Driver side turn signal not working

 · Discussion Starter · #1 · . My left rear turn signals stopped working recently so I did the easy. thing first and replaced the bulbs. This made no difference. The tail. lights work but not the turn signal. The left front flashes rapidly. and the right side signals work so I figure it's not the flasher unit.  · Drivers side turn signals stopped working, silverado , all fuses are good, all bulbs are good. what caused - Answered by a verified Chevy Mechanic. We use cookies to give you the best possible experience on our website.  · F Platinum. The rear brake light and turn signal is not working on the driver side. I have replaced the bulbs and the connectors but to no avail. I checked the fuses and they are fine as well. When I take my electronic key and unlock the truck the driver rear lights will not light up but when I lock the doors it does light up in the back.

Check for power and ground at the turn and brake light sockets. I suspect in your case you will have a good ground but you won’t have any power. If you discover there is a bad ground, this will be the simplest repair. The power side of these lamp circuit is from the BCM. DIAGNOSE – THE TURN SIGNALS DON’T WORK OR DON’T WORK PROPERLY By Carl O’Reilly. SYMPTOM SUMMARY The turn signals do not flash or they may flash in only one position or one side may remain on constantly with the switch in the off position. USUAL CAUSE The turn signals use a flasher unit that acts as a repetitive circuit breaker. This unit makes then breaks the electrical circuit that turns on the turn signal bulbs. In your model the turn signal flashing is controlled via the body control module installed under the dash on the passenger side. This module is what feeds power to the turn signals and pulses it so that they flash and with all of the drivers side lights being out i suspect that your body control module has failed unfortunately.

May I checked all the bulbs, they all worked, but the driver side turn signals and emergency flashers do not work. I replaced all 6 amber bulbs, no. Dec This one is inside the cabin, on the driver side left side. There's a cover that easily pulls away, but it only really reveals the fuses on the. Jan Cayenne / - Turn signal not working. www.doorway.rud on floor on driverside) for two mins. and everything is back to normal.