As the title said, I experienced something strange yesterday on my way home. I was picking up my kids from school which was about 3-4 miles from home. I strapped them into their seats, proceeded with normal routines. Started up the car, backed out of the parking space, and proceeded to leave the parking lot. That was when the problem occurred. The ABS light, airbag light, brake light, traction light all lit up on the dash. Then the A/C, radio, speedometer, central info display, nav all shut down. The engine was still running, the tachometer was working, the fuel gage and coolant temp gage appeared to be working as well. The doors wouldn't lock or unlock, LED DRL shut off. I was able to drive home at a slow pace with couple of loss power, probably due to the fuel pump momentarily shut off. When I got home, the homelink worked, but everything else mentioned above still wasn't working. I tried to shut the engine off with the start/stop button, no dice. I took the key out and inserted into the slot and tried to shut it off, no dice either. I was frustrated and kept on pressing the key rapidly, it shut the car off.
Got the kids out of the car, then tried to start the car up again. Everything appeared back to normal. I then plugged the VCDS to get the log. Well, every system except for sound and radio had malfunctioned. One common fault in almost all systems was "Function limitation due to over-voltage". Has anyone experienced something similar? What should I start checking? FYI, my battery is still the OEM and it's 4.5 years old now. Could the battery be on its way out?
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Originally Posted by SwankPeRFection
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