annakoch98

Cavalier Tail Lights Randomly On

Experiencing an intermittent lighting fault with my 2019 Chevrolet Cavalier, gasoline engine. The tail lights switch on randomly, and an error is stored. Diagnostics point to a defective cable or plug connection. Anyone seen this before?

A 2019 Chevrolet Cavalier is experiencing an issue where the tail lights turn on randomly, even when the car is off. Diagnostics suggest a defective cable or plug connection. A similar problem was resolved by replacing a faulty automotive switch, leading to the recommendation to replace the light switch to potentially fix the issue.

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4 comment(s)

Sounds familiar. I had a similar gremlin in my Cavalier, though the dashboard lights were also flickering. Have you checked the fuse box? Seems like you already did. But just in case, do the lights work when you manually turn them on with the headlight switch?

Yes, the headlight switch operates the lights normally. The issue arises when the switch is in the 'off' position, or when the car is locked. Was your issue resolved by addressing the fuse box or a specific wiring harness?

Mine was a dodgy automotive switch. If the headlight switch works okay, then the issue probably isn't the fuse box. The switch is probably kaput. I would bring the car to the workshop. Time is money, as they say.

Thank you for the insight. Based on your experience and the diagnostic report, I will proceed with replacing the light switch. Repair is estimated at 95€. Your shared experience is appreciated.

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CHEVROLET

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CAVALIER