Second Gear Start
WARNING: This page is about a different car, the 2009 GMC Yukon and 2009 Chevrolet Tahoe. However, it is still accessible from the selected car via links, so may be relevant.
Second Gear Start
| Checks | Causes |
|---|---|
| Signal Noise on Vehicle Speed Sensor (VSS) Circuit | Chassis vibrations, incorrect harness routing, owner installed electronic components creating electrical interference. |
| Diagnostic Trouble Code (DTC) | Electrical or mechanical 1-2 Shift Solenoid Valve (367) malfunction. |
| Leaking Actuator Feed Limit (AFL) Circuit | Spacer plate (48), spacer plate gaskets (47 or 52), control valve body (60), mispositioned, damaged or poor sealing/mating surface exist. |
| Blocked or restricted Valve Body Spacer Plate (48) Spacer Plate to Case Gasket (47) or Spacer Plate to Valve Body Gasket (52) | Trapped sediment or metal particles. |
| Stuck 1-2 Shift Valve (366) |
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