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Home >> Buick >> 2017 >> LaCrosse Base >> Repair and Diagnosis (Single Page) >> Electrical >> Body Electrical >> Diagnostic Information And Procedures >> Diagnostic Information and Procedures >> DTC P17B5: Transmission Range Control Module Ignition Switch Accessory Position >> Circuit/System Verification

Circuit/System Verification

  1. Verify DTC U1814 or U2099 is not set.
    • If none of the DTCs are set 
  2. Refer to Circuit/System Testing.
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