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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Controls And Fuel - 3.6L (LF4 LGX) - DTC P0121 LF4 To DTC P0685 LF4) >> Diagnostic Information and Procedures >> DTC P034A or P034B: Crankshaft Position Sensor >> Conditions for Setting the DTC

Conditions for Setting the DTC

WARNING: This page is about a different car, the 2016 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

P034A 

Condition 1 

The difference between the memorized and actual crankshaft position was greater than2 reluctor ring teeth during 2autostart events in one ignition cycle.

Condition 2 

The difference between the memorized and actual crankshaft position was greater than 1 reluctor ring teeth during 4 autostart events in one ignition cycle.

P034B 

The direction of rotation of the crankshaft has changed more than 3 times within 10 s.

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