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Home >> Mazda >> 2014 >> 3 SV, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (On-Board Diagnostic - Automatic Transaxle) >> DTC U0115: 00 Communication Error To Pcm (Local Can Between TCM And Pcm) >> Diagnostic Procedure

Diagnostic Procedure

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DTC U0115:00 (FW6A-EL) - DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA/SNAPSHOT DATA HAS BEEN RECORDED 
  • Has the freeze frame data/snapshot data been recorded on the repair order?
Yes Go to the next step.
No Record the freeze frame data/snapshot data on the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Verify related Service Bulletins and/or on-line repair information availability.
  • Is any related repair information available?
Yes Perform repair or diagnosis according to the available repair information.
  • If the vehicle is not repaired, go to the next step.
No Go to the next step.
3 VERIFY PCM DTC 
Yes Go to the applicable DTC inspection.
(See DTC TABLE [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
No PCM can be considered the cause.
4 VERIFY DTC TROUBLESHOOTING COMPLETED 
Yes Replace the control valve body, then go to the next step.
(See CONTROL VALVE BODY REMOVAL/INSTALLATION .)
No Go to the next step.
5 VERIFY NO DTC IS PRESENT 
  • Are any DTCs present?
Yes Go to the applicable DTC inspection.
(See ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE .)
No DTC troubleshooting completed.