DTC Troubleshooting: 91-01
EPS Control Unit DTC 91-01:
 EPS Control Unit (Problem with the CPU Communication)
  1. Turn the ignition switch to LOCK (0).
  1. Start the engine and watch the LKAS indicator.
Does the LKAS indicator come on?
YES -
Go to Step 4 .
NO -
Intermittent failure. The system is OK at this time. Check for loose or poor connections.■
Is DTC 91-01 indicated?
YES -
Check for loose or poor connections. If all connections are OK, replace the EPS control unit. ■
NO -
Troubleshoot the indicated DTC.■