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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 9 (Automatic Transmission - 4T45-E - DTC P0218 To DTC P2764) >> DTC P0973 or P0974 >> Component Testing

Component Testing

WARNING: This page is about a different variant/trim than selected.
  1. Ignition OFF, disconnect the automatic transmission (AT) inline 20-way connector at the transmission.
  2. Install the J 44152  on the transmission side of the AT inline 20-way connector. See Special Tools .
  3. Test for 19-31 ohms of resistance between the control terminal A and the ignition terminal E of the transmission.
    • If not within the specified range, test the circuits for a short to ground or an open/high resistance. If a circuit is shorted or open replace the internal transmission wiring harness assembly, if the circuits test normal, replace the 1-2 shift solenoid.
  4. Test for infinite resistance between each terminal and the transmission housing/case.
    • If not the specified value, test the circuits for a short to ground or an open/high resistance. If a circuit is shorted replace the internal transmission wiring harness assembly, if the circuits test normal, replace the 1-2 shift solenoid.
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