The underhood fuse block in the engine compartment is located on the driver's side of the vehicle near the battery. Lift the cover for access to the fuse/relay block.
To remove fuses if you don't have a fuse extractor, 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.
Fuses | Usage |
|---|---|
GLOW PLUG | Not Used |
CUST FEED | Gasoline Accessory Power |
HYBRID | Hybrid |
STUD [num ]1 | Accessory Power/Trailer Wiring |
MBEC 1 | Mid Bussed Electrical Center Power Feed, Front Seats, Right Doors |
BLOWER | Front Climate Control Fan |
LBEC 2 | Left Bussed Electrical Center, Door Modules, Door Locks, Auxiliary Power Outlet--Rear Cargo Area and Instrument Panel |
STUD [num ]2 | Accessory Power/Trailer Wiring Brake Feed |
ABS | Anti-Lock Brakes |
VSES/ECAS | Electronically Controlled Air Suspension |
IGN A | Ignition Switch |
IGN B | Ignition Switch |
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 | Roof Marker Lamps |
STOP LP | Stoplamps |
TBC BATT | Truck Body Controller Battery Feed |
S/ROOF | Sunroof |
SEO B2 | Off-Road Lamps |
4WS | Vent Solenoid Canister |
RR HVAC | Not Used |
AUX PWR | Auxiliary Power Outlet -- Console |
IGN 1 | PCM Ignition |
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, Electronic Brake Controller TC2 Mode Switch |
RTD | Electronic Brake Controller Battery Feed |
TRL B/U | Backup Lamps Trailer Wiring |
PCM B | Powertrain Control Module, Fuel Pump |
F/PMP | Fuel Pump (Relay) |
02A | 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 | High Beam Headlamp-Left |
LH HID | Not Used |
DRL | Daytime Running Lamps |
RVC | Regulated Voltage Control |
IPC/DIC | Instrument Panel Cluster/Driver Information Center |
HVAC/ECAS | Climate Control Controller/Electronically Controlled Air Suspension |
CIG LTR | Cigarette Lighter |
HI HDLP-RT | High Beam Headlamp-Right |
HDLP-LOW | Headlamp Low Beam Relay |
A/C COMP | Air Conditioning Compressor Relay |
A/C COMP | Air Conditioning Compressor |
RR WPR | Rear Wiper/Washer |
RADIO | Audio System |
SEO B1 | Mid Bussed Electrical Center, HomeLink, Rear Heated Seats |
LO HDLP-LT | Headlamp Low Beam-Left |
BTSI | Brake Transmission Shift Interlock System |
CRNK | Starting System |
LO HDLP-RT | Headlamp Low Beam-Right |
FOG LP | Not Used |
FOG LP | Not Used |
HORN | Horn Relay |
W/S WASH | Windshield and Rear Window Washer Pump Relay |
W/S WASH | Windshield and Rear Window Washer Pump |
INFO | OnStar® |
RADIO AMP | Radio Amplifier |
RH HID | Not Used |
HORN | Horn |
EAP | Not Used |
TREC | All-Wheel Drive Module |
SBA | Not Used |
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 |
