DTC 50

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 step 3.
NO - Check for loose wires or poor connections. If the connections are good, the system is OK: at this time.
3. Stop the engine, and verify the DTC.
Is DTC 50 indicated?
YES - Check for loose EPS control unit connectors. If necessary, substitute a known-good EPS control unit and recheck.
NO - Perform the appropriate troubleshooting for the code indicated.