2011 Chevrolet Silverado Fuse Box Diagrams
Find the right fuse for you 2011 Chevrolet Silverado using these Fuse Box Diagrams
2011 Chevrolet Silverado Underhood Fuse Box Diagram for GAS Engines
1 TRLR STOP RT Fuse 10A Trailer Wiring, Auxilliary Body Control Module (XBCM) (EXP)
2 ESC/ALC EXH Fuse 30A Not Used
3 TRLR STOP LT Fuse 10A Trailer Wiring, Auxilliary Body Control Module (XBCM) (EXP)
4 ENG Fuse 15A Central Sequential Fuel Injection (Central SFI) (LU3), Evaporative Emissions (EVAP) Canister Purge Solenoid Valve (except LU3), Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (except LU3), Valve Lifter Oil Manifold (VLOM) Assembly (LMG, LC9, LZ1 or
L96), FAN LO Relay (HP2)
5 ECM/THROT CONT Fuse 15A Engine Control Module (ECM), Evaporative Emission (EVAP) Canister Purse Solenoid Valve (LU3) Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor (LU3)
6 ITBC Fuse 15A Integrated Trailer Brake Control Module (JL1)
7 FRT WASH Fuse 15A Windshield Washer Fluid Pump
8 O2-B SNSR Fuse 10A Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 9 ABS 2 Fuse 25A Electronic Brake Control Module (EBCM)
10 TRLR BCK/UP Fuse 10A Trailer Wiring, Backup Alarm (8S3)
11 LO HDLP-LT Fuse 20A Headlamp – Left Low Beam
12 ECM-BATT Fuse 10A Engine Control Module (ECM)
13 INJ-B Fuse 20A Fuel Injector 2, Fuel Injector 4, Fuel Injector 6, Fuel Injector 8, Ignition Coil 2, Ignition Coil 4, Ignition Coil 6, Ignition Coil 8 (except LU3)
14 TCM-BATT Fuse 15A Transmission Control Module (TCM) (M30), Evaporative Emission (EVAP) Canister Vent Solenoid Valve, Automatic Transmission (MYC, MYD or M99)
15 VEH BCK/UP Fuse 10A Backup Lamp – Left, Backup Lamp – Right
16 LO HDLP-RT Fuse 20A Headlamp – Right Low Beam
17 A/C CMPRSR Fuse 10A A/C Compressor Clutch
18 O2-A SNSR Fuse 10A Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1, Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
19 TRANS IGN 1 Fuse 15A Transmission Control Module (TCM) (M30), 1-2 Shift Solenoid (SS) Valve, 2-3 Shift Solenoid (SS) Valve, 3-2 Shift Solenoid (SS) Valve (M30), Torque Converter Clutch (TCC) Solenoid Valve (M30), Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve, Input Speed Sensor (ISS), Front Drive Axle Actuator, Automatic Transmission (MYC, MYD or M99), Drive Motor Generator Power inverter module (HP2)
20 FUEL PUMP Fuse 25A Fuel Pump and Sender Assembly – Front, Fuel Pump
21 FSCM Fuse 25A Fuel System Control Module (FSCM) (Gas except LU3 or LY6)
22 HDLP WASH Fuse 20A Not Used
23 REAR WASH Fuse 15A Not Used
24 INJ-A Fuse 20A Fuel Injector 1 (except LU3), Fuel Injector 3 (except LU3), Fuel Injector 5 (except LU3), Fuel Injector 7 (except LU3), Ignition Coil 1 (except LU3), Ignition Coil 3 (except LU3), Ignition Coil 5 (except LU3), Ignition Coil 7 (except LU3), Ignition Control Module (ICM) (LU3)
