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Home >> Mazda >> 2021 >> CX-30 Turbo Premium >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 25 (On-Board Diagnostic - Engine Control System (VIN L & VIN M) (1 Of 4)) >> DTC P0014:00 [Pcm (SKYACTIV-G (VIN 7, L (Us)))] >> Details On DTCs

Details On DTCs

WARNING: This page is about a different variant/trim than selected.
DTC P0014:00 (PCM, SKYACTIV-G, VIN 7, L, US) DETECTION CONDITION AND POSSIBLE CAUSE

Description Hydraulic variable valve timing control system: over-advanced
Detection condition Determination conditions
  • For the advance amount from the maximum exhaust valve retard position, a condition in which the actual advance amount is larger than the target value continues for a specified period of time.
Preconditions
  • Engine oil temperature: 20 °C {68 °F} or more(1)
  • Hydraulic variable valve timing control: feedback mode
  • The following DTCs are not detected:
    • P0335:00 and P0365:00
Malfunction determination period
  • 5 s period
Drive cycle
  • 2
Self test type
  • CMDTC self test
Sensor used
  • CKP sensor
  • Exhaust CMP sensor
Fail-safe function
  • Not applicable
Vehicle status when DTCs are output
  • Not applicable
Possible cause
  • OCV malfunction
    • Spool valve in OCV is stuck in advanced position
  • Low engine oil level
  • Hydraulic variable valve timing actuator malfunction
  • Timing chain malfunction
  • Poor assembly of timing chain
    • Looseness or jumping
  • Mis-detection of exhaust CMP sensor
  • Engine oil malfunction
  • Use of unspecified engine oil
  • Low engine oil pressure
    • Engine oil runners are clogged or have leakage
  • PCM malfunction
(1) Standard can be verified by displaying PIDs using M-MDS
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