2006 GMC Canyon Left turn signal

Tiny
ROY BURCH
  • MEMBER
  • 2006 GMC CANYON
  • 4 CYL
  • 4WD
  • MANUAL
  • 84,000 MILES
I have no left signal front or back when using left signal device, I do have all hazard lights working and right turn signal. I just replaced the combo mutifuntion switch. The left turn signal worked fine until I turned on the right which worked fine and went back to the left which no longer worked. I disconnected the positive battery cable for 5 seconds and put it back on and they worked again for about 30sec. And was speratic at times put the right on again and left did n ot work again. Unhooked cable from battery again and they started working again for about 20sec and would blink speratic again, then not work at all. Unless I reboot the system again.
Saturday, November 6th, 2010 AT 7:04 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,814 POSTS
Hi Roy Burch,

The turn signals are linked to the Body Control Module and you should start with retrieving for trouble codes with a scan tool.

If there are any B codes, let me know what they are and we can proceed with diagnostics.
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Sunday, November 7th, 2010 AT 2:53 AM

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