Conditions for Setting the DTC
WARNING: This page is about a different car, the 2005 Buick LaCrosse and 2005 Buick Allure. However, it is still accessible from the selected car via links, so may be relevant.
- The ECM does not detect a signal from the CKP sensor.
OR
- The ECM does not recognize 6 or more reference pulses after the CKP signal is received.
- Either condition exists for more than 4 seconds.