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2011 silverado right turn signal inoperable


casale33

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Posted

left trn signal works front /rear and in dash .. hazards work .. fuses are all good in i/p and steering column switch is ok ..when i turn right signal on nothing lights or sounds, negative signal from switch to bcm seems to be good but not getting 12 volts to line side of fuse #8 . could this bcm be faulty? its out of warranty and any help would be appreciated thanks

Posted

I know there's a separate under-hood fuse for L & R side running lights, so I assume there is for t/s as well.

Posted

rt stop trn fuse in instrument panal fuse block

 

 

have the BCM scanned for codes if fuse is good is my suggestion

Posted

left trn signal works front /rear and in dash .. hazards work .. fuses are all good in i/p and steering column switch is ok ..when i turn right signal on nothing lights or sounds, negative signal from switch to bcm seems to be good but not getting 12 volts to line side of fuse #8 . could this bcm be faulty? its out of warranty and any help would be appreciated thanks

i scanned the bcm for faults there was none ,double checked all fuses again , and connections any other ideas thanks

Posted

Do they still have flasher relays? I'm sure that's computer-controlled too ....

 

Back in the day this would've been a slam-dunk.

 

Check all wiring to that side for any damage .

 

Any aftermarket lights? If so, check those out real good as well.

Posted

if you have a schematic and know what connector of the bcm ,power up the right signal wire,(disconnected from BCM) and light the bulbs ,if they work you have to find out thru a scanner that the switch input to the BCM is being recognized,,,if the switch input is recognized the BCM is not doing its job because you have an input and good wires to lamps

 

it may need a reprogram,who knows

 

if you cant do that ,,,you have to take it in ,,sry but thats all she wrote

Posted

i scanned the bcm for faults there was none ,double checked all fuses again , and connections any other ideas thanks

ok will do thanks guys

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