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Home >> Mazda >> 2023 >> MX-5 Miata Club >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> On-Board Diagnostic - Start Stop Unit >> DTC U201F-11: Keyless Receiver Circuit Malfunction [Start Stop Unit] >> Notes
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DTC U201F-11: Keyless Receiver Circuit Malfunction [Start Stop Unit]: Notes

DTC U201F:11 (START STOP UNIT) DETECTION CONDITION AND POSSIBLE CAUSE

Description Keyless receiver circuit malfunction
Detection condition
  • Start stop unit detects that the keyless receiver circuit voltage of less than 3.4 V for 0.5 s or more.
Fail-safe Not applicable
Possible cause
  • Keyless receiver connector or terminal malfunction
  • Start stop unit connector or terminal malfunction
  • Short to ground in wiring harness between start stop unit terminal 2Q and keyless receiver terminal A
  • Keyless receiver malfunction Start stop unit malfunction
G15747541Courtesy of MAZDA MOTORS CORP.