Details On DTCs
WARNING: This page is about a different variant/trim than selected.
P0234-00: (PCM - VIN Y) DETECTION CONDITION AND POSSIBLE CAUSE
| System malfunction location |
Dynamic pressure turbo overboost condition |
| Detection condition |
Determination conditions |
- As the result of comparing the actual air charging pressure with the limited pressure, the actual air charging pressure exceeds the limited air charging pressure.
|
| Preconditions |
- 2 s have elapsed with all of the following conditions met during boost control feedback.
- Engine speed: 500 rpm or more
- The following DTCs are not detected:
- Boost pressure sensor: P0237:00 and P0238:00
- BARO sensor: P2228:00 and P2229:00
|
| Drive cycle |
|
| Self test type |
|
| Sensor used |
|
| Fail-safe |
- Limits intake air amount. (Only period of time when PCM determines that air is excessively boosted)
|
| Vehicle status when DTCs are output |
|
| Possible cause |
- Erratic signal to PCM
- MAP sensor signal malfunction
- Input signal part connector or terminals malfunction
- Input signal part related circuit malfunction
- Vacuum piping or positive pressure piping of wastegate valve actuator malfunction
- Air bypass valve malfunction
- Wastegate valve position sensor malfunction
- Wastegate valve actuator malfunction
- Dynamic pressure turbo malfunction
- PCM malfunction
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