Code Definition

P1145 — Right side Camshaft position actuator or sensor fault

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

About P1145

P1145 is a manufacturer-specific powertrain diagnostic trouble code recorded for Infiniti vehicles. It belongs to the P-prefix family of codes, which covers engine, transmission, emissions, or fuel-system faults.

When P1145 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.

P1145 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

This code applies to the camshaft position monitoring and valve timing actuation on the right side cylinder bank of these Nissan and Infiniti engines. The Engine Control Module (ECM) reads a camshaft position sensor to know the actual camshaft position and drives the valve timing control actuator to advance or retard it. DTC P1145 sets when the ECM detects a fault with either the right side camshaft position sensor signal or the timing control actuator response, for example a missing or erratic cam signal or the cam failing to reach the commanded phase angle. Symptoms can include rough idle, h...

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