LEMON Manuals: Even more car manuals for everyone
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 P18A1, P18AA, P18AB, or P27EC >> Diagnostic Fault Information

Diagnostic Fault Information

Component DTC Condition
Transmission Control Solenoid Valve 8 P18A1, P18AA, P18AB, P27EC Binding or Sticking/Stuck

Control Valve Body

  • Electronic Transmission Range Select (ETRS) Valve
 P18A1, P18AA, P18AB, P27EC
  • Oil Channels or Orifices - Blocked by debris/Restricted
  • Valve - Binding or Sticking/Stuck
scientia non olet · About LEMON Manuals