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 601 (CRUISE CONTROL SYSTEM)DIAGNOSTIC INFORMATION AND PROCEDURESDTC P0719CIRCUIT/SYSTEM TESTING
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Circuit/System Testing
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Circuit/System Testing
WARNING: This page is about a different car, the 2007 Pontiac G5 Pursuit, 2007 Pontiac G5, and 2007 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
- Ignition OFF, disconnect the harness connector at the Stop Lamp/TCC Switch.
- Ignition ON, test for greater than 10 volts between the ignition 1 voltage circuit terminal A and ground.
- If less than the specified voltage, test the voltage circuit for an open/high resistance, or a short to ground.
- Ignition OFF, connect the harness connector at the Stop Lamp/TCC Switch. Disconnect the harness connector C1 at the ECM.
- Test for 10 volts between the TCC Brake Switch/Cruise Control Release Signal circuit and ground.
- If less than the specified voltage, test the signal circuit for an open/high resistance, or a short to ground. If the circuit tests normal, replace the Stop Lamp/TCC Switch.
- If at or greater than the specified voltage, replace the ECM.
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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.