Fuses
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WARNING: Always disconnect the battery before servicing high current fuses.
WARNING: To reduce risk of electrical shock, always replace the cover to the power distribution box before reconnecting the battery or refilling fluid reservoirs.E252492
The power distribution box is in the engine compartment. It has high-current fuses that protect your vehicle's main electrical systems from overloads.
If the battery has been disconnected and reconnected, some features need to be reset. See Changing the 12V Battery (page 354).
318
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
1 |
20A1 |
Powertrain control module. |
|
2 |
20A1 |
Emissions - malfunction indicator lamp. |
|
3 |
20A1 |
Cooling fan. A/C compressor. Engine brake. |
|
4 |
20A1 |
Noise suppression cap. Mass air flow sensor. Emissions. Glow plugs. Urea. |
|
5 |
15A1 |
Compressed natural gas fuel control module. Fuel sensor. |
|
6 |
— |
Not used. |
|
7 |
— |
Not used. |
|
8 |
— |
Not used. |
|
9 |
— |
Not used. |
|
10 |
15A1 |
Heated exterior mirrors. |
|
11 |
— |
Compressed natural gas relay. |
|
12 |
40A2 |
Heated rear window. |
|
13 |
— |
Not used. |
|
14 |
— |
Powertrain control module relay. |
|
15 |
20A1 |
Horn. |
|
16 |
10A1 |
A/C clutch relay power. |
|
17 |
— |
Rear heated window and heated mirrors relay. |
|
18 |
— |
Trailer park lamp relay. |
|
19 |
— |
Not used. |
319
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
20 |
— |
Supplemental air heater bank #1 relay. |
|
21 |
— |
Not used. |
|
22 |
— |
Not used. |
|
23 |
— |
Not used. |
|
24 |
— |
Cooling fan relay. Supplemental air heater bank #3 relay. |
|
25 |
— |
Glow plug module power relay. |
|
26 |
— |
Not used. |
|
27 |
30A2 |
Trailer tow battery charge relay (if equipped). |
|
28 |
— |
Not used. |
|
29 |
— |
Run-start relay. |
|
30 |
10A1 |
4x4 module. |
|
31 |
5A1 |
Adaptive cruise control. Run-start. |
|
32 |
5A1 |
Anti-lock brake system module. Run-start. |
|
33 |
10A1 |
Powertrain control module - ignition status power run. Run-start. Engine control module. Transmission control module. |
|
34 |
10A1 |
Blind spot information system. Run-start. Front camera. Rear camera. |
|
35 |
— |
Not used. |
|
36 |
— |
Blower motor relay. |
|
37 |
— |
Trailer tow battery charge relay (only on non-trailer brake controller vehicles). |
|
38 |
— |
A/C compressor clutch relay. |
320
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
39 |
— |
Horn relay. |
|
40 |
— |
Supplemental air heater bank #2 relay. |
|
41 |
25A2 |
Glow plugs. |
|
42 |
40A2 |
Trailer tow lighting module (if equipped). |
|
43 |
40A2 |
Front blower motor. |
|
44 |
50A3 |
Voltage quality. Body control module power. |
|
45 |
60A3 |
Active front steering. |
|
46 |
50A3 |
Supplemental air heater bank #2. |
|
47 |
50A3 |
Cooling fan. Supplemental air heater bank #3. |
|
48 |
50A3 |
Body control module run power 1 bus. |
|
49 |
60A3 |
Inverter. |
|
50 |
50A3 |
Body control module run power 2 bus. |
|
51 |
60A3 |
Body control module B+ feed. |
|
52 |
60A3 |
Anti-lock brake system pump. |
|
53 |
50A3 |
Supplemental air heater bank #1. |
|
54 |
30A3 |
Trailer brake control module. |
|
55 |
30A3 |
Climate controlled seat module. |
|
56 |
40A3 |
Auxiliary lighting module. |
|
57 |
30A2 |
Power running boards. |
|
58 |
30A2 |
Compressed natural gas fuel control module relay. |
321
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
59 |
30A2 |
Anti-lock brake system valve. |
|
60 |
— |
Not used. |
|
61 |
30A2 |
Driver power seat. |
|
62 |
20A2 |
Auxiliary power point #1 (instrument panel). |
|
63 |
30A2 |
Starter motor. |
|
64 |
20A2 |
Auxiliary power point #2. |
|
65 |
30A2 |
Trailer tow lighting module (if equipped). |
|
66 |
20A2 |
Auxiliary power point #3 (center console). |
|
67 |
30A2 |
Passenger power seat. |
|
68 |
20A2 |
Auxiliary power point #4 (USB charger, rear center console). |
|
69 |
25A2 |
4x4 module. |
|
70 |
20A2 |
Auxiliary power point #5 (rear center console). |
|
71 |
— |
Not used. |
|
72 |
30A2 |
Trailer tow left hand/right hand stop/turn (if equipped, not present with trailer brake controller). |
