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Home >> Subaru >> 2015 >> Forester 2.0XT Touring >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostics) (H4DOTC) >> Diagnostic Procedure with Diagnostic Trouble Code (DTC) >> DTC P1134: A/F Sensor Micro-Computer Problem >> DTC Detecting Condition
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DTC P1134: A/F Sensor Micro-Computer Problem: 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. >.
DTC 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) . >