come on.
See Airbag System Messages on
page 5 ‑ 35 for more information.
Passenger Airbag Status
Indicator If the vehicle has the airbag status
indicator pictured in the following
illustration, then the vehicle has a
passenger sensing system for the
right front passenger position.
The passenger airbag status
indicator is on the overhead
console. See Passenger Sensing
System on page 3 ‑ 33 for important
safety information.
In addition, if the vehicle has a
passenger sensing system for the
right front passenger position, the
label on the vehicle's sun visors
refers to “ ADVANCED AIRBAGS. ”

Black plate (16,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
5-16 Instruments and Controls
Charging System Light
This light comes on briefly when
the ignition key is turned to START,
but the engine is not running, as a
check to show it is working.
If it does not, have the vehicle
serviced by your dealer.
The light should go out once the
engine starts. If it stays on,
or comes on while driving, there
could be a problem with the
charging system. A charging system
message in the Driver Information
Center (DIC) can also appear.
See Battery Voltage and Charging
Messages on page 5 ‑ 29 for more
information. This light could indicate
that there are problems with a generator drive belt, or that there is
an electrical problem. Have it
checked right away. If the vehicle
must be driven a short distance with
the light on, turn off accessories,
such as the radio and air
conditioner.
If the vehicle is a hybrid, see the
hybrid supplement for more
information.
Malfunction
Indicator Lamp A computer system called OBD II
(On-Board Diagnostics-Second
Generation) monitors the operation
of the vehicle to ensure emissions
are at acceptable levels, to produce
a cleaner environment. This light
comes on when the vehicle is
placed in ON/RUN, as a check to
show it is working. If it does not,
have the vehicle serviced by your
dealer. See Ignition Positions on
page 9 ‑ 22 . If the malfunction indicator lamp
comes on and stays on while the
engine is running, this indicates that
there is an OBD II problem and
service is required.
Malfunctions often are indicated by
the system before any problem is
apparent. Being aware of the light
can prevent more serious damage
to the vehicle. This system assists
the service technician in correctly
diagnosing any malfunction.
Notice: If the vehicle is
continually driven with this light
on, the emission controls might
not work as well, the vehicle fuel
economy might not be as good,
and the engine might not run as
smoothly. This could lead to
costly repairs that might not be
covered by the vehicle warranty.

Black plate (17,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
Instruments and Controls 5-17Notice: Modifications made to the
engine, transmission, exhaust,
intake, or fuel system of the
vehicle or the replacement of
the original tires with other
than those of the same Tire
Performance Criteria (TPC) can
affect the vehicle's emission
controls and can cause this light
to come on. Modifications to
these systems could lead to
costly repairs not covered
by the vehicle warranty.
This could also result in a failure
to pass a required Emission
Inspection/Maintenance test.
See Accessories and
Modifications on page 10 ‑ 3 .
This light comes on during a
malfunction in one of two ways:
Light Flashing: A misfire condition
has been detected. A misfire
increases vehicle emissions and
could damage the emission control
system on the vehicle. Diagnosis
and service might be required. To prevent more serious damage to
the vehicle: .
Reduce vehicle speed. .
Avoid hard accelerations. .
Avoid steep uphill grades. .
If towing a trailer, reduce the
amount of cargo being hauled
as soon as it is possible.
If the light continues to flash, stop
and park the vehicle. Turn the
vehicle off, wait at least 10 seconds,
and restart the engine. If the light is
still flashing, follow the previous
steps and see your dealer for
service as soon as possible.
Light On Steady: An emission
control system malfunction has
been detected on the vehicle.
Diagnosis and service might be
required. The following may correct an
emission system malfunction: .
Check that the fuel cap is fully
installed. See Filling the Tank on
page 9 ‑ 55 . The diagnostic
system can determine if the
fuel cap has been left off or
improperly installed. A loose or
missing fuel cap allows fuel to
evaporate into the atmosphere.
A few driving trips with the cap
properly installed should turn the
light off. .
Check that good quality fuel is
used. Poor fuel quality causes
the engine not to run as
efficiently as designed and may
cause stalling after start-up,
stalling when the vehicle is
changed into gear, misfiring,
hesitation on acceleration,
or stumbling on acceleration.
These conditions might go away
once the engine is warmed up.