25 TRLR PRK Fuse 15A Trailer Wiring
26 LT PRK Fuse 15A License Lamp – Left, Marker Lamp – LF (Z88), Park/Turn Signal Lamp – LF Upper, Park/Turn Signal Lamp – LF Lower, Marker Lamp – LR (Z88), Tail/Stop and Turn Signal Lamp – Lower Left, Tail/Stop and Turn Signal Lamp – Upper Left, Clearance Lamp – LF (RO5),
Clearance Lamp – LR (R05), Clearance Lamp (U01), Roof Marker Lamp – Left (U01), Roof Marker Lamp – Right (U01) Marker Lamp – RF (Z88), Park/Turn Signal Lamp – RF Upper, Park/Turn Signal Lamp – RF Lower, Tail/Stop and Turn Signal Lamp – Lower Right, Tail/Stop and
27 RT PRK Fuse 15A Turn Signal Lamp – Lower Right, Marker Lamp – RR (Z88), License Lamp – Right, Clearance Lamp – RF (R05), Clearance Lamp – RR (R05), Marker Lamp – Tailgate
28 FOG LAMP Fuse 15A Fog Lamp – Left Front (T96), Fog Lamp – Right Front (T96)
29 HORN Fuse 15A Horn – Left, Horn – Right (7Z1 or YE9)
30 HI HEADLAMP-RT Fuse 10A Headlamp – Right High Beam
31 DRL Fuse 15A DRL 2 Fuse
32 HI HEADLAMP-LT Fuse 10A Headlamp – Left High Beam
33 DRL 2 Fuse 15A LO HDLP – LT Fuse, LO HDLP – RT Fuse
34 S/ROOF Fuse 30A Sunroof Module (CF5), Roof Beacon Relay (TRW)
35 DLIS Fuse 2A Ignition Switch, Theft Deterrent Module (TDM)
36 FRT WPR Fuse 25A WIPER CONTROL PCB Relay
37 SEO B2 Fuse 30A Emergency Vehicle Roof Lamp Relay (5Y0)
38 EAP Fuse 15A PARK ENABLE PCB Relay, ELECTRONIC ADJUSTABLE PEDALS PCB Relay
39 HVAC BATT Fuse 10A HVAC Control Module
40 AIRBAG IGN Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint I/P Module Indicator, Inflatable Restraint I/P Module Disable Switch (C99)
41 AMP Fuse 30A Audio Amplifier (UQA)
42 RDO Fuse 15A Digital Radio Receiver (U2K), Radio, Rear Seat Audio (RSA) Control (UK6), Chime Module (UL5)
43 MISC IGN Fuse 10A Auxiliary Body Control Module (XBCM) (EXP), Stop Lamp Switch, Transfer Case Shift Control Module (NQF or NQH), Trailer Brake Control Module (JL1), Serial Data Gateway (SDG) Module (HP2)
44 L/GATE RELSE Fuse 15A Not Used
45 AIRBAG BATT Fuse 15A Inflatable Restraint Passenger Presence System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Vehicle Rollover Sensor (ASF)
46 IPC Fuse 10A Body Control Module (BCM), Instrument Panel Cluster (IPC)
47 EXP/PTO Fuse 15A Auxiliary Body Control Module (XBCM) (EXP)/Power Take Off Relay (PTO)
48 AUX HVAC-IGN Fuse 10A Instrument Panel Cluster (IPC), Inside Rearview Mirror (ISRVM), Heated Steering Wheel Module Control (KA9)
49 CHMSL Fuse 15A Center High Mounted Stop Lamp (CHMSL)
50 REAR DEFOG Fuse 30A Rear Window Defogger Grid
