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.
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HOMESERVICE MANUALSCHEVROLET2007SUBURBAN C1500, 5.3 0REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 469 (BATTERY, CHARGING SYSTEM AND STARTING SYSTEM DIAGNOSIS (DTC B1327-DTC P1638))
2007 Chevrolet Suburban C1500, 5.3 0
Section 469 (Battery, Charging System And Starting System Diagnosis (DTC B1327-DTC P1638))
2007 Chevrolet Suburban C1500, 5.3 0SECTION Section 469 (Battery, Charging System And Starting System Diagnosis (DTC B1327-DTC P1638))
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.
- Diagnosis
- DTC B1327
- DTC B1328
- DTC B139A, DTC B139B, DTC B139C, DTC B139D, DTC B139E, DTC B139F, DTC B140A, DTC B140B or DTC B140C
- DTC B3009
- DTC B3008
- DTC B3006
- DTC P0562
- DTC P0563
- DTC P0615
- DTC P0616, P0617, P2617, or P0725
- DTC P0621
- DTC P0622 (Gas Engine)
- DTC P0622 (Diesel Engine)
- DTC P0A1D
- DTC P0A27 or P1A58
- DTC P0A7E (ESB Battery Pack Overtemp)
- DTC P0A7F
- DTC P0A82 (ESB Fan Stuck Off)
- DTC P0A83 (ESB Fan Stuck On)
- DTC P0A88 (APM Current Low)
- DTC P0A89 (APM Current High)
- DTC P0A8B
- DTC P0A8E (APM Voltage High)
- DTC P1637
- DTC P1638
RENDER: 1.0x
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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.