The underhood fuse block is located in the engine compartment on the driver's side of the vehicle, near the battery. Lift the cover for access to the fuse/relay block.
To remove fuses, hold the end of the fuse between your thumb and index finger and pull straight out.
See Engine Compartment Overview for more information on its location.
*1 -- Gasoline Engine and Fuel Injection Rail #2.
*2 -- Gasoline Engine and Fuel Injection Rail #1.
*3 -- Gasoline Engine; Oxygen Sensors.
*4 -- Gasoline Engine; Oxygen Sensors.
*5 -- PCM Ignition
Fuses | Usage |
|---|---|
GLOW PLUG | Not Used |
CUST FEED | Accessory Power |
HYBRID | Not Used |
STUD #1 | Auxiliary Power |
MBEC | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
BLOWER | Front Climate Control Fan |
LBEC | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet--Rear Cargo Area and Instrument Panel |
STUD 2 | Accessory Power/Trailer Wiring Brake Feed |
ABS | Anti-Lock Brakes |
VSES/ECAS | Vehicle Stability |
IGN A | Ignition Power |
IGN B | Ignition Power |
LBEC 1 | Left Bussed Electrical Center, Left Doors, Truck Body Controller, Flasher Module |
TRL PARK | Parking Lamps Trailer Wiring |
RR PARK | Right Rear Parking and Sidemarker Lamps |
LR PARK | Left Rear Parking and Sidemarker Lamps |
PARK LP | Parking Lamps Relay |
STRTR | Starter Relay |
INTPARK | Interior Lamps |
STOP LP | Stoplamps |
TBC BATT | Truck Body Controller Battery Feed |
S/ROOF | Sunroof |
SEO B2 | Off-Road Lamps |
4WS | Vent Solenoid Canister/Quadrasteer Module Power (If Equipped) |
RR HVAC | Rear Climate Control |
AUX PWR | Auxiliary Power Outlet -- Console |
IGN 1 | Ignition Relay |
PCM 1 | Powertrain Control Module |
ETC/ECM | Electronic Throttle Control, Electronic Brake Controller |
INJ 1 | Ignition Coil, Fuel Injectors--Bank 1 |
INJ 2 | Ignition Coil, Fuel Injectors--Bank 2 |
IGN E | Instrument Panel Cluster, Air Conditioning Relay, Turn Signal/Hazard Switch, Starter Relay |
RTD | Ride Control |
TRL B/U | Backup Lamps Trailer Wiring |
PCM B | Powertrain Control Module, Fuel Pump |
F/PMP | Fuel Pump (Relay) |
O2A | Oxygen Sensors |
B/U LP | Back-up Lamps, Automatic Transmission Shift Lock Control System |
RR DEFOG | Rear Window Defogger |
HDLP-HI | Headlamp High Beam Relay |
PRIME | Not Used |
O2B | Oxygen Sensors |
AIRBAG | Supplemental Inflatable Restraint System |
FRT PARK | Front Parking Lamps, Sidemarker Lamps |
DRL | Daytime Running Lamps Relay |
SEO IGN | Rear Defog Relay |
TBC IGN1 | Truck Body Controller Ignition |
HI HDLP-LT | Driver's Side High Beam Headlamp |
LH HID | Left Hand High Intensity Discharge Lamps |
DRL | Daytime Running Lamps |
RVC | Regulated Voltage Control |
IPC/DIC | Instrument Panel Cluster/Driver Information Center |
HVAC/ECAS | Climate Control Controller |
CIG LTR | Cigarette Lighter |
HI HDLP-RT | Passenger's Side High Beam Headlamp |
HDLP-LOW | Headlamp Low Beam Relay |
A/C COMP | Air Conditioning Compressor Relay |
A/C COMP | Air Conditioning Compressor |
RR WPR | Not Used |
RADIO | Audio System |
SEO B1 | Mid Bussed Electrical Center, HomeLink, Rear Heated Seats |
LO HDLP-LT | Driver's Side Headlamp Low Beam |
BTSI | Brake Transmission Shift Interlock System |
CRNK | Starting System |
LO HDLP-RT | Passenger's Side Headlamp Low Beam |
FOG LP | Fog Lamp Relay |
FOG LP | Fog Lamps |
HORN | Horn Relay |
W/S WASH | Not Used |
W/S WASH | Not Used |
INFO | OnStar®/Rear Seat Entertainment |
RADIO AMP | Radio Amplifier |
RH HID | Right Hand High Intensity Discharge Lamp |
HORN | Horn Fuse |
EAP | Electric Adjustable Pedals |
TREC | All-Wheel Drive Module (If Equipped) |
SBA | Supplemental Brake Assist |
Auxiliary Electric Cooling Fan Fuse Block
The auxiliary electric cooling fan fuse block is located in the engine compartment on the driver's side of the vehicle next to the underhood fuse block.
Lift the cover for access to the fuse/relay block.
Fuses | Usage |
|---|---|
COOL/FAN | Cooling Fan |
COOL/FAN | Cooling Fan Relay Fuse |
COOL/FAN | Cooling Fan Fuse |
Relays | Usage |
|---|---|
COOL/FAN 1 | Cooling Fan Relay 1 |
COOL/FAN 3 | Cooling Fan Relay 3 |
COOL/FAN 2 | Cooling Fan Relay 2 |
