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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 27 (On-Board Diagnostic - Engine Control System (VIN L & VIN M) (3 Of 4)) >> DTC P151B:00 [Pcm (SKYACTIV-G (Us))] >> Outline

DTC P151B:00 [Pcm (SKYACTIV-G (Us))]: Outline

WARNING: This page is about a different variant/trim than selected.
DTC P151B:00 (PCM, SKYACTIV-G, US) DETECTION CONDITION AND POSSIBLE CAUSE

System malfunction location IAC system problem
Detection condition
  • The PCM cannot control the idle speed toward the target idle speed during the KOER self test.
Fail-safe
  • Not applicable
Possible cause
  • A/C magnetic clutch malfunction
  • Drive-by-wire control system malfunction
  • Malfunction in injection amount measurement system (refer to DTC P0101:00)
  • Purge solenoid valve malfunction
  • Air cleaner element restricted
  • Throttle body passage blockage
  • Engine malfunction
    • Insufficient engine compression
  • Generator control circuit malfunction
  • PCM malfunction
System wiring diagram
  • Not applicable
Connector diagram
  • Not applicable