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.
2007 Chevrolet Cutaway 4.8 VFACTORY OEM SERVICE PROCEDURE
Diagnostic Code Index
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B1000 | Electronic Control Unit (ECU) Performance |
| DTC B1004 | Keep Alive Memory (KAM) Reset |
| DTC B1007 | EEPROM Write Error |
| DTC B1009 | EEPROM Checksum Mismatch |
| DTC U0073 | High Speed Communication Bus |
| DTC U0100-U0299 | Lost Communication |
| DTC U1000 and U1255 | Class 2 Data Link |
| DTC U1001-U1254 | Lost Communication |
| DTC U1300, U1301, or U1305 | Class 2 Data Link |
Factory Service Tools
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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.
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