Code Definition

P1574 — Cruise control vehicle speed sensor circuit fault

System: Powertrain  |  Type: Manufacturer-Specific  |  Make: Nissan

About P1574

P1574 is a manufacturer-specific powertrain diagnostic trouble code recorded for Nissan vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P1574 is stored, the module has detected a sensor-related fault — the reported value from the named sensor is out of spec.

Scanning & clearing: A generic OBD-II scan tool will usually read and clear powertrain (P) codes. For live data, freeze-frame capture, and bi-directional tests you may need a more capable scan tool that supports the vehicle's ECM protocol.

P1574 is a manufacturer-specific code. The same code string on a different make may have a different meaning. Always confirm the code's definition against the vehicle's service information for the specific make and model under test.

Code Information

The cruise control system on Nissan vehicles relies on a vehicle speed signal to maintain the set speed, and on many systems the ASCD or cruise control unit compares the vehicle speed sensor signal against another speed source such as the ABS wheel speed data. DTC P1574 sets when the control module detects a fault or implausible difference in the vehicle speed sensor signal used by cruise control, for example the two speed sources disagree or the signal drops out. When this code is set, cruise control will usually not operate or will cancel, and the speedometer may also be affected depending o...

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