51 HTD MIR Fuse 15A Outside Rearview Mirror – Driver (DL8 or DPN without AN3 or DL3), Outside Rearview Mirror – Passenger (DL8 or DPN without AN3 or DL3)
52 SEO B1 Fuse 15A Auxiliary Body Control Module (XBCM) (EXP), Security Indicator Lamp, Vehicle Inclination Sensor, Vehicle Shock Sensor
53 LTR Fuse 20A Accessory Power Outlet – I/P 1, Data Link Connector (DLC)
54 SEO/ALC Fuse 10A Not Used
55 HVAC-IGN Fuse 10A Air Temperature Actuator – Left (CJ2), Air Temperature Actuator – Right (CJ2), Air Temperature Actuator (C67), Mode Actuator, Recirculation Actuator (CJ2 or C67)
56 ECM-IGN Fuse 15A Engine Control Module (ECM), Fuel Pump Relay – Secondary (LY6 without NQZ), Fuel Pump Flow Control Module (Gas except LU3 or LY6), Electronic Brake Control Module (EBCM) (HP2)
57 FAN-1 Fuse 40A FAN LO Relay
58 ALC/COMP Fuse 40A Not Used
59 HEAVY DUTY ABS Fuse 60A Electronic Brake Control Module (EBCM)
60 FAN-2 Fuse 40A FAN HI Relay
61 ABS-1 Fuse 40A Electronic Brake Control Module (EBCM)
62 STRTR Fuse 40A Starter
63 STUD-2 Fuse 30A Blunt Cut Wire, Integrated Trailer Brake Control (JL1)
64 LBEC1 Fuse 60A BCM Fuse, COOLED SEATS Fuse, DDM Fuse, DIM Fuse, DSM Fuse, REAR HVAC Fuse, RT STOP TRN Fuse, WSW PUMP Fuse, CTSY Fuse, PWR MIR Fuse
65 ELEC RUN BOARD Fuse 30A Not Used
66 WSW/HTR Fuse 60A Not Used
67 TREC Fuse 30A Transfer Case Shift Control Module (NQF or NQH), Transfer Case Encoder Motor (NQH)
68 STUD-1 Fuse 40A Trailer Wiring
69 MBEC1 Fuse 60A DRIVER SEAT 2 Circuit Breaker, PASS SEAT 1 Circuit Breaker, PWR REAR WNDW Circuit Breaker, RT DOORS Circuit Breaker
70 HVAC BLWR Fuse 40A Blower Motor Control Module
71 LGM Fuse 30A Not Used
72 LBEC2 Fuse 60A AUX PWR 2 Fuse, REAR WPR Fuse, PDM Fuse, AUX PWR Fuse, REAR SEAT Fuse, STOP LAMPS Fuse, IS LPS Fuse, LT STOP TQN Fuse, OBS DET Fuse, LT DR Circuit Breaker, REAR SEAT ENT Fuse, INFO Fuse, LOCK/UNLCOK PCB Relay
A/C CMPRSR Relay – A/C CMPRSR Fuse
FAN CNTRL Relay – Cooling Fan Control
FAN HI Relay – Cooling Fan – Right
FAN LO Relay – Cooling Fan – Left
FOG LAMP Relay – FOG LAMP Fuse
FUEL PMP Relay – FUEL PUMP Fuse
HDLP LO/HID Relay – LO HDLP – LT Fuse, LO HDLP – RT Fuse, DRL 2 Fuse
PRK LAMP Relay – LT PRK Fuse, RT PRK Fuse, TRLR PRK Fuse
PWR/TRN Relay – ECM/THROT CONT Fuse, ENG Fuse, INJ-A Fuse, INJ-B Fuse, O2-A SNSR Fuse, O2-B SNSR Fuse, FAN CNRTL PCB Relay, FAN HI PCB elay, FAN LO PCB Relay
REAR DEFOG Relay – REAR DEFOG Fuse, HTD MIR Fuse
RUN/CRNK Relay – AIRBAG IGN Fuse, AUX HVAC-IGN Fuse, HVACIGN Fuse, ECM-IGN Fuse, MISC IGN Fuse, SEO/ALC Fuse, TRANS IGN 1 Fuse
STRTR Relay – STRTR Fuse
NOTE: The relays listed below are not serviceable. They are embedded on the Printed Circuit Board (PCB) relays and are internal to the block.
