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Home >> Chevrolet >> 2021 >> Equinox LS, 4WD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission - 6T40 (MNH MNK) Or 6T45 (MHG) - Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P171D >> Diagnostic Fault Information

Diagnostic Fault Information

NOTE:

The components are listed from the least to the most intrusive to service.

Component DTC Condition
Automatic Transmission Auxiliary Fluid Accumulator P171D
  • B280 Automatic Transmission Accumulator Solenoid Valve - Binding or Sticking / Stuck
  • Seal Ring - Leaking
1-2-3-4 Clutch Assembly P171D, P2714
  • 1-2-3-4 clutch plates worn or damaged.
  • Seal Ring - Leaking
Oil Flow Check Valve P171D Valve - Leaking
Automatic Transmission Case P171D, P2714 1-2-3-4 Clutch Retainer Spring retaining tabs - Worn
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