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January 30, 2018 Service bulletin

6MT models only.

Subaru technical service bulletin 11-178-18 for 2018 Subaru WRX.

Bulletin number
11-178-18
Component
Steering: gear box (other than rack and pinion)
Summary
6MT MODELS ONLY. This bulletin announces availability of ECM reprogramming files to optimize the ECM with improved diagnostic logic for DTC P0852 (Park/Neutral Switch Input Circuit High) detection. If the shifter is moved too fast, the gear change may not be properly detected by the ECM causing the P0852 to set.

Owners of these vehicles have filed 7 complaints in the steering category.

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