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Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Automatic Transmission - 6T40 - DTC P0973 To DTC P2764 And Troubleshooting Procedures) >> Diagnostic Information and Procedures >> Auxiliary Fluid Pump Pressure High or Low (Hybrid)

Auxiliary Fluid Pump Pressure High or Low (Hybrid)

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Checks Causes
Auxiliary Fluid Inlet Pump Seal (371) Inspect for seal damage.
Pressure Regulator Valve (358)
  • Inspect for worn, sticking, or damaged pressure regulator valve (358).
  • Inspect for worn, sticking, or damaged pressure regulator valve spring (357).
A/Trans Fluid Trough Check Ball (373) Check for debris, or damaged fluid trough check ball (373).
A/Trans Auxiliary Fluid Pump Outlet Pipe Seal Assembly (351)
  • Inspect for damaged auxiliary fluid pump outlet pipe (351).
  • Inspect for damaged auxiliary fluid pump outlet pipe seals (352).
Control Valve Body Ball Check Valve (404)
  • Check for damaged control valve body ball check valve (404).
  • Check the valve body spacer plate (403) for damage or debris.