Scan Tool Data List (W/HP2)

2004 Oldsmobile Bravada RWDSECTION Scan Tool Data List (W/HP2)
WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.
Hybrid Control Module (HCM) Scan Tool Data List (W/HP2)

Scan Tool Parameter Data List Units Displayed Typical Data Value
Ignition ON/Engine Running
Desired Accessory Power HCM Data Display Volts 9-14 v
Aux. Power Outlets HCM Data Display Normal/Continuous Normal/Continuous
Aux. Power Outlets Target Idle Speed HCM Data Display RPM 500-1750
Aux. Coolant Pump Relay HCM Data Display On/Off On
Aux. Trans Pump Relay HCM Data Display On/Off On
Power Maintain Relay HCM Data Display On/Off ON
Aux. Power Outlets Switch HCM Data Display On/Off On
Acc. Power Module DC/DC Direction HCM Data Display 14v-42v
42v-14v
14v-14v
Ignition 1 HCM Data Display On/Off On
Hood Switch Status HCM Data Display Open/Closed Closed
Acc. Power Load HCM Data Display On/Off On
Battery Pack Status Discharge HCM Data Display On/Off On
Battery Pack IEO Discharge Time HCM Data Display On/Off On
Battery Pack State of Charge Status HCM Data Display On/Off On
Battery Pack Voltage Status HCM Data Display On/Off On
Accelerator Pedal Position Status HCM Data Display On/Off On
ATC Status HCM Data Display On/Off On
Brake Switch Status HCM Data Display On/Off On
ECT Status HCM Data Display On/Off On
Engine Run Time Status HCM Data Display On/Off On
Engine Speed Status HCM Data Display On/Off On
Aux. Power Outlet Load Status HCM Data Display On/Off On
Aux. Power Outlets Status HCM Data Display On/Off On
Hood Switch Status HCM Data Display On/Off On
HVAC Status HCM Data Display On/Off On
Min. Gear State Status HCM Data Display On/Off On
Min. IEO Status HCM Data Display On/Off On
PCM Status HCM Data Display On/Off On
TR Switch Status HCM Data Display On/Off On
System Operation Status HCM Data Display On/Off On
TFT Status HCM Data Display On/Off On
Door Status HCM Data Display Open/Closed Closed
Vehicle Acceleration (Inertia Status) HCM Data Display Yes/No No
Vehicle Speed Status HCM Data Display Yes/No Yes
Ignition 1 Status HCM Data Display On/Off On
Tow/Haul Mode HCM Data Display Active/Inactive Active
Energy Storage Control Module (ESCM) Scan Tool Data List (W/HP2)

Scan Tool Parameter Data List Units Displayed Typical Data Value
Ignition ON/Engine Running
Battery Pack Capacity ESCM Data Display Ahrs (Amp Hours) 55 Ahrs
Battery Pack Min. State of Charge ESCM Data Display % 45%
Battery Pack State of Charge ESCM Data Display % 55%
Battery Pack Fan Speed ESCM Data Display % 50%
Battery Pack Volts ESCM Data Display Volts 36v
Battery Pack Current ESCM Data Display Amps Varying
Battery Pack Ahrs. Discharged ESCM Data Display Ahrs. 360 Ahrs
Battery Pack Ahrs. Charge ESCM Data Display Ahrs. 377 Ahrs
Battery Pack Disconnect Status ESCM Data Display Open/Closed Closed
Battery Pack Service Charge ESCM Data Display Complete/Incomplete Complete
Battery 1 Volts ESCM Data Display Volts 12.5v
Battery 2 Volts ESCM Data Display Volts 12.5v
Battery 3 Volts ESCM Data Display Volts 12.5v
Battery 1 Temp. ESCM Data Display °F 77
Battery 2 Temp. ESCM Data Display °F 77
Battery 3 Temp. ESCM Data Display °F 77
Starter/Generator Control Module (SGCM) Scan Tool Data List (W/HP2)

Scan Tool Parameter Data List Units Displayed Typical Data Value
Ignition ON/Engine Running
Auxiliary Power Outlet (APO) Output Voltage Phase A SGCM Data Display Volts 120v
APO Mode SGCM Data Display Normal/Continuous Normal
Accessory Power Module (APM) Output Voltage SGCM Data Display Volts 13.7v
APM Power SGCM Data Display kW -2.0-2.5 kW
SGCM Temperature SGCM Data Display ° -40-140°C
SGCM Fan Speed SGCM Data Display % Varying
SGCM Pump Status SGCM Data Display On/Off Off
SGCM Speed Signal SGCM Data Display On/Off On
SGCM Bus Voltage SGCM Data Display Volts 42v
Delivered Starter/Generator Torque SGCM Data Display ft-lbs. Varying - during key crank
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
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