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Home >> Chevrolet >> 2018 >> Trax Premier, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 10 (Engine Controls And Fuel - 1.4L (LE2) - Diagnostic Information And Procedures (P0325-P2635) And Symptoms) >> Diagnostic Information and Procedures >> DTC P034A or P034B >> Circuit/System Description

Circuit/System Description

WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

These DTCs are used to verify that the crankshaft position has been detected correctly and to monitor the number of crankshaft reversals detected from the bi-directional crankshaft position sensor during an auto-start event.