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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 P1810, P1816, or P1818 >> Circuit/System Verification

Circuit/System Verification

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. Perform the Transmission Fluid Level and Condition Check .
  2. Engine idling, observe the scan tool TFP Sw. Sig. B/ Sig. C parameter while moving the gear shift lever from Park, to Reverse and through all the gear ranges and compare to the Transmission Fluid Pressure Manual Valve Position Switch Logic table. The parameter should match each gear range that is selected.
  3. Observe the scan tool TFP Sw. parameter while moving the gear shift lever from Park, to Reverse and through all the gear ranges. The selected transmission gear range should match the scan tool TFP Sw. display.
  4. Operate the vehicle within the Conditions for Running the DTC. You may also operate the vehicle within the conditions that you observed from the Freeze Frame/Failure Records data.
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