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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 1692 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P0564, P0567, or P0568 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Steering Wheel Control Switch - Left

  1. Disconnect the harness connector at the steering wheel controls switch - left.
  2. Cruise control switch ON, measure the resistance between terminal 1 and terminal 3 while individually activating and holding each cruise control function switch and compare the resistance reading to the values in the table below.
    • If not within the specified resistance range, replace the steering wheel controls switch - left.
Function Switch Minimum Resistance Value Maximum Resistance Value
Off O.L. O.L.
On 7.8k Ohms 8.6k Ohms
- SET 1.2k Ohms 1.3k Ohms
+ RES 2.7k Ohms 3.0k Ohms
Cancel 1.4k Ohms 1.6k Ohms