2012 Chevrolet Suburban Fuse Box Diagrams — Ricks Free Auto Repair Advice Ricks Free Auto Repair Advice

1 ACPO Fuse 25A Accessory Power Inverter Module
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

Auxiliary fuse box (HP2) is located on left side of engine compartment

– 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

2010 Chevrolet Suburban Fuse Box Diagram for Instrument Panel Fuse Box

2012 Chevrolet Suburban Fuse Box Diagrams

2010 Chevrolet Suburban Fuse Box Diagram for Auxiliary Fuse Box, Underhood Fuse Box and Instrument panel Fuse Box

2010 Chevrolet Suburban Fuse Box Diagram for Auxiliary Fuse Box

2009 Auxiliary Fuse Box Diagram

1 REAR SEAT Fuse 20A Folding Seat Motor – Left Rear (ARS), Folding Seat Motor – Right Rear (ARS), Heated Seat Module – Rear 6)
2 AUX PWR2 Fuse 20A Auxiliary Power Outlet – Rear (E52 or TB7), Auxiliary Power Outlet – Center Seat (AZ3 or A95)
3 SWC BKLT Fuse 2A Steering Wheel Control Switch – Left, Steering Wheel Control Switch – Right
4 DDM Fuse 15A Driver Door Module (DDM)
5 CTSY Fuse 15A Body Control Module (BCM)
6 LT STOP TRN Fuse 15A Body Control Module (BCM)
7 DIM Fuse 10A Body Control Module (BCM)
8 RT STOP TRN Fuse 15A Body Control Module (BCM)
9 PDM Fuse 15A Garage Door Opener (GDO) (UG1), Inside Rearview Mirror (ISRVM), Passenger Door Module (PDM), Roof Beacon Switch )
10 UNLCK2 Fuse 15A Endgate Lock Actuator
11 LCK2 Fuse 15A Endgate Lock Actuator
12 STOP LAMPS Fuse 15A Body Control Module (BCM)
13 REAR HVAC Fuse 30A Blower Motor Control Module – Auxiliary
14 PWR MIR Fuse 2A Not Used
15 BCM Fuse 10A Body Control Module (BCM)
16 AUX PWR Fuse 20A Accessory Power Outlet – Center Console Compartment (D07), Accessory Power Outlet – Center Console (D07), Accessory Power Outlet – I/P 2 (X88 or Z88)
17 IS LPS Fuse 10A Body Control Module (BCM)
18 UNLCK1 Fuse 15A Door Latch Assembly – Left Rear, Door Latch Assembly – Right Rear
19 RSE Fuse 5A Video Display – Front (U42), Video Display – Rear (U42 with DNU)
20 OBS DET Fuse 10A Liftgate Module (LGM) (E61), Rear Object Sensor Control Module (UD7)
21 LCK 1 Fuse 15A Door Latch Assembly – Left Rear, Door Latch Assembly – Right Rear
22 INFO Fuse 10A Vehicle Communication Interface Module (VCIM)
23 REAR WPR Fuse 25A Rear Window Wiper Motor (E52 or TB7)
24 COOLED SEATS Fuse 30A Climate Control Seat Module (KB6)
25 DSM Fuse 10A Memory Seat Module (AN3), Remote Control Door Lock Receiver (RCDLR)
26 DRV UNLCK Fuse 15A Not Used – LT DR Circuit Breaker 25A Driver Door Module (DDM), Window Switch – Left Rear

Wiper system diagnostic test points.
– TP 92 – Wiper High Speed Test Point
– TP 95 – Wiper Low Speed Test Point

Posted on by Rick Muscoplat


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Underhood Fuse Block

The relays listed below are non-serviceable Printed Circuit Board (PCB) relays and are internal to the block.
– LOCK/UNLOCK PCB Relay – LCK 1 Fuse, LCK 2 Fuse, UNLCK 1 Fuse, UNLCK 2 Fuse

2010 Chevrolet Suburban Fuse Box Diagram for Underhood Fuse Box

Underhood Fuse Block

The relays listed below are non-serviceable 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 PCB Relay – CHMSL Fuse
– DRL PCB Relay – DRL Fuse
– FAN CNTRL PCB Relay – Cooling Fan – Right
– 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
– REAR WASH PCB Relay – REAR WASH Fuse
– RUN PCB Relay – FWD Fuse, HTD STR/WHL Fuse
– TRLR STOP LT PCB Relay – TRLR STOP LT Fuse
– TRLR STOP RT PCB Relay – TRLR STOP RT Fuse
– WIPER 1 PCB Relay – Wiper 2 PCB Relay
– WIPER 2 PCB Relay – Windshield Wiper Motor

Instrument Panel Fuse Box

Underhood fuse block is located at the left side of the engine compartment to
the rear of the battery.

Instrument Panel (I/P) fuse block is located at the left side of the I/P behind the
access panel.