BCK/UP LAMP PCB Relay – VEH BCK/UP Fuse, TRLR BCK/UP Fuse
CHMSL Relay – CHMSL Fuse
DRL PCB Relay – DRL Fuse
FRT WASH PCB Relay – FRT WASH Fuse
HI BEAM PCB Relay – HI HEADLAMP – LT Fuse, HI HEADLAMP – RT Fuse
HORN PCB Relay – HORN Fuse
L/GATE PCB Relay – L/GATE RELSE Fuse
LOCK PCB Relay – LCK 2 Fuse (YE9)
LOCK/UNLOCK PCB Relay – LCK 1 Fuse, LCK 2 Fuse, UNLCK 1 Fuse, UNLCK 2 Fuse (AU3 without YE9)
REAR WASH PCB Relay – REAR WASH Fuse
TRLR LT STOP/TURN PCB Relay – TRLR STOP LT Fuse
TRLR RT STOP/TURN PCB Relay – TRLR STOP RT Fuse
UNLOCK PCB Relay – DRV UNLCK Fuse, UNLCK 1 Fuse, UNLCK 2 Fuse
WIPER CONTROL PCB Relay – Windshield Wiper Motor
WIPER SPEED PCB Relay – Windshield Wiper Motor
2011 Chevrolet Silverado Underhood Fuse Box Diagram for DIESEL Engines
1 ESC/ALC EXH Fuse 30A Not Used
2 TRLR STOP LT Fuse 10A Trailer Wiring, Auxiliary Body Control Module
(XBCM) (EXP)
3 ENG Fuse 15A Mass Air Flow (MAF)/Intake Air Temperature (IAT)
Sensor
4 TRLR STOP RT Fuse 10A Trailer Wiring, Auxiliary Body Control Module(XBCM) (EXP)
5 FRT WASH Fuse 15A Windshield Washer Fluid Pump
6 FUEL HTR Fuse 15A Glow Plug Control Module (GPCM), Fuel Heater
7 TCM-BATT Fuse 15A Transmission Control Module (TCM)
8 ABS 2 Fuse 25A Electronic Brake Control Module (EBCM)
9 TRLR BCK/UP Fuse 10A Trailer Wiring, Backup Alarm (8S3)
10 LO HDLP-LT Fuse 20A Headlamp – Left Low Beam
11 ECM-BATT Fuse 10A Engine Control Module (ECM)
12 DSL ECM Fuse 30A Engine Control Module (ECM)
13 TRANS IGN 1 Fuse 15A Transmission Control Module (TCM), Front Drive Axle
Actuator (NQF or NQG)
14 VEH BCK/UP Fuse 10A Backup Lamp – Left, Backup Lamp – Right
15 LO HDLP-RT Fuse 20A Headlamp – Right Low Beam
16 A/C CMPRSR Fuse 10A A/C Compressor Clutch
17 ECM/THROT CONT Fuse 15A Engine Control Module (ECM)
18 FUEL PUMP Fuse 25A Fuel Pump and Sender Assembly – Front, Fuel Pump
19 ITBC Fuse 15A Integrated Trailer Brake Control Module (JL1)
20 HDLP WASH Fuse 20A Not Used
21 REAR WASH Fuse 15A Not Used
22 TRLR PRK Fuse 15A Trailer Wiring
23 LT PRK Fuse 15A License Lamp – Left, Marker Lamp – LF (Z88), Park/Turn Signal Lamp – LF Upper, Park/Turn Signal Lamp – LF Lower, Marker Lamp – LR (Z88), Tail/Stop and Turn Signal Lamp – Lower Left, Tail/Stop and Turn Signal Lamp – Upper Left, Clearance Lamp – LF (RO5),
Clearance Lamp – LR (R05), Clearance Lamp (U01), Roof Marker Lamp – Left (U01), Roof Marker Lamp – Right (U01)
24 RT PRK Fuse 15A Marker Lamp – RF (Z88), Park/Turn Signal Lamp – RF Upper, Park/Turn Signal Lamp – RF Lower, Tail/Stop and Turn Signal Lamp – Lower Right, Tail/Stop and Turn Signal Lamp – Lower Right, Marker Lamp – RR (Z88), License Lamp – Right, Clearance Lamp – RF (R05), Clearance Lamp – RR (R05), Marker Lamp – Tailgate
25 FOG LAMP Fuse 15A Fog Lamp – Left Front (T96), Fog Lamp – Right Front (T96)
26 HORN Fuse 15A Horn – Left, Horn – Right (7Z1 or YE9)
