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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 398 (Engine Controls - Self Diagnostics - 4.3L) >> Diagnostic Tests >> DTC P0016: Crankshaft Position-To-Camshaft Position Correlation Error >> Description

DTC P0016: Crankshaft Position-To-Camshaft Position Correlation Error: Description

WARNING: This page is about a different car, the 2003 GMC Sierra and 2003 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

The Powertrain Control Module (PCM) supplies a 12-volt reference circuit and a low reference circuit to both the Crankshaft Position (CKP) sensor and the Camshaft Position (CMP) sensor. The CKP sensor sends a signal to the PCM with each revolution of the crankshaft. The CMP sensor sends a signal to the PCM with each revolution of the camshaft. This Diagnostic Trouble Code (DTC) monitors the CKP signal and the CMP signal to determine if they are synchronized. If both signals are not observed by the PCM within a narrow period of time, the PCM will determine that an error has occurred and DTC P0016 will set.

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