DTC P0550: Notes
DTC P0550 DETECTION CONDITION AND POSSIBLE CAUSES
| DTC P0550 |
PSP switch circuit malfunction |
| DETECTION CONDITION |
- The PCM monitors PSP switch signal. If input voltage is low voltage (switch stays on) for 1 min
, when the VSS is above 60 km/h {37 mph}
and ECT is above 60°C {140°F}
, the PCM determines that PSP switch circuit has a malfunction.
Diagnostic support note
- This is a continuous monitor (CCM).
- MIL illuminates if PCM detects above malfunction condition in two consecutive drive cycles or in one drive cycle while DTC for the same malfunction has been stored in PCM.
- PENDING CODE is available if PCM detects the above malfunction condition during first drive cycle.
- FREEZE FRAME DATA is available.
- DTC is stored in PCM memory.
|
| POSSIBLE CAUSE |
- PSP switch malfunction
- Connector or terminal malfunction
- Short to ground in wiring harness between PSP switch terminal A and PCM terminal 2T
- PCM malfunction
|
 Courtesy of MAZDA MOTORS CORP.
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