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Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Vehicle Care 247
The vehicle may not be equippedwith all of the fuses, relays, andfeatures shown.
Fuses Usage
1ABSmotor
2ABSmodule
Fuses Usage
3Righttrailerstoplamp/Turnlamp
4–
5–
6Fuelsystemcontrolmodule/Ignition
7Bodycontrolmodule 5
8Bodycontrolmodule 7
9Bodycontrolmodule 4
10 Instrument cluster
11 Tr a i l e r w i r i n g
12 Interior rear visioncamera module
13–
14 Windshield washer
16 Horn
17 Transmission
18 A/C
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Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
248 Vehicle Care
FusesUsage
19 Engine controlmodule battery
20–
21 Left trailerstoplamp/Turnlamp
22–
23–
24 Fuel pump
25 Auxiliary poweroutlet
26 Body controlmodule 3
27 Special equipmentoption
28 Airbag
29 Steering wheelsensor
30 Engine controlmodule/Ignition/Glow plug module
31 Transmissioncontrol module/Ignition
FusesUsage
32 Transmissioncontrol modulebattery
33 Rear parking aidmodule
34–
35 Fuel operatedheater module
36 Fuel system controlmodule battery
41–
42 Trailer wiring
43 EV fan clutch
44 Starter solenoid
45 Engine controlmodule/Powertrain
46–
47 Cooling fan–low
51 Left high-beamheadlamp
52 Right high-beamheadlamp
FusesUsage
53 Left low-beamheadlamp
54 Right low-beamheadlamp
55 Wipers
56 Canister ventsolenoid
58 Body controlmodule 2
59 Body controlmodule 1
61–
62 O2 sensor 2/EV fan(diesel)
63–
64 Mass air flow/Canister vent
65 Ignition/Injectors–odd
66 Daytime runninglamps 2(LOLVL-V22) (ifequipped)
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Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Vehicle Care 249
FusesUsage
67 Daytime runninglamps 1 (UPLVL+V22) (if equipped)
68 Auxiliary stoplamps
69 Trailer stoplamps
70–
71 Fuel heater/Flexfuel sensor
72 Body controlmodule 6
73 Lighter/Data linkconnector
74 Front blower
75 Fuel injectors
76–
77 O2 sensor 2
78 Engine controlmodule/Powertrain
79 Ignition/Injectors–even
RelaysUsage
15 Run/Crank
37–
38 Fuel pump
39 Crank
40 A/C
48 EV fan clutch
49 Powertrain
50–
57 Cooling fan–low
60 Fan control
Floor Console Fuse Block
The floor console fuse block isunder the driver seat.
Page 251 of 346
Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
250 Vehicle Care
The vehicle may not be equippedwith all of the fuses, relays, andfeatures shown.
Mini-Fuse Usage
F1–
Mini-Fuse Usage
F2 Steering wheelsensor
F3 Auxiliary parkinglamps (cut-away)
F4 Front parkinglamps
F5 Trailer parkinglamps
F6 Upfitter/Parkinglamps
F7 Right rearparking lamp
F8 Left rearparking lamp
F9 Exterior rearviewmirror switch
F10 Airbag/Automaticoccupant sensing
F11 OnStar (ifequipped)
F12–
F13 HVAC 2
F14 HVAC 1
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Vehicle Care 251
Mini-Fuse Usage
F15–
F16 Upfitter 1 (ifequipped)
F17 Exterior rearviewheated mirrors
F18 Rear windowdefogger
F19 Compass
F20 Radio/Chime/SiriusXM satelliteradio (if equipped)
F21 Remote functionactuator/Tirepressure monitor
F22 Ignition switch/Discrete logicignitionsensor (PK3)
F23 Instrument cluster
F24–
F25 HVAC
F26 Auxiliary/Trailerreverse lamps
Mini-Fuse Usage
F27 Reverse lamps
F28 Upfitter 2/Readinglamps (if equipped)
F29 Rear blower
F30 Upfitter/Courtesylamps
F31 Front door lock
F32 Rear door lock
F33 Cargo door unlock
F34 Passenger doorunlock
F35 Rear passengerdoor unlock
F36 Driver door lock
F37–
F38–
Relays Usage
K1 Run
K2–
K3 Parking lamps
K4 Upfitter 2
Relays Usage
K5 Rear defogger
K6 Retainedaccessory power
CB1 Power seats
CB2 Power windows
