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Home >> Chevrolet >> 2013 >> Impala LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 388 (Cruise Control System) >> Diagnostic Information and Procedures >> DTC P0575 >> Circuit/System Verification

Circuit/System Verification

WARNING: This page is about a different car, the 2008 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
IMPORTANT: Verify that B3794 is not set as current or history before performing this diagnostic. If B3794 is set as current or history, refer to DTC B3794 .
  1. Engine ON, observe the scan tool Cruise Control Switch parameter in the BCM while pressing the cruise control switch ON and OFF. The reading should change between ON and OFF.
  2. Test drive the vehicle and attempt to engage cruise. Verify that cruise control engages properly and that DTC P0575 is only set as a history code.
    • If cruise control does not engage and DTC P0575 sets as current, replace the BCM.
  3. If the cruise control system tests normal, clear all codes. The vehicle is OK, do not replace the ECM or BCM.
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