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Home >> Chevrolet >> 2009 >> HHR SS, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Automatic Transmission - 4T45-E - Removal & Installation, Service, Overhaul, Troubleshooting & Diagnosis) >> Description And Operation >> Automatic Transmission Hydraulic Diagrams >> Overdrive Range, Second Gear (With Electronic Range Select Mode) >> Notes

Overdrive Range, Second Gear (With Electronic Range Select Mode): Notes

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As vehicle speed increases and operating conditions become appropriate, the PCM de-energizes the 1-2 shift solenoid valve in order to shift the transmission into Second gear. The manual valve remains in the Overdrive (D) position and line pressure is routed into the drive and PRND4 fluid circuits.