Car Won't Start - Automatic Shifter Out of Alignment with Neutral Safety Switch

Transmissionintermediate✓ OP Confirmed

Problem

Automatic transmission Supra would not start because the neutral safety switch was not receiving the correct signal from the shifter, despite the shifter being in park

Car will not start (no crank)Neutral safety switch not getting power signalShifter position not being recognized as Park or Neutral by the transmission

Root Cause

The automatic shifter was out of alignment due to worn shifter bushings, causing the neutral safety switch on the transmission to not recognize the shifter was in Park. The mechanical linkage between the shifter and the NSS was not properly corresponding to the actual shifter position.

Confidence

Moderate confidence — Original poster confirmed this resolved the issue

View Original Thread →Posted December 2011 on SupraForums.com