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 747 (MULTIPLEX INTEGRATED CONTROL SYSTEM)DTC TROUBLESHOOTINGDTC B1150: COMMUNICATION CIRCUIT ERROR (BUS-OFF)
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
DTC B1150: Communication Circuit Error (BUS-OFF)
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION DTC B1150: Communication Circuit Error (BUS-OFF)
WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN System Diagnosis Test Mode A (see TROUBLESHOOTING - B-CAN SYSTEM DIAGNOSIS TEST MODE A
).
- Clear the DTCs with the HDS.
- Turn the ignition switch to LOCK (0) and then back to ON (II).
- Wait for at least 6 seconds.
- Check for DTCs with the HDS.
Are DTCs B1000 and B1011 also indicated with DTC B1150?
YES -Troubleshoot DTC B1000 (see DTC B1000: COMMUNICATION CIRCUIT ERROR (BUS-OFF) ).
NO -Intermittent failure, the system is OK at this time.
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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.