1 TRLR STOP RT Fuse 10A Trailer Wiring, Auxiliary Body Control Module (XBCM) (EXP)
2 ESC/ALC EXH Fuse 30A Automatic Level Control (ALC) Compressor (G69), Electronic Suspension Control (ESC) Module (Z55)
3 TRLR STOP LT Fuse 10A Trailer Wiring, Auxiliary Body Control Module (XBCM) (EXP)
4 ENG Fuse 15A Evaporative Emissions (EVAP) Canister Purge Solenoid Valve, Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor, Valve Lifter Oil Manifold (VLOM) Assembly (AFM) 5 ECM/THROT CONT Fuse 15A Engine Control Module (ECM)
6 ITBC Fuse 15A Not Used
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
11 LO HDLP-LT Fuse 20A Headlamp – Left (Z88), Headlamp – Low Beam – Left (X88), Headlamp Ballast – Left (Z75)
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
14 TCM-BATT Fuse 15A Evaporative Emissions (EVAP) Canister Vent Solenoid Valve, Transmission Control Module (TCM)
15 VEH BCK/UP Fuse 10A Backup Lamp – Left, Backup Lamp – Right
16 LO HDLP-RT Fuse 20A Headlamp – Right (Z88), Headlamp – Low Beam – Right (X88), Headlamp Ballast – Right (Z75)
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), 1-2 Shift Solenoid (1-2 SS) Valve, 2-3 Shift Solenoid (2-3 SS) Valve, 3-2 Shift Solenoid (3-2 SS) Valve (M30 or (M30), Torque Converter Clutch (TCC) Solenoid Valve (M30), Torque Converter Clutch Pulse Width Modulation (TCC PWM) Solenoid Valve
20 FUEL PUMP Fuse 20A Fuel Pump and Sender Assembly – Primary
21 FSCM Fuse 20A Fuel Pump Flow Control Module
22 HDLP WASH Fuse 20A Not Used
23 REAR WASH Fuse 15A Rear Window Washer Fluid Pump
24 INJ-A Fuse 20A Fuel Injector 1, Fuel Injector 3, Fuel Injector 5, Fuel Injector 7, Ignition Coil 1, Ignition Coil 3, Ignition Coil 5, Ignition Coil 7
25 TRLR PRK Fuse 15A Trailer Wiring
26 LT PRK Fuse 15A License Lamp – Left, License Lamp – Right, Marker Lamp – Left Front, Park/Turn Signal Lamp – Left Front
(X88/Z88), Park Lamp – Left Front (Z75), Tail Lamp Circuit Board – Left (Z75 with E52), Marker Lamp – Left Rear (except Z75 with E52), Tail/Stop and Turn Signal Lamp – Lower Left (except Z75 with E52), Tail/Stop and Turn Signal Lamp – Upper Left (except Z75 with E52) Tail Lamp Circuit Board – Right (Z75 with E52), Marker Lamp – Right Front, Park Lamp – Right Front (Z75), Park/Turn Signal Lamp – Right Front (X88 or Z88), Tail/Stop and Turn Signal Lamp – Lower Right (X88, Z88 or Z75 with E52), Tail/Stop and Turn Signal Lamp – Upper Right (X88, Z88 or Z75 with E52), Marker Lamp – Right Rear (X88, Z88 or Z75 with E52)
28 FOG LAMP Fuse 15A Fog Lamp – Left Front (T96), Fog Lamp – Right Front (T96)
29 HORN Fuse 15A Horn – Left, Horn – Right
30 HI HEADLAMP-RT Fuse 10A Headlamp – Right (Z88), Headlamp – Right High Beam (X88 or Z75)
31 DRL Fuse 15A Daytime Running Lamp (DRL) – Left (Z75 or X88), Daytime Running Lamp (DRL) – Right (Z75 or X88), DRL 2 Fuse Z88)
32 HI HEADLAMP-LT Fuse 10A Headlamp – Left (Z88), Headlamp – High Beam – Right (X88 or Z75)
33 DRL 2 Fuse 15A LO HDLP – LT Fuse (Z88), LO HDLP – RT Fuse (Z88)
34 S/ROOF Fuse 30A Sunroof Control Module (CF5), Roof Beacon Relay (5G4)
35 DLIS Fuse 2A Ignition Switch, Theft Deterrent Module (TDM)
36 FRT WPR Fuse 25A Wiper 1 PCB Relay
37 SEO B2 Fuse 30A Not Used
38 EAP Fuse 15A PARK ENABLE PCB Relay, ELECTRONIC ADJUSTABLE PEDALS PCB Relay, Folding Seat Switch – Front (ARS), Folding Seat Switch – Left Rear (ARS), Folding Seat Switch – Right Rear (ARS), Multifunction Switch – I/P, Police Provision Wiring (6J1)
