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DTC Detection Logic
DTC DETECTING CONDITION CHART
| DTC No. |
Trouble diagnosis name |
DTC detecting condition |
Possible cause |
| P1551 |
Battery current sensor circuit low input |
An excessively low voltage from the sensor is sent to ECM. |
- Harness or connectors
(Battery current sensor circuit is open or shorted.)
[Crankshaft position sensor (POS) circuit is shorted.]
(Power steering pressure sensor circuit is shorted.)
(Accelerator pedal position sensor circuit is shorted.)
(Refrigerant pressure sensor circuit is shorted.)
- Battery current sensor
- Crankshaft position sensor (POS)
- Power steering pressure sensor
- Accelerator pedal position sensor
- Refrigerant pressure sensor
|
| P1552 |
Battery current sensor circuit high input |
An excessively high voltage from the sensor is sent to ECM. |