Join Date: Jan 2009
Location: Not necessarily Humbolt County
OC means Open Circuit. Either the sensor up under the bumper is bad, disconnected, or the wire to the mirror is open or disconnected from the mirror.
You can use an ohm meter to check the sensor.
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2005 Chevy Silverado 3500LT SRW D/A CC/LB LLY 4x4 (loaded)
LBZ MP, TxCAI, PS Cooler, stack seal, Edge Insight CTS + EGT + EOT, E837 HD Radiator + Aux Radiator w/fan, Earl's trans cooler, mass/IAT shield, LML manifold, SD rotors
NuWa Hitchhiker II LS 29.5LKTG 5th Wheel
Last edited by terryk; 01-15-2013 at 04:38 PM.