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Diagnostic procedure

WARNING: This page is about a different car, the 2005 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
DTC U0073 - DIAGNOSTIC PROCEDURE

STEP INSPECTION ACTION
1 VERIFY FREEZE FRAME DATA HAS BEEN RECORDED 
  • Has FREEZE FRAME DATA been recorded?
 Yes Go to the next step.
No Record the FREEZE FRAME DATA on the repair order, then go to the next step.
2 VERIFY RELATED REPAIR INFORMATION AVAILABILITY 
  • Check for related Service bulletins and/or on-line repair information availability.
  • Is any repair information available?
 Yes Perform repair or diagnosis according to the available repair information.
  • If vehicle is hot repaired, go to the next step.
No Go to the next step.
3 VERIFY DTC U0073 DETECTED AGAIN 
  • Clear DTC from memory using WDS or equivalent.
  • Turn ignition switch to OFF, then start engine.
  • Is same DTC present?
 Yes Replace the TCM, then go to the next step.
(See TCM REMOVAL/INSTALLATION .)
No Go to the next step.
4 VERIFY AFTER REPAIR PROCEDURE  Yes Go to the applicable DTC inspection.
(See DTC TABLE .)
No Troubleshooting completed.
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