|
73 |
— |
Not used. |
|
74 |
— |
Not used. |
|
75 |
30A2 |
Fuel pump. |
|
76 |
— |
Not used. |
|
77 |
30A2 |
Wiper motor. |
|
78 |
— |
Not used. |
322
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
79 |
30A2 |
Power sliding rear window. |
|
80 |
25A1 |
4x4 module. |
|
81 |
10A1 |
4x4 solenoid. |
|
82 |
10A1 |
Power telescoping mirrors. |
|
83 |
20A1 |
Rear heated seats. |
|
84 |
10A1 |
Trailer tow backup lamps (if equipped). |
|
85 |
— |
Not used. |
|
86 |
— |
Not used. |
|
87 |
— |
Not used. |
|
88 |
10A1 |
Multi contour seats. |
|
89 |
— |
Not used. |
|
90 |
10A1 |
Spot light module. |
|
91 |
10A1 |
Upfitter interface module. |
|
92 |
— |
Not used. |
|
93 |
— |
Not used. |
|
94 |
15A1 |
Transmission control module. |
|
95 |
10A1 |
Powertrain control module keep alive power. |
|
96 |
5A1 |
Rain sensor. |
|
97 |
10A1 |
Run/Start control for Auxiliary power point #5 |
323
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
98 |
10A 1 |
Alternator sense. |
|
99 |
30A 1 |
Trailer tow parking lamps. |
1 Micro fuse.
2 M case fuse.
3 J case fuse.
The fuse panel is in the right-hand side of the passenger footwell behind a trim panel. To remove the trim panel, pull it toward you and swing it away from the side. To reinstall it, line up the tabs with the grooves on the panel, and then push it shut.
Note: It may be easier to access the fuse panel if you remove the finish trim piece.
E145984
324
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
1 |
— |
Not used. |
|
2 |
7.5A1 |
Memory seat switch (lumbar power). |
|
3 |
20A1 |
Driver door unlock relay. |
|
4 |
5A1 |
Aftermarket electronic brake controller. Trailer brake controller Brake On/Off. Customer access circuits. |
|
5 |
— |
Not used. |
|
6 |
— |
Not used. |
|
7 |
— |
Not used. |
|
8 |
10A2 |
Driver window switch mirror fold. |
|
9 |
10A2 |
Brake On/Off / Pressure Switch. |
|
10 |
5A1 |
Embedded Modem. |
|
11 |
5A2 |
Combined sense security module. |
|
12 |
7.5A2 |
Front climate control module. |
|
13 |
7.5A2 |
Instrument cluster. Smart data link. Steering column control module. |
|
14 |
10A2 |
Extended power restraints module. |
|
15 |
10A2 |
Smart datalink connector power. |
|
16 |
15A1 |
Tailgate release solenoid. |
|
17 |
5A2 |
Head-up display. |
|
18 |
5A2 |
Push button ignition switch. Ignition switch. Key inhibit. |
|
19 |
7.5A2 |
Transmission control switch (tow/haul). Select Shift switch. |
325
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
20 |
7.5A2 |
Active front steering module. |
|
21 |
5A2 |
Head-up display. Humidity sensor. |
|
22 |
5A2 |
Upfitter switch. Run/Start. PTO relays. |
|
23 |
10A1 |
Accessory delay. Power windows. Moonroof. Power folding mirrors relay. Inverter. Window/moonroof switch illumination. |
|
24 |
20A1 |
Central locking system relay. |
|
25 |
30A1 |
Left-hand front smart window motor. Door zone module. |
|
26 |
30A1 |
Right-hand front smart window motor. Door zone module. |
|
27 |
30A1 |
Moonroof. |
|
28 |
— |
Not used. |
|
29 |
30A1 |
Bang & Olufsen Amplifier. |
|
30 |
— |
Not used. |
|
31 |
15A1 |
Adjustable pedals switch. |
|
32 |
10A1 |
SYNC. GPS module. Display. Radio frequency receiver. |
|
33 |
20A1 |
Radio. |
|
34 |
30A1 |
Run-start relay. |
|
35 |
5A1 |
Extended power restraints module. |
326
|
Fuse or Relay Number |
Fuse Rating |
Protected Component |
|
36 |
15A1 |
Lane keeping system. Automatic high beam control. Auto-dimming mirrors. Rear heated seats. Camera module. |
|
37 |
20A1 |
Heated steering wheel. |
|
38 |
30A3 |
Rear power window switch. |
1 Micro 2 fuse.
2 Micro 3 fuse.
3 Circuit breaker.
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WARNING: Always replace a fuse with one that has the specified amperage rating. Using a fuse with a higher amperage rating can cause severe wire damage and could start a fire.
E217331
If electrical components in the vehicle are not working, a fuse may have blown. Blown fuses are identified by a broken wire within the fuse. Check the appropriate fuses before replacing any electrical components.
327
E207206
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Callout |
Fuse Type |
|
A |
Micro 2 |
|
B |
Micro 3 |
|
C |
Maxi |
|
D |
Mini |
|
E |
M Case |
|
F |
J Case |
|
G |
J Case Low Profile |
328
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