39 HVAC BATT Fuse 10A HVAC Control Module
40 AIRBAG IGN Fuse 10A Inflatable Restraint Sensing and Diagnostic Module (SDM), Inflatable Restraint Passenger Air Bag ON/OFF
Indicator
41 AMP Fuse 30A Audio Amplifier (UQA or UQS)
42 RDO Fuse 15A Clock (Z75), Digital Radio Receiver (U2K), Radio, Rear Seat Audio (RSA) Controller (UK6)
43 MISC IGN Fuse 10A Auxiliary Body Control Module (XBCM) (EXP), Rearview Camera (UVC or SPO Accessory – Rear Vision Camera), Seat Climate Control Module (KB6), Stop Lamp Switch, Transfer Case Shift Control Module (NQH), Serial Data Gateway (SDG) Module
44 L/GATE RELSE Fuse 15A Liftgate Latch Assembly (E52)
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) Body Control Module (BCM), Instrument Panel Cluster
46 IPC Fuse 10A (IPC)
47 EXP/PTO Fuse 15A Auxiliary Body Control Module (XBCM) (EXP), Spot Lamp – Left (7X6)
48 AUX HVAC-IGN Fuse 10A Electronic Compass Module (YE9), Instrument Panel Cluster (IPC), Inside Rearview Mirror (ISRVM), Mode
Actuator – Auxiliary (C69), Air Temperature Actuator – Auxiliary (C69), Inflatable Restraint Steering Wheel Module Coil (KA9), Heated Steering Wheel Control Module (KA9)
49 CHMSL Fuse 15A Not Used
50 REAR DEFOG Fuse 30A Rear Window Defogger Grid
51 HTD MIR Fuse 15A Not Used
52 SEO B1 Fuse 15A Auxiliary Body Control Module (XBCM) (EXP), Spot Lamp – Right (7X7), Vehicle Inclination Sensor (SPO Alarm), Security Indicator Lamp (SPO Alarm), Vehicle Shock Sensor (SPO Alarm)
53 LTR Fuse 20A Accessory Power Outlet – I/P 1, Data Link Connector (DLC)
54 SEO/ALC Fuse 10A Automatic Level Control (ALC) Relay (G69), Inline Fuse Digital Video Disc (DVD) Control Module (SPO Accessory – Headrest DVD) 55 HVAC-IGN Fuse 10A Air Temperature Actuator – Left, Air Temperature Actuator – Right, Mode Actuator, Recirculation Actuator
56 ECM-IGN Fuse 15A Engine Control Module (ECM), Fuel Pump Relay – Secondary (LY6), Fuel Pump Flow Control Module (except LY6), Electronic Brake Control Module (EBCM) (HP2)
57 FAN-1 Fuse 40A FAN LO PCB Relay
58 ALC/COMP Fuse 40A Automatic Level Control (ALC) Relay (G69)
59 HEAVY DUTY ABS Fuse 60A Electronic Brake Control Module (EBCM)
60 FAN-2 Fuse 40A FAN HI PCB Relay
61 ABS-1 Fuse 40A Electronic Brake Control Module (EBCM)
62 STRTR Fuse 40A Starter Motor
63 STUD-2 Fuse 30A Blunt Cut Wire
64 LBEC1 Fuse 60A AUX PWR 2 Fuse, REAR WPR Fuse, PDM Fuse, AUX PWR Fuse
65 ELEC RUN BOARD Fuse 30A Assist Step Control Module (BRS)
66 WSW/HTR Fuse 60A Windshield Washer Solvent Heater (XA7)
67 TREC Fuse 30A Transfer Case Encoder Motor (NQH), Transfer Case Shift Control Module (NQH)
68 STUD-1 Fuse 40A Trailer Wiring
69 MBEC1 Fuse 60A DRIVER SEAT 2 Circuit Breaker, PASS SEAT 1 Circuit Breaker, RT DOORS Circuit Breaker
70 HVAC BLWR Fuse 40A Blower Motor Control Module
71 LGM Fuse 30A Liftgate Module (LGM) (E61)
72 LBEC2 Fuse 60A BCM Fuse, COOLED SEATS Fuse, DDM Fuse, DIM Fuse, DSM Fuse, REAR HVAC Fuse, RT STOP TRN Fuse, WSW PUMP Fuse
– A/C CMPRSR Relay – A/C CMPRSR Fuse
– FAN CNTRL Relay – FOG LAMP Fuse
– FAN HI Relay – Cooling Fan – Right, FAN CNTRL Relay
– 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, INJB Fuse, O2-A SNSR Fuse, O2-B SNSR Fuse, FAN CNRTL Relay, FAN HI Relay, FAN LO 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

The Instrument Panel fuse block is located at the left side of the dash behind the access panel.

2010 Avalanche Auxiliary Fuse Box Diagram