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Home >> Mazda >> 2021 >> CX-5 Signature >> Repair and Diagnosis (Single Page) >> Body & Frame >> Door Locks >> On-Board Diagnostic - Start Stop Unit >> DTC U2050-55: Unprogrammed Remote Service Encryption Key [Start Stop Unit] >> Outline
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DTC U2050-55: Unprogrammed Remote Service Encryption Key [Start Stop Unit]: Outline

Description Unprogrammed remote service encryption key
Detection condition
  • The start stop unit detects that the remote service encryption key for the start stop unit is unprogrammed.
Fail-safe Not applicable
Possible cause
  • DTCs are stored in the instrument cluster.
  • Inappropriate start stop unit replacement procedure
  • Instrument cluster malfunction
  • Start stop unit malfunction
System wiring diagram Not applicable