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Home >> Chevrolet >> 2013 >> Traverse LT, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 8 (Lighting System) >> Diagnostic Information and Procedures >> DTC B3948 or B3949 >> Circuit/System Verification
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Circuit/System Verification

WARNING: This page is about a different car, the 2010 Cadillac SRX. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition ON, with the turn signal switch in the left position, observe the function of the E4LF turn signal lamp-left front and the E4Y turn signal repeater lamp-left. Each lamp should flash ON and OFF.
  2. With the turn signal switch in the right position, observe the function of the E4RF turn signal lamp-right front and the E4Z turn signal repeater lamp-right. Each lamp should flash ON and OFF.
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