Details On DTCs
WARNING: This page is about a different car, the 2020 Mazda CX-30. However, it is still accessible from the selected car via links, so may be relevant.
DTC P0014:00 (PCM, SKYACTIV-G, (VIN M) WITH CYLINDER DEACTIVATION, 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:
*1
: Standard can be verified by displaying PIDs using M-MDS |
| Malfunction determination period |
|
| Drive cycle |
|
| Self test type |
|
| Sensor used |
- CKP sensor
- Exhaust CMP sensor
|
| Fail-safe function |
|
| Vehicle status when DTCs are output |
|
| Possible cause |
- OCV for hydraulic variable valve timing system malfunction
- Spool valve in OCV for hydraulic variable valve timing system is stuck in advanced position
- Low engine oil level
- Hydraulic variable valve timing actuator malfunction
- Timing chain malfunction
- Poor assembly of timing chain
- 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
|