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DTC U0127-00: Communication Error To Start Stop Unit (TPMS): Notes

DTC U0127:00 (INSTRUMENT CLUSTER, DIRECT TIRE PRESSURE MONITORING SYSTEM) DETECTION CONDITION AND POSSIBLE CAUSE

DTC U0127:00 Communication error to start stop unit
DETECTION CONDITION
  • Communication error to start stop unit is detected.
FAIL-SAFE FUNCTION
POSSIBLE CAUSE
  • Start stop unit connector or terminal malfunction
  • Instrument cluster connector or terminal malfunction
  • Short to ground in wiring harness between instrument cluster terminal 1X and start stop unit terminal 1Q
  • Short to power supply in wiring harness between instrument cluster terminal 1X and start stop unit terminal 1Q
  • Open circuit in wiring harness between instrument cluster terminal 1X and start stop unit terminal 1Q
  • Start stop unit malfunction
  • Instrument cluster malfunction
G13698854Courtesy of MAZDA MOTORS CORP.