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Home >> GMC >> 2003 >> Safari Van Cargo, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Controls - Self-Diagnostics - 4.0L) >> Diagnostic Tests >> DTC P1372: Crankshaft Position Sensor "A" & "B" Correlation >> Test Description

Test Description

WARNING: This page is about a different car, the 2002 Oldsmobile Aurora. However, it is still accessible from the selected car via links, so may be relevant.

The numbers below refer to the step number in the diagnostic procedures.

  1. 4

    In time based "B" mode, the PCM uses CKP sensor "B" to determine engine position. An intermittent problem with CKP sensor "B" and/or related harnesses or connectors will set DTC P0385.

  2. 5

    In time based "A" mode, the PCM uses CKP sensor "A" in order to determine the engine position. An intermittent problem with CKP sensor "A" and/or the related harnesses or connectors will set DTC P0335.
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