Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2010 Infiniti M45 BaseFACTORY OEM SERVICE PROCEDURE
P1550 - P1574
DTC REFERENCE CHART
| DTC(1) | Items (CONSULT-III screen terms) | Reference | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| CONSULT-III GST(2) | ECM(3) | ||||||||||
| P1550 | 1550 | BAT CURRENT SENSOR | |||||||||
| P1551 | 1551 | BAT CURRENT SENSOR | |||||||||
| P1552 | 1552 | BAT CURRENT SENSOR | |||||||||
| P1553 | 1553 | BAT CURRENT SENSOR | |||||||||
| P1554 | 1554 | BAT CURRENT SENSOR | |||||||||
| P1564 | 1564 | ASCD SW | (Models with ICC) DTC P1564 ASCD STEERING SWITCH (Models with ASCD) |
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| P1568 | 1568 | ICC COMMAND VALUE(4) | |||||||||
| P1572 | 1572 | ASCD BRAKE SW | (Models with ICC) DTC P1572 ASCD BRAKE SWITCH (Models with ASCD) |
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| P1574 | 1574 | ASCD VHL SPD SEN | (Models with ICC) DTC P1574 ASCD VEHICLE SPEED SENSOR (Models with ASCD) |
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Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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