2022 CHEVROLET SUBURBAN auxiliary battery

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-15555985) - 2022 - CRC - 12/3/21
Driving and Operating 221
Auto Stops may not occur and/or Auto
Starts may occur because:
.The climate control settings require the
engine to be running to cool or heat the
vehicle interior.
.The vehicle battery needs to charge.
.The vehicle battery has recently been
disconnected.
.Minimum vehicle speed has not been
reached since the last Auto Stop.
.The accelerator pedal is pressed.
.The engine or transmission is not at the
required operating temperature.
.The outside temperature is not in the
required operating range.
.The vehicle is shifted out of D (Drive) to
any gear other than P (Park).
.Certain driver modes have been selected.
SeeDriver Mode Control 0236 and
Four-Wheel Drive 0227.
.The vehicle is on a steep hill or grade.
.The driver door has been opened or the
driver seat belt has been unbuckled.
.The hood has been opened.
.The Auto Stop has reached the maximum
allowed time. Auto Stop Disable Switch
Uplevel Shown, Others Similar
The automatic engine Stop/Start feature can
be disabled and enabled by pressing
h.
Auto Stop/Start is enabled each time you
start the vehicle.
When the
hindicator is illuminated, the
system is enabled.
Retained Accessory Power (RAP)
When the ignition is turned from on to off,
the following features (if equipped) will
continue to function for up to 10 minutes,
or until the driver door is opened. These
features will also work when the ignition is
in RUN or ACC/ACCESSORY:
.Infotainment System
.Power Windows (during RAP this
functionality will be lost when any door
is opened)
.Sunroof (during RAP this functionality will
be lost when any door is opened)
.Auxiliary Power Outlet
.Audio System
.OnStar System
Shifting Into Park
{Warning
It can be dangerous to get out of the
vehicle if the vehicle is not in P (Park)
with the parking brake set. The vehicle
can roll. If you have left the engine
running, the vehicle can move suddenly.
You or others could be injured. To be
sure the vehicle will not move, even
when you are on fairly level ground, use
the steps that follow. If you are pulling a
trailer, see Driving Characteristics and
Towing Tips 0280.
1. Hold the brake pedal down and set the parking brake. See Electric Parking Brake
0 232.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-15555985) - 2022 - CRC - 12/3/21
338 Vehicle Care
FusesUsage
62 ICCM/CVS/DEF –
Integrated Chassis
Control Module/Canister
Vent Solenoid/Diesel
Exhaust Fluid
63 Trailer Brake
65 AUX UEC –Auxiliary
Underhood Electrical
Center
66 Left Cool Fan Motor 67 AFM 2 –Active Fuel
Management 2
68 Automatic Lamp Control (ALC) Motor
69 Starter Pinion 71 Cool Fan Motor Lower
72 Right Cool Fan Motor/ Lower
73 Left Trailer Stop Turn Lamp
74 TIM 2 –Trailer Interface
Module 2
75 DEFC –Diesel Exhaust
Fluid Controller Fuses
Usage
76 ELEC RNG BDS
78 ECM –Engine Control
Module
79 –
80 Cabin Cool Pump 17W 81 Right Trailer Stop Turn Lamp
82 TIM 1 –Trailer Interface
Module 1
83 FTZM –Fuel Tank Zone
Module
84 Trailer Battery 85 Engine
86 ECM –Engine Control
Module
87 Injector B Even
88 02 B Sensor
89 02 A Sensor
90 Injector A Odd 91 Engine Control Module (ECM) Throttle Control Fuses
Usage
92 Cool Fan Clutch AERO Shutter
Relays Usage
5 –
18 DC/AC Inverter
23 –
35 Park Lamp
36 Run/Crank
43 Secondary Axle Motor
59 A/C Clutch
64 Starter Motor 70 Starter Pinion 77 Powertrain

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-15555985) - 2022 - CRC - 12/3/21
Vehicle Care 341
FusesUsage
F56 DC/DC CNV BATT 1 –Direct
Current/Direct Current
Converter Battery 1
F57 DC/DC CNV BATT 2 –Direct
Current/Direct Current
Converter Battery 2
F58 Spare
F59 –
Circuit
Breakers Usage
CBO1 APO 1 –Auxiliary Power
Outlet 1
CBO2 APO 2 –Auxiliary Power
Outlet 2
Relays Usage
K1 –
K2 RAP/ACCY 1 –Retain
Accessory Power/
Accessory 1
K4 RAP/ACCY 2 –Retain
Accessory Power/
Accessory 2 Relays
Usage
K5 –
Rear Compartment Fuse Block
The rear compartment fuse block is behind
the access panel on the left side of the
compartment.
Pull the panel out by grabbing the finger
access slot at the rear edge.
The vehicle may not be equipped with all of
the fuses, relays, and features shown.

Chevrolet Tahoe/Suburban Owner Manual (GMNA-Localizing-U.S./Canada/
Mexico-15555985) - 2022 - CRC - 12/3/21
342 Vehicle Care
FusesUsage
F01 RFA –Remote Function
Actuator
F02 WCM –Wireless Charging
Module
F03 Heated Seat Module Row 1 (Battery 1)
F04 Memory Seat Module (MSM) Driver
F05 –
F06 –
F07 Amp Aux 2 –Amplifier
Auxiliary 2
F08 –
F09 SEO UPFTR 2 –Search
Engine Optimization
Upfitter 2
F10 Motor Seatbelt Passenger F11 Power Folding Seat Row 2
F12 GBS
F13 –
F14 – Fuses
Usage
F15 Heated Seat Module Row 1 (Battery 2)
F16 RH CINCH Latch –Right
Hand Cinch Latch
F17 Memory Seat Module Passenger
F18 Rear Wiper
F19 Motor Seatbelt Driver
F20 Rear Defogger F21 –
F22 Rear HVAC Display Control
F23 EOCM –External Object
Calculation Module
F24 Amp Aux 3 –Amplifier
Auxiliary 3
F25 OBS DET
F26 RDCM –Rear Drive Control
Module
F27 Amp Aux 1 –Amplifier
Auxiliary 1
F28 VPM –Video Processing
Module Fuses
Usage
F29 –
F30 –
F31 Amp –Amplifier
F32 –
F33 ICCM –Integrated Chassis
Control Module
F34 Heated Seat Module Row 2 F35 HFCR
F36 ELM –Exterior Lighting
Module
F37 –
F38 Power Slide Console
F39 –
F40 –
F41 –
F42 –
F43 UPA –Universal Park Assist
F44 –