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 731 (CONTINUOUSLY VARIABLE TRANSMISSION (CVT))DTC TROUBLESHOOTINGDTC P16C0: PCM CVT CONTROL SYSTEM INCOMPLETE UPDATE
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
DTC P16C0: PCM CVT Control System Incomplete Update
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION DTC P16C0: PCM CVT Control System Incomplete Update
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:
- Before you troubleshoot, record all freeze data and any on-board snapshot with the HDS, and review General Troubleshooting Information (see GENERAL TROUBLESHOOTING INFORMATION ).
- This code is indicated when PCM updating is incomplete.
- Do not turn the ignition switch to LOCK (0) or ACCESSORY (I) while updating the PCM. If you turn the ignition switch to LOCK (0) or ACCESSORY (I) before completion, the PCM can be damaged.
- Update the PCM (see PCM UPDATE ).
- Check for Pending or Confirmed DTCs with the HDS.
Is DTC P16C0 indicated?
YES -Replace the original PCM (see PCM REPLACEMENT ).
NO -Troubleshooting is complete.
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.