Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSCHEVROLET2009TAHOE BASE, 4.8 CREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 254 (HYBRID ENGINE ELECTRICAL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC B1516TYPICAL SCAN TOOL DATA
2009 Chevrolet Tahoe Base, 4.8 C
Typical Scan Tool Data
2009 Chevrolet Tahoe Base, 4.8 CSECTION Typical Scan Tool Data
WARNING: This page is about a different car, the 2010 GMC Yukon, 2010 Chevrolet Tahoe, and 2010 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
Battery Current - BCM
| Circuit | Short to Ground | Open | Short to Voltage |
|---|---|---|---|
| Operating Conditions:
Ignition ON, engine OFF. Headlamps and all accessories Off. Parameter Normal Range: -5 amps to -25 amps |
|||
| BCM B+ | -59.9 amps | -59.9 amps | - |
| 5-Volt Reference | -59.9 amps | -59.9 amps | - |
| Signal | -59.9 amps | 59.9 amps | 59.9 amps |
| Low Reference | - | 59.9 amps | - |
Battery Voltage - BCM
| Circuit | Short to Ground | Open | Short to Voltage |
|---|---|---|---|
| Operating Conditions:
Ignition ON, engine OFF. Parameter Normal Value: 12.60 Volts |
|||
| BCM B+ | 25.60 Volts | 26.10 Volts | - |
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
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.
- • You are not confident in the next step or safety outcome.