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Home >> Mazda >> 2016 >> 3 Sport, 4D Hatchback, Automatic Trans >> Repair and Diagnosis >> Transmission >> Transmission Control Systems >> On-Board Diagnostics - Transmission Control System >> DTC U0442-00: Invalid Data Received From Pcm (Local Can Between TCM And Pcm) >> Diagnostic Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Diagnostic Procedure

STEP INSPECTION ACTION
1 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.
2 VERIFY PCM DTC 
Yes Go to the applicable DTC inspection.
(Refer to DTC TABLE [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
No Go to the next step.
3 VERIFY DTC TROUBLESHOOTING COMPLETED 
Yes Go to the applicable DTC inspection.
(Refer to ON-BOARD DIAGNOSTIC SYSTEM DTC TABLE [FW6A-EL] .)
No DTC troubleshooting completed.