27 HI HDLP-RT Fuse 10A Headlamp – Right High Beam
28 DRL Fuse 15A DRL 2 Fuse
29 HI HDLP-LT Fuse 10A Headlamp – Left High Beam
30 DRL 2 Fuse 15A LO HDLP – LT Fuse, LO HDLP – RT Fuse
31 S/ROOF Fuse 30A Sunroof Module (CF5), Roof Beacon Relay (TRW)Trailer Wiring, Auxiliary Body Control Module
32 DLIS Fuse 2A Ignition Switch, Theft Deterrent Module (TDM)
33 WPR Fuse 25A WIPER CONTROL PCB Relay
34 SEO B2 Fuse 30A Emergency Vehicle Roof Lamp Relay (5Y0)
35 EAP Fuse 15A PARK ENABLE PCB Relay, ELECTRONIC ADJUSTABLE PEDALS PCB Relay
36 HVAC BATT Fuse 10A HVAC Control Module
37 AIRBAG IGN Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint I/P Module Indicator, Inflatable Restraint I/P Module Disable Switch (C99)
38 AMP Fuse 30A Audio Amplifier (UQA)
39 RDO Fuse 15A Digital Radio Receiver (U2K), Radio, Rear Seat Audio (RSA) Control (UK6), Chime Module (UL5)
40 MISC IGN Fuse 10A Auxiliary Body Control Module (XBCM) (EXP), Stop Lamp Switch, Transfer Case Shift Control Module (NQF or NQH), Trailer Brake Control Module (JL1)
41 L/GATE RELSE Fuse 15A Not Used
42 AIRBAG BATT Fuse 15A Inflatable Restraint Passenger Presence System (PPS) Module, Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Vehicle Rollover Sensor (ASF)
43 IPC Fuse 10A Body Control Module (BCM), Instrument Panel Cluster (IPC)
44 EXP/PTO Fuse 15A Auxiliary Body Control Module (XBCM) (EXP) Power Take Off Relay (PTO)
45 AUX HVAC-IGN Fuse 10A Instrument Panel Cluster (IPC), Inside Rearview Mirror (ISRVM), Heated Steering Wheel Module Control (KA9)
46 CHMSL Fuse 15A Center High Mounted Stop Lamp (CHMSL)
47 REAR DEFOG Fuse 30A Rear Window Defogger Grid
48 HTD MIR Fuse 15A Outside Rearview Mirror – Driver (DL8 or DPN without AN3 or DL3), Outside Rearview Mirror – Passenger (DL8 or DPN without AN3 or DL3)
49 SEO B1 Fuse 15A Auxiliary Body Control Module (XBCM) (EXP), Power Take Off – (PTO) Module, Run Relay (TP2), Security Indicator Lamp, Vehicle Inclination Sensor, Vehicle Shock Sensor
50 LTR Fuse 20A Accessory Power Outlet – I/P 1, Data Link Connector (DLC)
51 SEO/ALC Fuse 10A Not Used
52 HVAC-IGN Fuse 10A Air Temperature Actuator – Left (CJ2), Air Temperature Actuator – Right (CJ2), Air Temperature Actuator (C67), Mode Actuator, Recirculation Actuator (CJ2 or C67)
53 ECM-IGN Fuse 15A Engine Control Module (ECM), Fuel Pump Relay -Secondary (LY6 without NQZ), Fuel System Control
54 ALC/COMP Fuse 40A Not Used
55 HEAVY DUTY ABS Fuse 60A Electronic Brake Control Module (EBCM)
56 ABS – 1 Fuse 40A Electronic Brake Control Module (EBCM)
57 STRTR Fuse 40A Starter
58 STUD-2 Fuse 30A Blunt Cut Wire, Integrated Trailer Brake Control Relay (JL1)
59 LBEC1 Fuse 60A BCM Fuse, COOLED SEATS Fuse, DDM Fuse, DIM Fuse, DSM Fuse, REAR HVAC Fuse, RT STOP TRN Fuse, WSW PUMP Fuse CTSY Fuse, PWR MIR Fuse
60 ELEC RUN BOARD Fuse 30A Not Used
