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Home >> Pontiac >> 2007 >> Torrent AWD >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Instrument Panel System Displays And Gauges >> Diagnostic Information and Procedures >> DTC B0728, B0733, B0738 or B0748 >> Circuit/System Testing

Circuit/System Testing

  1. Ignition OFF, disconnect the harness connector at the transmission range indicator.
  2. Install a 3-amp fused jumper wire between the suspect signal circuit and ground. Verify the scan tool TR Sw. A/B/C/P parameter is LOW.
    • If not LOW, test the suspect signal circuit of the transmission range indicator for a short to voltage. If the circuit tests normal, replace the BCM.
  3. If all circuits test normal, test or replace the transmission range indicator.
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