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Home >> Chevrolet >> 2012 >> Cruze Eco, Automatic Trans >> Repair and Diagnosis >> External Pages >> Different car >> Section 137 (Automatic Transmission - 4T45-E - DTC P0218 To DTC P2764) >> DTC P0973 or P0974 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2010 Pontiac G5 and 2010 Chevrolet Cobalt. However, it is still accessible from the selected car via links, so may be relevant.
  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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