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Home >> Pontiac >> 2008 >> Torrent GXP, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 92 (Instrument Panel System Displays & Gauges) >> Diagnostic Information and Procedures >> DTC P0462 >> Circuit/System Testing

Circuit/System Testing

WARNING: This page is about a different car, the 2009 Pontiac Torrent and 2009 Chevrolet Equinox. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the fuel level sensors.
  2. Ignition ON, verify that the scan tool Fuel Tank Level Remaining parameter is less than 4 percent.
    • If greater than the specified value, test the signal circuit terminal D for a short to ground. If the circuit tests normal, replace the ECM.
  3. Ignition OFF, test for greater than 1 ohm between the fuel level sensor signal circuit terminal C and ground.
    • If less than the specified value, test the signal circuit for a short to ground.
  4. If all circuits test normal, test or replace the fuel level sensors.
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