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Home >> Cadillac >> 2006 >> STS Base, 3.6 7, RWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 7 (Automatic Transmission - 6L80E) >> Diagnostic Information and Procedures >> DTC P0736 >> Circuit/System Verification

Circuit/System Verification

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  1. Operate the vehicle to induce a shift from second to third gear while observing TFP Switch 1. Perform this action 2 times. The TFP Switch 1 should change states from Low to High.
    • If the TFP Switch does not change states and no other DTCs set, replace the control solenoid (w/body and TCM) valve assembly.
    • If any other DTCs set, diagnose that DTC first.
  2. Operate the vehicle to obtain sixth gear 2 times and then check for DTCs other than DTC P0736.
    • If any other DTCs set, diagnose that DTC first.
    • If no other DTC sets, continue on with diagnostics.
  3. Operate the vehicle by shifting from Park to Reverse, then while in reverse, operate the vehicle with the calculated throttle position greater than 8% for 5 seconds, perform this maneuver a minimum of 3 times.
    • If the DTC P0736 resets, go to Component Testing.
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