Parts for your 2022 Subaru Xv-Crank angle sensor

2022 Subaru XV crank angle sensor: what it does and when to replace it

Is a crank angle sensor used on the 2022 Subaru XV? Yes. Technical references including the Subaru Service Manual for the FB20 engine (2018–2022), Subaru’s Technical Information System (STIS), and the factory diagnostic coverage for DTCs P0335–P0339 confirm the XV/Crosstrek platform uses a crankshaft position sensor—commonly called a crank angle sensor. It’s a core input the ECU relies on for engine speed and exact crank position.

On the 2022 XV, the crank angle sensor reads a toothed reluctor on the crankshaft and feeds the ECU with precise “where the crank is now” data. That info lets the ECU time fuel injection and spark perfectly, enables quick starts, smooth idle, clean emissions, and coordinates with cam sensors for variable valve timing. If the sensor fails outright, the engine typically won’t start, if it’s going out of spec, drivers may notice hard starting, random stalling, or an engine light with P0335-type faults.

It’s not a scheduled replacement item in Australia or New Zealand, but it’s worth a visual check at major services—especially on XVs that see gravel, beach runs, or muddy tracks. Make sure the connector is clean and clipped in, and that the loom hasn’t rubbed through. Avoid blasting the area with a pressure washer and keep metal filings away from the sensor tip.

When replacement is needed, a scan with live data helps confirm the issue—look for a missing or erratic RPM signal while cranking. Also inspect the crank reluctor ring (where accessible) and rule out wiring faults. Replacement is straightforward: disconnect the battery, unplug the sensor, remove the retaining bolt, swap in the new unit with a fresh O-ring lightly lubricated, and tighten to the service manual torque. Clear codes and verify a solid RPM signal and clean start. No special relearn is usually required on FB-series engines, but always follow Subaru procedures.

A quality genuine or OEM-equivalent sensor is recommended for reliability and signal accuracy. Most workshops will have it done in under an hour. If the XV is the e-BOXER hybrid, the same sensor still matters—engine starts and handover between electric assist and petrol rely on stable crank angle data.

• Common symptoms: hard starting, intermittent stall, rough running, no tach movement while cranking, MIL on (P0335–P0339).
• Tech tip: poor grounds and tired batteries can mimic sensor faults—check basics first.

FAQs

Where is the crank angle sensor on a 2022 Subaru XV?
The sensor is mounted on the engine block facing the crankshaft reluctor wheel. On FB-series engines it’s low on the block with a single retaining bolt and a two-pin connector. Access varies slightly by model, most techs reach it from above or below with the undertray off.

What are the signs of a failing crank angle sensor?
Hard starting, random stalls at idle or when hot, rough running, and an engine light with codes like P0335 are classic. A scan tool may show no RPM signal during crank. Because wiring faults can mimic the same symptoms, an inspection of the connector and harness is a must.

Does the e-BOXER hybrid XV still use a crank angle sensor?
It does. Even with electric assist, the petrol engine needs exact crank position for spark and fuel control. The hybrid system also relies on a clean crank signal for smooth engine start-stop transitions.