Entire Seat Will Not Go Up Or Down (Forward Or Back Functions Operate Normally)

1) If front height adjustment does not operate properly, go to next step. If front height adjustment operates properly, go to REAR HEIGHT WILL NOT GO UP &/OR DOWN (FORWARD OR BACK FUNCTIONS OPERATE NORMALLY).

2) If rear height adjustment does not operate properly, go to next step. If rear height adjustment operates properly, go to FRONT HEIGHT WILL NOT GO UP &/OR DOWN (FORWARD OR BACK FUNCTIONS OPERATE NORMALLY).

3) Check for poor connections at power seat switch or seat adjuster motor assembly connectors. If connections are okay, replace power seat switch.