how to solve error codes in ford explorer?

need toget rid of this code 646 and 632 but i do not know how?

I just checked those codes in my motor manual.There is no such codes.

632-OVERDRIVE CANCEL SWITCH CIRCUIT DOES NOT CHANGEDURING KOEO TEST. (1990 ON).646-INCORRECT GEAR RATIO OBTAINED FOR 2ND GEAR.

Best Answer

Disconnect the battery for 10 minutes and see if the codes come back. You might have to go to a dealer to clear the codes. The dealer may charge you or try to sell you a repair. Some Autozone Stores will read codes and clear them for free.

trans codes....get ready to pay... they go away when ya disconnect the battery.. but if the problem(s) persist it will come back on..

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