Symptoms:

  • Park release issues

Cause:

Continuous oscillation of ETRS (drive-by-wire) mode 2 boost valve results in excess sleeve bore wear, allowing pressure to leak past the valve.

Correction:

Restore ETRS mode 2 valve functionality by installing the Sonnax drop-in ETRS mode 2 boost valve kit.

9T45, 9T50, 9T60, 9T65

ETRS Mode 2 Boost Valve Kit
Part No. 184740-06K

You need this if... View Instructions Find a Distributor

GM 9T45/50/60/65 transmissions using drive-by-wire may develop issues due to wear of the ETRS mode 2 boost valve. Sonnax ETRS mode 2 boost valve kit 184740-06K has upgraded materials and minimal clearances to prevent wear and restores boost valve functionality for the ETRS mode 2 valve.

  • Boost sleeve is manufactured from highly wear-resistant billet aluminum to prevent wear
  • Hardcoat anodized aluminum valve combats premature wear
  • Drop-in Zip Valve™ parts install quickly and easily
Learn More About Zip Valve™ Drop-In Repairs
  • Valve
  • Sleeve
  • 9T45, 9T50, 9T60, 9T65 ETRS Mode 2 Boost Valve Kit 184740-06K
  • 9T45, 9T50, 9T60, 9T65 ETRS Mode 2 Boost Valve Kit 184740-06K

You need this if...

9T45, 9T50, 9T60, 9T65 ETRS Mode 2 Boost Valve Kit Vacuum Test Locations