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Home >> Mazda >> 2016 >> 6 Touring, Standard Trans >> Repair and Diagnosis (Single Page) >> Brakes >> Anti-Lock Brakes >> On-Board Diagnostics [Dynamic Stability Control] >> DTC U0301-00; U0401-00: Abnormal Message From Pcm >> Diagnostic procedure

Diagnostic procedure

STEP INSPECTION ACTION
1 VERIFY PCM DTC 
Yes Go to the applicable DTC inspection.
(See DTC TABLE [SKYACTIV-G 2.5] .)
DTC troubleshooting completed, then go to the next step
No Go to the next step.
2 VERIFY DTC TROUBLESHOOTING COMPLETED 
Yes Repeat the inspection from Step1.
If the malfunction recurs, replace the PCM, then go to the next step.
(See PCM REMOVAL/INSTALLATION [SKYACTIV-G 2.5] .)
No Go to the next step.
3 VERIFY NO DTC IS PRESENT 
  • Are any DTCs present?
Yes Go to the applicable DTC inspection.
(See DTC TABLE [DYNAMIC STABILITY CONTROL (DSC)] .)
No DTC troubleshooting completed.