LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 2009 >> MX-5 Miata SV >> Repair and Diagnosis >> Engine Performance >> System >> On-Board Diagnostic [Engine Control System LF 2.0L) >> DTC B1342 [LF] >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

DTC B1342 [LF]: Notes

DTC B1342 (LF) DETECTION CONDITION AND POSSIBLE CAUSE

DTC B1342 PCM malfunction
DETECTION CONDITION 
  • Malfunction in the PCM internal circuit.

Diagnostic support note 
  • The MIL does not illuminate.
  • FREEZE FRAME DATA (Mode 2/Mode 12) is not available.
  • The DTC is not stored in the PCM memory.
POSSIBLE CAUSE 
  • PCM internal malfunction