Diagnostic Code Index

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Diagnostic Code Index
DIAGNOSTIC CODE INDEX

DTC Description
DTC B1480  Battery Rundown Protection Circuit
DTC B2530  Front Fog Lamps Control Circuit
DTC B2580  Headlamp High Beam Control Circuit
DTC B2625  Display Dimming Pulse Width Modulation (PWM) Output Circuit
DTC B2645  Ambient Light Sensor Circuit
DTC B3903  Stop Lamp Relay Circuit
DTC B3948  Left Front Turn Signal Circuit
DTC B3949  Right Front Turn Signal Circuit
DTC B3950  Left Rear Turn Signal Circuit
DTC B3951  Right Rear Turn Signal 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.