DTC Troubleshooting: 158
DTC 158:
 ECU Software Reprogramming
  1. Turn the ignition switch to LOCK (0), then turn it to ON (II) again.
  1. Check for DTCs with the HDS.
Is DTC 158 indicated?
YES -
Check for loose terminals in the VSA modulator-control unit 47P connector. If necessary, substitute a known-good VSA modulator-control unit, and retest.■
NO -
The system is OK at this time.■