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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 324 (COMPUTER/INTEGRATING SYSTEMS)DIAGNOSTIC INFORMATION AND PROCEDURESDIAGNOSTIC CODE INDEX
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Diagnostic Code Index
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Diagnostic Code Index
WARNING: This page is about a different car, the 2006 Chevrolet Monte Carlo and 2006 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSTIC CODE INDEX
| DTC | Description |
|---|---|
| DTC B0005 | In Park Signal Circuit |
| DTC B1000 | Electronic Control Unit Performance Special Memory Failure, Electronic Control Unit Performance RAM Integrity, Electronic Control Unit Performance ROM Integrity, Electronic Control Unit Performance EEPROM Integrity, Electronic Control Unit Performance Internal Electronic Failure |
| DTC B1001 | Option Configuration Error Variant Not Programmed |
| DTC B1016 | VIN Not Programmed |
| DTC B1370 | Device Ignition 1 On and Start Circuit Short to Battery, Device Ignition 1 On and Start Circuit Open |
| DTC B1380 | Device Ignition Accessory Circuit Short to Battery, Device Ignition Accessory Circuit Open |
| DTC B1428 | Ignition Switched Power Run/Crank Relay Circuit |
| DTC B1440 | Power Mode Master Input Circuits Mismatch |
| DTC B1441 | Device Ignition Off/Run/Crank Circuit Short to Battery, Device Ignition Off/Run/Crank Circuit Open |
| DTC B1475 | Retained Accessory Power Circuit |
| DTC U0073 | High Speed Communication Bus |
| DTC U0100-U0299 | Refer to DTC U0100-U0299 |
| DTC U1814 | Powertrain High Speed Communication Enable Circuit |
| DTC U2099 | High Speed Communication Enable Circuit |
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.