One problem related to underhood wiring has been reported for the 2002 Chevrolet Impala. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2002 Chevrolet Impala based on all problems reported for the 2002 Impala.
My car started a sound in the wiring such as a popping sound as if the wires are grounding out then something smell smoke then it started not cracking and I couldn't figure out way I thought it was the battery replaced it then wouldn't start again after I was told it was the battery the dash reads security on it this happen to my car my friends car and my husbands cousins car they are all Impalas all in 2002 I have also spoke to other people with them same problem want start reads security on dash wires ground out and hear popping sound and the battery drains from the head lights not turning of or security reads and the lights flash its broken down in my yard no one around hear really knows the problem they say its the security my husband believes its the wiring and it grounds out causing things to happen.