DTC P0574: Powertrain Control Module Detects High Vehicle Speed: Testing
- If cruise control diagnostic system check has been performed, go to next step. If cruise control diagnostic system check has not been performed, perform CRUISE CONTROL DIAGNOSTIC SYSTEM CHECK under SELF-DIAGNOSTIC SYSTEM.
- Verify DTC was not stored due to icy roads, or slippery road condition. If DTC was stored due to road conditions, go to next step. If DTC was not stored due to road conditions, see DIAGNOSTIC AIDS .
- Explain system operation to customer, then clear DTC. System should operate normally at this time.