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May 10, 2017 Service bulletin

This technical bulletin provides a procedure to reprogram the ECM to correct the condition of DTC P0336...

Buick technical service bulletin 17-NA-156 for 2017 Buick Lacrosse and 2017 Cadillac XT5.

Bulletin number
17-NA-156
Component
Engine and engine cooling: exhaust system: emission control: crankcase (PCV)
Summary
This technical bulletin provides a procedure to reprogram the ECM to correct the condition of DTC P0336 Crankshaft Position Sensor Performance due to sensor concerns.

Owners of these vehicles have filed 29 complaints in the engine category.

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