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Home >> Chevrolet >> 2001 >> Camaro Base, 2D Convertible, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission Diagnosis - 4L60-E >> Diagnostic Tests >> DTC P0756: 2-3 Shift Solenoid Performance Or Stuck Off >> Diagnostic Procedure

Diagnostic Procedure

  1. Did you perform the diagnostic system check? If so, go to next step. If not, see DIAGNOSTIC SYSTEM CHECK  under SELF-DIAGNOSTIC SYSTEM.
  2. Connect scan tool to DLC. Turn ignition on, engine off. Using scan tool, record freeze frame and failure records for reference, and then clear DTCs. Test drive vehicle in "D4" range and ensure PCM commands 1st, 2nd, 3rd and 4th gears. If a 4-3-3-4 shift pattern is detected, go to next step. If a 4-3-3-4 shift pattern is not detected, see DIAGNOSTIC AIDS .
  3. Check shift solenoids for damaged seals or internal malfunction. Repair as necessary. After repairs, go to next step.
  4. Using scan tool, clear DTCs. Test drive vehicle in "D4" range. Hold throttle at 40 percent and accelerate vehicle to 40 MPH. Check for DTCs. If DTC P0756 does not return, system is okay. If DTC P0756 returns, go to step  1.
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