Black plate (18,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
5-18 Instruments and Controls If one or more of these conditions
occurs, change the fuel brand used.
It will require at least one full tank of
the proper fuel to turn the light off.
See Recommended Fuel on
page 9 ‑ 52 .
If none of the above have made the
light turn off, your dealer can check
the vehicle. The dealer has the
proper test equipment and
diagnostic tools to fix any
mechanical or electrical problems
that might have developed.
Emissions Inspection and
Maintenance Programs Some local governments may
have programs to inspect the
on-vehicle emission control
equipment. For the inspection,
the emission system test equipment
is connected to the vehicle ’ s Data
Link Connector (DLC). The DLC is under the instrument
panel to the left of the steering
wheel. See your dealer if assistance
is needed.
The vehicle may not pass
inspection if: .
The malfunction indicator lamp
is on with the engine running,
or if the light does not come on
when the ignition is turned to
ON/RUN while the engine is off.
See your dealer for assistance in
verifying proper operation of the
malfunction indicator lamp. .
The OBD II (On-Board
Diagnostics) system determines
that critical emission control
systems have not been
completely diagnosed.
The vehicle would be considered
not ready for inspection. This
can happen if the 12-volt battery
has recently been replaced or
run down. The diagnostic system
is designed to evaluate critical
emission control systems during
normal driving. This can take
several days of routine driving.
If this has been done and the
vehicle still does not pass the
inspection for lack of OBD II
system readiness, your dealer
can prepare the vehicle for
inspection.

Black plate (22,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
5-22 Instruments and Controls
Engine Oil Pressure Light Notice: Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine
oil low can also damage the
engine. The repairs would not be
covered by the vehicle warranty.
Check the oil level as soon as
possible. Add oil if required, but
if the oil level is within the
operating range and the oil
pressure is still low, have the
vehicle serviced. Always follow
the maintenance schedule for
changing engine oil.
This light comes on briefly while
starting the engine. If it does not,
have the vehicle serviced by your
dealer. If the system is working
normally the indicator light then
goes off. If the light comes on and stays on, it
means that oil is not flowing through
the engine properly. The vehicle
could be low on oil and it might
have some other system problem.
If the vehicle is a hybrid, see the
hybrid supplement for more
information.
Security Light
The security light should come on
briefly as the engine is started. If the
system is working normally, the
indicator light turns off. If it does not
come on, have the vehicle serviced
by your dealer.
If the light stays on and the engine
does not start, there could be a
problem with the theft-deterrent
system. This light is also used to indicate
the status of the anti-theft alarm
system when the ignition is turned
off. The light will flash rapidly if the
alarm system is arming and one or
more of the monitored entry points
is not closed. The light will stay on if
the alarm is arming and all entry
points are closed.
For information regarding this light
and the vehicle's security system,
see Anti-theft Alarm System on
page 2 ‑ 13 .
High-Beam On Light
This light comes on when the
high-beam headlamps are in use.
See Headlamp High/Low-Beam
Changer on page 6 ‑ 5 for more
information.

Black plate (32,1)Cadillac Escalade/Escalade ESV Owner Manual - 2012 - 2nd CRC - 11/29/11
5-32 Instruments and Controls
Engine Power Messages ENGINE POWER IS REDUCED This message displays and a chime
sounds when the cooling system
temperature gets too hot and the
engine further enters the engine
coolant protection mode. See
Engine Overheating on page 10 ‑ 19
for further information.
This message also displays when
the engine power is reduced.
Reduced engine power can affect
the vehicle's ability to accelerate.
If this message is on, but there is
no reduction in performance,
proceed to your destination.
The performance may be reduced
the next time the vehicle is driven.
The vehicle may be driven at a
reduced speed while this message
is on, but acceleration and speed
may be reduced. Anytime this
message stays on, the vehicle
should be taken to your dealer for
service as soon as possible. Fuel System Messages FUEL LEVEL LOW This message displays and a
chime sounds if the fuel level is low.
Refuel as soon as possible. See
Fuel Gauge on page 5 ‑ 12 and Fuel
on page 9 ‑ 51 for more information.
TIGHTEN GAS CAP This message may display along
with the check engine light on the
instrument panel cluster if the fuel
cap is not tightened properly.
See Malfunction Indicator Lamp on
page 5 ‑ 16 . Reinstall the fuel cap
fully. See Filling the Tank on
page 9 ‑ 55 . The diagnostic system
can determine if the fuel cap has
been left off or improperly installed.
A loose or missing fuel cap
allows fuel to evaporate into the
atmosphere. A few driving trips with
the cap properly installed should
turn this light and message off. Key and Lock Messages REPLACE BATTERY IN
REMOTE KEY This message displays if a Remote
Keyless Entry (RKE) transmitter
battery is low. The battery needs to
be replaced in the transmitter.
See “ Battery Replacement ” under
Remote Keyless Entry (RKE)
System Operation on page 2 ‑ 3 .
Lamp Messages SERVICE LEFT HEADLAMP
ASSEMBLY On some models, this message
will be displayed when the left
headlamp is out and needs to be
serviced. See “ LED Lighting ” in
LED Lighting on page 10 ‑ 36 for
more information.