Toyota camry 1999 P1780 code?

jjiang12

New member
Toyota camry 1999. In the night both of the rear light failure Indicator and the 'R' square light turned on the dash even if I drove in D position. Then I shut off engine. After turning on engine again I found the check engine light turned on the dash also. My car had a brake service ( changed pads and driver side caliper) the previous day.

Today I went to Autozone and got P1780 code. It is a Park/Neutral POSION SWITCH MALFUNCTION signal.

Does the P1780 code have anything to do with the brake service? Does this problem have safety issue? Should i repair it immediately?
 
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