61 WSW/HTR Fuse 60A Not Used
62 TREC Fuse 30A Transfer Case Shift Control Module (NQF or NQH), Transfer Case Encoder Motor (NQH)
63 STUD-1 Fuse 40A Trailer Wiring
64 MBEC1 Fuse 60A DRIVER SEAT 2 Circuit Breaker, PASS SEAT 1 Circuit Breaker, PWR REAR WNDW Circuit Breaker, RT DOORS Circuit Breaker
65 HVAC BLWR Fuse 40A Blower Motor Control Module
66 LGM Fuse 30A Not Used
67 LBEC2 Fuse 60A AUX PWR 2 Fuse, REAR WPR Fuse, PDM Fuse, AUX PWR Fuse, REAR SEAT Fuse, STOP LAMPS Fuse, IS LPS Fuse, LT STOP TRN Fuse ABS DET Fuse, LT DR Circuit Breaker, REAR SEAT ENT Fuse, INFO Fuse, LOCK/UNLOCK PCB Relay –
2011 Chevrolet Silverado Underhood Relays
A/C CMPRSR Relay – A/C CMPRSR Fuse –
FOG LAMP Relay – FOG LAMP Fuse –
FUEL PMP Relay – FUEL PUMP Fuse –
HDLP LO/HID Relay – LO HDLP – LT Fuse, LO HDLP – RT Fuse, DRL 2 Fuse –
PRK LAMP Relay – LT PRK Fuse, RT PRK Fuse, TRLR PRK Fuse –
PWR/TRN Relay – DSL ECM Fuse, ECM/THROT Fuse, ENG Fuse, FUEL HTR Fuse
REAR DEFOG Relay – REAR DEFOG Fuse, HTD MIR Fuse –
RUN/CRNK Relay – AIRBAG IGN Fuse, AUX HVAC-IGN Fuse, HVACIGN Fuse, ECM-IGN Fuse, MISC IGN Fuse, SEO/ALC Fuse, TRANS IGN 1 Fuse
STRTR Relay – STRTR Fuse
NOTE: The relays listed below are NOT SERVICEABLE. They are located on the Printed Circuit Board (PCB) relays and are internal to the block.
BCK/UP LAMP PCB Relay – VEH BCK/UP Fuse, TRLR BCK/UP Fuse
CHMSL – CHMSL Fuse
DRL PCB Relay – DRL Fuse
2011 Chevrolet Silverado Instrument Panel Fuse Box Diagram
1 REAR SEAT Fuse 20A Not Used
2 AUX PWR2 Fuse 20A Accessory Power Outlet – Center Console (D07 with UQ3), Accessory power Outlet – Center Console Compartment (D07 with UQ3), Accessory Power Outlet – Center Seat (AZ3)
3 SWC BKLT Fuse 2A Steering Wheel Control Switch Assembly – Left, Steering Wheel Control Switch Assembly – Right
4 DDM Fuse 15A Door Lock/Window Switch – Driver (AN3 or DL3)
5 CTSY Fuse 15A Body Control Module (BCM)
6 LT STOP TRN Fuse 15A Body Control Module (BCM) (except TZ0), Trailer Stop/Turn Relay (TZ0)
7 DIM Fuse 10A Body Control Module (BCM)
8 RT STOP TRN Fuse 15A Body Control Module (BCM) Garage Door Opener (GDO) (UG1), Door Lock/Window Switch – Passenger (YE9 or Y91), Roof Beacon Switch (5X7, 5Y0 or TRW)
10 UNLCK2 Fuse 15A Door Latch – Passenger (AU3 except AN3/DL3)
11 LCK2 Fuse 15A Door Latch – Passenger (AU3 except AN3 or DL3), Door Latch – Driver (AU3 except AN3 or DL3)
12 STOP LAMPS Fuse 15A Body Control Module (BCM)
13 REAR HVAC Fuse 30A Not Used
14 PWR MIR Fuse 2A Outside Rearview Mirror Switch (DL8 or DPN with YE9 and without AN3)
15 BCM Fuse 10A Body Control Module (BCM)
16 AUX PWR Fuse 20A Accessory Power Outlet – Center Console (D07 with UQA), Accessory power Outlet – Center Console Compartment (D07 with UQA), Accessory Power Outlet – I/P 2
17 IS LPS Fuse 10A Body Control Module (BCM)
18 UNLCK1 Fuse 15A Door Latch – Left Rear (Crew Cab), Door Latch – Right Rear (Crew Cab)
