DTC P0601-00: Pcm Memory Check Sum Error: Notes
DETECTION CONDITION AND POSSIBLE CAUSE
| DTC P0601:00 |
PCM memory check sum error |
| DETECTION CONDITION |
- PCM internal memory check sum error.
Diagnostic support note
- This is a continuous monitor (CCM).
- The check engine light illuminates if the PCM detects the above malfunction condition during the first drive cycle.
- FREEZE FRAME DATA (Mode 2)/Snapshot data is available.
- The DTC is stored in the PCM memory.
|
| FAIL-SAFE FUNCTION |
- Restricts the upper limit of the engine speed.
- Stops the idle air control.
- Stops the drive-by-wire control and sets throttle valve opening to a necessary angle for minimum driveability.
|
| POSSIBLE CAUSE |
- PCM connector or terminals malfunction
- PCM internal memory malfunction
|
| SYSTEM WIRING DIAGRAM |
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