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 56 (ENGINE CONTROLS DIAGNOSIS - (DTC P0136 TO DTC P0443))DTC TESTSDTC TABLE
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
DTC Table
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION DTC Table
WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
DTC Table
| DTC | Description |
|---|---|
| DTC P0138 or P0158 | HO2S Circuit High Voltage Bank 1 Or 2 Sensor 2 |
| DTC P0139 or P0159 | HO2S Slow Response Bank 1 Or 2 Sensor 2 |
| DTC P0140 or P0160 | HO2S Circuit Insufficient Activity Bank 1 Or 2 Sensor 2 |
| DTC P0141 or P0161 | HO2S Heater Performance Bank 1 Or 2 Sensor 2 |
| DTC P0171 or P0174 | Fuel Trim System Lean Bank 1 Or 2 |
| DTC P0172 or P0175 | Fuel Trim System Rich Bank 1 Or 2 |
| DTC P0201 To P0206 | Injector(s) Control Circuit |
| DTC P0221 | Throttle Position (TP) Sensor(s) Malfunction(s) |
| DTC P0222 | Throttle Position (TP) Sensor 2 Circuit Low Voltage |
| DTC P0223 | Throttle Position (TP) Sensor 2 Circuit High Voltage |
| DTC P0261, P0264, P0267, P0270, P0273 or P0276 | Control Circuit Low Voltage |
| DTC P0262, P0265, P0268, P0271, P0274 or P0277 | Control Circuit High Voltage |
| DTC P0300 | Engine Misfire Detected |
| DTC P0301 to P0306 | Specific Cylinder Misfire Detected |
| DTC P0313 | Misfire Detected with Low Fuel Level |
| DTC P0324 | Knock Sensor (KS) Module Performance |
| DTC P0327 or P0332 | Knock Sensor (KS) Circuit Low Voltage Bank 1 Or 2 |
| DTC P0328 or P0333 | Knock Sensor (KS) Circuit High Voltage Bank 1 Or 2 |
| DTC P0335 | Crankshaft Position (CKP) Sensor Circuit |
| DTC P0341 | Camshaft Position (CMP) Sensor Performance |
| DTC P0342 | Camshaft Position (CMP) Sensor Circuit Low Voltage |
| DTC P0343 | Camshaft Position (CMP) Sensor Circuit High Voltage |
| DTC P0421 or P0431 | Warm-Up Catalyst Low Efficiency Bank 1 Or 2 |
| DTC P0442 | EVAP System Small Leak Detected |
| DTC P0443 | EVAP Purge Solenoid Control Circuit |
RENDER: 1.0x
NO RELATED
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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.