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Home >> Mazda >> 2017 >> MX-5 Miata Club, Automatic Trans >> Repair and Diagnosis >> Body & Frame >> Door Locks >> On-Board Diagnostic - Retractable Fastback Control Module >> DTC B1DA4-29; Incorrect Front Roof Position >> Notes
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DTC B1DA4-29; Incorrect Front Roof Position: Notes

Description Incorrect front roof position
Detection condition
  • The retractable fastback control module detects an incorrect front roof position.
Fail-safe
  • Stops retractable fastback operation
Possible cause
  • Short to ground in wiring harness between the following terminals:
    • Retractable fastback control module terminal 4B and front roof link limit switch (RH) terminal A
    • Retractable fastback control module terminal 4C and front roof link limit switch (RH) terminal B
  • Retractable fastback control module malfunction
  • Front roof link limit switch (RH) malfunction
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