19 RSE Fuse 5A Video Display (U42)
20 OBS DET Fuse 10A Rear Object Sensor Control Module (UD7)
21 LCK 1 Fuse 15A Door Latch – Left Rear (Crew Cab), Door Latch – Right Rear (Crew Cab)
22 INFO Fuse 10A Vehicle Communciation Interface Module (VCIM) (UE1)
23 REAR WPR Fuse 25A Not Used
24 COOLED SEATS Fuse 30A Seat Climate Control Module (KB6)
25 DSM Fuse 10A Memory Seat Module (AN3), Remote Control Door Lock Receiver (RCDLR) (AP3 or AP8)
26 DRV UNLCK Fuse 15A Door Latch – Driver (AU3 except AN3 or DL3)
LT DR Circuit Breaker 25A Door Lock Window Switch – Driver (AN3 or DL3), Window Switch – Driver (A31 except AN3 or DL3), Window Switch – Left Rear (A31)
NOTE: The relays listed below are not serviceable. They are embedded on Printed Circuit Board (PCB) relays and are internal to the block.
Lock PCB Relay (AU3 except AN3/DL3) – Door Latch – Driver, Door Latch – Passenger, Door Latch – Left Rear (Crew Cab), Door Latch – Right Rear (Crew Cab)
Lock/Unlock PCB Relay (Crew Cab with AN3) – Door Latch – Left Rear, Door Latch – Right Rear
Unlock PCB Relay (AU3 except AN3/DL3) – Door Latch – Driver, Door Latch – Passenger, Door Latch – Left Rear (Crew Cab), Door Latch – Right Rear (Crew Cab)
2011 Chevrolet Silverado Auxiliary Fuse Box Diagram
1 ACPO Fuse 25A Not Used
2 BECM FAN Fuse 15A Generator Battery Vent Fan Relay
3 ACCM Fuse 15A A/C Compressor
4 CAB HTR PUMP Fuse 10A Heater Coolant Pump
5 EMPTY – Not Used
6 COOL PUMP Fuse 15A Generator Control Module Coolant Pump – Left, Generator Control Module Coolant Pump – Right
7 EPS Fuse 15A Electronic Power Steering Motor Control Module
8 PIM 1 Fuse 15A Drive Motor Generator Power Inverter Module
9 PIM 2 Fuse 15A Drive Motor Generator Power Inverter Module
10 BECM Fuse 15A Drive Motor Generator Battery Control Module, Serial Data Gateway (SDG) Module
Relays located in the Silverado Auxiliary Fuse Box
FAN 1 Fuse 40A FAN LO Relay, FAN MID 1 Relay
FAN 2 Fuse 40A FAN HI Relay, FAN MID 2 Relay
TRANS PUMP Fuse 60A Auxiliary Transmission Pump Control Module
CAB HTR PUMP Relay – CAB HTR PUMP Fuse, Heater Coolant Pump
COOL PUMP Relay –
COOL PUMP Fuse, Generator Control Module Coolant Pump – Left, Generator Control Module Coolant Pump – Right
FAN LO Relay – Cooling Fan – Left
FAN MID 1 Relay – Engine Cooling Fan Resistor – Left
FAN MID 2 Relay – Cooling Fan – Right
FAN HI Relay – Cooling Fan – Right
FAN CNTRL Relay – Cooling Fan – Left
Relays located in the Silverado Junction Box Left Instrument Panel Fuse Box
DRIVER SEAT 2 Circuit Breaker 25A Memory Seat Module (AN3), Seat Adjuster Switch – Driver (AG1 except AN3)
PASS SEAT 1 Circuit Breaker 25A Seat Adjuster Switch – Passenger, Seat Lumbar Switch – Passenger (AN3)
PWR REAR WNDW Circuit Breaker 25A Not Used
RT DOORS Circuit Breaker 25A Passenger Door Module (PDM), Window Switch – RR