GM
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    Engine Coolant Over Temperature
Cause:
    Protect Mode Active Engine running, then the PCM detected an Engine Metal Over-Temperature condition (ECT sensor input more than 268°F)

Honda
Type:
    Powertrain - Manufacturer Controlled DTC - Manufacturer Controlled
Description:
    VTEC system malfunction
Cause:
    Wiring, VTEC solenoid/pressure switch, ECM