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Chevrolet Express Owner Manual (GMNA-Localizing-U.S./Canada/Mexico-9967827) - 2017 - crc - 5/2/16
Index 339
E
E85 or FlexFuel . . . . . . . . . . . . . . . . 199
Electrical Equipment,
Add-On . . . . . . . . . . . . . . . . . . . . . . . 212
Electrical System
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 246
Floor Console Fuse Block . . . . 249
Fuses and Circuit Breakers . . . 246
Overload . . . . . . . . . . . . . . . . . . . . . 245
Emergency
OnStar®...................... 327
Engine
Air Cleaner/Filter . . . . . . . . . . . . . 225
Check and Service Engine
Soon Light . . . . . . . . . . . . . . . . . . 102
Compartment Overview . . . . . . . 218
Coolant . . . . . . . . . . . . . . . . . . . . . . . 227
Coolant Temperature Gauge . . . . 98
Cooling System . . . . . . . . . . . . . . . 226
Cooling System Messages . . . .113
Drive Belt Routing . . . . . . . . . . . . .311
Exhaust . . . . . . . . . . . . . . . . . . . . . . 182
Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . 231
Heater . . . . . . . . . . . . . . . . . . . . . . . . 179
Oil Life System . . . . . . . . . . . . . . . 221
Oil Messages . . . . . . . . . . . . . . . . . .114
Oil Pressure Gauge . . . . . . . . . . . . 97
Engine (cont'd)
Oil Pressure Light . . . . . . . . . . . . 106
Overheating . . . . . . . . . . . . . . . . . . 230
Power Messages . . . . . . . . . . . . . .114
Running While Parked . . . . . . . . 183
Starting . . . . . . . . . . . . . . . . . . . . . . . 177
Enhanced Technology Glass . . . . 38
Entry/Exit Lighting . . . . . . . . . . . . . . 130
Equipment, Towing . . . . . . . . . . . . . 210
Event Data Recorders . . . . . . . . . . 324
Extender, Safety Belt . . . . . . . . . . . . 53
Exterior Lamp Controls . . . . . . . . . 125
Exterior Lamps Off Reminder . . . 126
F
Fan
Engine . . . . . . . . . . . . . . . . . . . . . . . . 231
Fast Idle System . . . . . . . . . . . . . . . . 178
Filter,
Engine Air Cleaner . . . . . . . . . . . 225
Flash-to-Pass . . . . . . . . . . . . . . . . . . . 126
Flashers, Hazard Warning . . . . . . 128
Flat Tire . . . . . . . . . . . . . . . . . . . . . . . . 273
Changing . . . . . . . . . . . . . . . . . . . . . 274
FlexFuel
E85 . . . . . . . . . . . . . . . . . . . . . . . . . . . 199
Floor Mats . . . . . . . . . . . . . . . . . . . . . . 295
Fluid
Automatic Transmission . . . . . . 222
Fluid (cont'd)
Brakes . . . . . . . . . . . . . . . . . . . . . . . . 234
Power Steering . . . . . . . . . . . . . . . 232
Washer . . . . . . . . . . . . . . . . . . . . . . . 233
Frequency Statement
Radio . . . . . . . . . . . . . . . . . . . . . . . . . 322
Front Seats
Adjustment . . . . . . . . . . . . . . . . . . . . . 41
Front Storage . . . . . . . . . . . . . . . . . . . . 85
Front Turn Signal
Bulb Replacement . . . . . . . . . . . . 242
Fuel . . . . . . . . . . . . . . . . . . . . . . . . . . . . 198
Additives . . . . . . . . . . . . . . . . . . . . . 199
Economy Driving . . . . . . . . . . . . . . . 22
Filling a Portable Fuel
Container . . . . . . . . . . . . . . . . . . . 202
Filling the Tank . . . . . . . . . . . . . . . 200
Foreign Countries . . . . . . . . . . . . 199
Gauge . . . . . . . . . . . . . . . . . . . . . . . . . . 96
Low Fuel Warning Light . . . . . . . 107
Requirements, California . . . . . 199
System Messages . . . . . . . . . . . . .115
Full-Size Spare Tire . . . . . . . . . . . . 282
Fuses
Engine Compartment Fuse
Block . . . . . . . . . . . . . . . . . . . . . . . . 246
Floor Console Fuse Block . . . . 249
Fuses and Circuit Breakers . . . 246