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Home >> Pontiac >> 2007 >> Solstice Base, Automatic >> Repair and Diagnosis >> Accessories & Equipment >> Infotainment >> Cellular System, Entertainment System, And Navigation System >> Diagnostic Information and Procedures >> DTC B1025, B1035, B1045, or B1055 >> Circuit/System Testing
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Circuit/System Testing

  1. Test the speaker circuits for an open, short to voltage, or short to ground.
    • Test for 5-6 volts on speaker signal (+) and return (-) circuits during the short condition
  2. If the circuit tests normal, test or replace the radio.
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