PCM/ECM sets DTC P0553 if the PCM/ECM detects signal higher than the possible range of a properly operating sensor.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Electrical Check | 1. Short to power in signal circuit 2. Open in ground circuit 3. Poor connection or damaged harness 4. Faulty A/C pressure sensor |
Enable Conditions |
•
10V < Battery voltage < 16V | |
Threshold value |
•
Signal voltage > 4.7V | |
Diagnosis Time |
•
30 sec. | |
MIL On Condition |
•
- |
