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Home >> Buick >> 2014 >> Verano Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 64 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P0580 or P0581 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2012 Buick Verano. However, it is still accessible from the selected car via links, so may be relevant.

Static Test

  1. Ignition OFF, disconnect the harness connector at the S70L steering wheel controls switch - left.
  2. Cruise control switch ON, test for the following resistance values between the S70L steering wheel controls switch - left terminal 1 and terminal 3 while activating the following cruise control button functions:
    • Cruise control switch OFF, resistance should be infinite.
    • No cruise control button pressed (switch at rest), resistance should be approximately 6.5-7.1k Ω.
    • Cruise Set/Acceleration button (I), resistance should be approximately 2.2-2.4k Ω.
    • Cruise Resume/Coast button (R), resistance should be approximately 3.7-3.9k Ω.
    • Cruise Cancel button (0), resistance should be approximately 1.4-1.6k Ω.
      • If any of the resistance values are not within the specified range, replace the S70L steering wheel controls switch - left.
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