GM Service Manual Online
For 1990-2009 cars only

Cause

Action

The detent, return or canceling spring is broken, missing, or out of position.

Replace the turn signal switch.

The switch mounting screws are loose.

Tighten the screws to the specified torque. Refer to Fastener Tightening Specifications .

The turn signal switch is broken.

Replace the turn signal switch.

The canceling cam to canceling spring interference is uneven.

  1. Inspect the canceling cam and the switch.
  2. Replace the damaged parts.