B3949

Right Front Turn Signal Circuit Short to Ground

DTC B3949, sometimes indicated as B394900 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle body.

  • B3949 02: Right Front Turn Signal Circuit Short to Ground
  • B3949 04: Right Front Turn Signal Circuit Open

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Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • 030842009 - EXTERIOR LIGHTING
    SATURN: One or both daytime running lamps (drl) are inoperative, diagnostic trouble code (dtc) B3948 and/or B3949 may be set. *tt erratic front turn signal operation when using a cell phone charger in either accessory power outlet. *tt
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