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Home >> Chevrolet >> 2024 >> Tahoe Commercial, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 10L80 (MHS MHU MQC) - Diagnostic Information And Procedures (2 Of 2) >> Diagnostic Information and Procedures >> DTC P2796-P2799 >> Diagnostic Fault Information

Diagnostic Fault Information

Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance
B+ - Terminal 1@G5 Automatic Transmission Auxiliary Fluid Pump 1 P2797 - P2797
Control - Terminal 3@G5 Automatic Transmission Auxiliary Fluid Pump P0658 P0658 P0659 P2797
Control - Terminal 4@G5 Automatic Transmission Auxiliary Fluid Pump P2798 P2796 P2799 P2797
Ground - Terminal 6@G5 Automatic Transmission Auxiliary Fluid Pump - P2797 1 P2797
  1. Fuse - Open
  2. Autostart/Autostop = Disabled - G5 Automatic Transmission Auxiliary Fluid Pump - Inoperative
NOTE:
  • DTC P2797 will set with a hydraulic/mechanical condition.
  • The components are listed from the least to the most intrusive to service.
Component DTC Condition
Automatic Transmission Auxiliary Fluid Pump Outlet Pipe P2797
  • Incorrect installation
  • Leaking
  • Mechanically damaged
  • Missing components
  • Restricted
Automatic Transmission Auxiliary Fluid Pump Seal P2797
  • Incorrect installation
  • Leaking
  • Mechanically damaged
  • Missing
Automatic Transmission Auxiliary Fluid Pump Outlet Pipe Seal P2797
  • Incorrect installation
  • Leaking
  • Mechanically damaged
  • Missing
G5 Automatic Transmission Auxiliary Fluid Pump P2797
  • Binding or Sticking
  • Debris on the component.
  • Mechanically damaged
Control Valve Body P2797
  • Transmission Fluid Pump Check Ball - Restricted/Leaking/Mechanically damaged
  • Fluid/oil passage - Restricted/Leaking
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