LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2024 >> MX-5 Miata Club >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic - Telematics Communication Unit >> DTC U2050-55: Unprogrammed Remote Service Encryption Key
September 30: LEMON manuals is back up on a temporary server! Slowness is possible

DTC U2050-55: Unprogrammed Remote Service Encryption Key

U2050-55: (TCU) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location Unprogrammed remote service encryption key
Detection condition
  • The telematics communication unit detects that the remote service encryption key for the telematics communication unit is unprogrammed.
Fail-safe
  • Not applicable
Possible cause
  1. DTCs are stored in the body control module (BCM). (See DTC TABLE [BCM] .)
  2. Inappropriate telematics communication unit replacement procedure (Refer to TELEMATICS COMMUNICATION UNIT REMOVAL/INSTALLATION in service information.)
  3. Body control module (BCM) malfunction (Refer to BODY CONTROL MODULE (BCM) INSPECTION in service information.)
  4. Telematics communication unit malfunction (Refer to TELEMATICS COMMUNICATION UNIT REMOVAL/INSTALLATION in service information.)
Repeatability verification procedure
  1. Clear the DTC recorded in the memory. (See CLEARING DTC .)
System wiring diagram
  • Not applicable