DTC Troubleshooting: 50, 51

DTC 50:  EPS Control Unit Internal Circuit (CPU or Microcomputer)
  
  

1.Clear the DTC.

2.Start the engine.

Does the EPS indicator come on?


YES - Go to 3.


NO - The system is OK at this time.n


3.Stop the engine, and verify the DTC.

Is DTC 50 or 51 indicated?


YES - Check for loose EPS control unit connectors. If necessary, substitute a known-good  EPS control unit and recheck.n


NO - Perform the appropriate troubleshooting for the code indicated.n