DTC 56

DTC 50 to 62: Central Processing Unit (CPU)
1. Clear the DTC using the HDS.
2. Start the engine.
3. Wait at least 10 seconds.
Does the EPS indicator come on?
YES - Go to step 4.
NO - Check for loose wires or poor connections. If the connections are good, the system is OK at this time.

4. Verify the DTC.
Is DTC 50 to 62 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.