GD12 Component Check Strut Assembly Check
^ Remove known good left rear actuator and exchange places with suspected right rear actuator.
^ install and reconnect two shock actuators to vehicle shocks and wiring harness.
^ Repeat Service Bay Diagnostics.
^ Did STAR Tester display a code 59 and/or 63?
YES -- SERVICE right rear shock/strut assembly for binding (force required to switch from SOFT to FIRM). REPEAT Service Bay Diagnostics. Reading and Clearing Diagnostic Trouble Codes
NO -- Problem of not switching to desired position may have been due to actuator not being properly mounted to strut and is now corrected.