How do you fix a p-0650 obd ii code on a great wall hover with 2.8 turbo diesel engine?

A P0650 OBD II code indicates a malfunction in the check engine light (CEL) circuit. To fix this issue on a Great Wall Hover with a 2.8 turbo diesel engine, start by inspecting the wiring and connections to the instrument cluster and the CEL bulb for any damage or loose connections. If the wiring is intact, test the bulb itself and replace it if necessary. Finally, clear the code with an OBD-II scanner and see if it reappears; if it does, further diagnostic testing of the engine control module (ECM) may be necessary.