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Home >> Subaru >> 2016 >> WRX Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls (Diagnostics) (2.0L) (3 Of 4) >> DTC P1134 A/F/O2 Sensor Bank1 Sensor1 Serial Peripheral Interface (SPI) Communication >> DTC Detecting Condition

DTC P1134 A/F/O2 Sensor Bank1 Sensor1 Serial Peripheral Interface (SPI) Communication: DTC Detecting Condition

CAUTION: After servicing or replacing faulty parts, perform Clear Memory Mode < Ref. to OPERATION , Clear Memory Mode. >, and Inspection Mode < Ref. to PROCEDURE , Inspection Mode. >.
DIAGNOSTIC PROCEDURE

Step Check Yes No
1 CHECK FOR ANY OTHER DTC ON DISPLAY.  Is any other DTC displayed? Check the appropriate DTC using the "List of Diagnostic Trouble Code (DTC)". < Ref. to LIST OF DIAGNOSTIC TROUBLE CODE (DTC) . > Replace the ECM. < Ref. to ENGINE CONTROL MODULE (ECM) . >