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 MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 200 (CHARGING SYSTEM)SELF DIAGNOSTIC SYSTEMDIAGNOSTIC TROUBLE CODE DEFINITIONS
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2
Diagnostic Trouble Code Definitions
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Diagnostic Trouble Code Definitions
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 GMC Yukon XL, 2003 GMC Yukon, 2003 Chevrolet Tahoe, 2003 Chevrolet Suburban, and 2003 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC TROUBLE CODE DEFINITIONS
| DTC (1) | Description | ||
|---|---|---|---|
| B1327 | Battery/Source Voltage | ||
| B1328 | Device Power Circuit High | ||
| P0562 | Low System Voltage | ||
| P0563 | High System Voltage | ||
| P0615 | Improper Voltage Level On The Output Circuit That Controls The Starter Relay | ||
| P0622 | Pulse Width Modulation Signal Out Of Range | ||
| P1637 | Generator Turn-On Signal Circuit Voltage Out Of Range | ||
| P1638 | Pulse Width Modulation Signal Out Of Range | ||
|
|||
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.