Parts for your 2015 Honda Odyssey-Camshaft sensor

2015 Honda Odyssey Camshaft Sensor: What It Does and How to Look After It

Technical references confirm the 2015 Honda Odyssey is fitted with a camshaft position sensor (CMP). The Honda Factory Service Manual and OBD‑II diagnostics list faults such as P0340 and P0341 for the Odyssey’s CMP circuit, and the Honda Electronic Parts Catalogue shows the sensor for both common engines of this model year. Depending on market and variant, the 3.5‑litre V6 (J35) typically uses two CMP sensors (Bank 1 and Bank 2), while the 2.4‑litre four‑cylinder (K24) uses one. So yes, the camshaft sensor is absolutely relevant to this vehicle.

The camshaft sensor keeps the engine’s timing on song by tracking camshaft position and speed. The ECU uses that info to sync fuel injection and spark, run i‑VTEC/VTC properly, and keep cold starts clean and quick. If the sensor signal goes walkabout, the Odyssey can be hard to start, run rough, or drop power as the ECU switches to a limp or default strategy.

It’s not a scheduled service item, but it deserves a look during routine servicing. Oil leaks from the rocker cover can wick into the plug, so check the connector for oil, corrosion, or a loose fit. On higher‑kilometre vans, a tired O‑ring can seep—replace it when the sensor comes out. Keep the loom clipped and off hot bits under the bonnet to avoid heat‑soak damage.

• Typical symptoms of a crook CMP: hard starting, misfire at low rpm, poor fuel use, hesitant shifting on some autos, and a Check Engine light with codes such as P0340/P0341.
• Quick checks: inspect the connector and harness, verify clean battery voltage and good ground, and scan live data for a stable cam signal.

Replacing the sensor is a straightforward driveway job for many owners. Disconnect the battery, unplug the sensor, remove the retaining bolt, and gently twist the sensor free. Lightly oil the new O‑ring, seat the sensor squarely, and tighten the fastener to the specification in the Honda service manual. Reconnect, clear codes with a scanner, and perform an idle relearn if required. There’s no programming of the sensor itself. Use a quality OEM‑grade part—some variants need the correct Bank A/B sensor on the V6, and mixing them up can trigger fresh faults.

As part of a sensible service plan, pairing CMP checks with clean oil and the correct grade helps, because sludgy oil can upset the variable timing hardware the sensor is monitoring. It’s a small part with a big say in how smoothly the Odyssey runs, especially on school runs and long Kiwi or Aussie road trips.

Popular questions about the 2015 Honda Odyssey camshaft sensor

Where is the camshaft sensor located on a 2015 Odyssey?
On V6 models there are usually two—one on each cylinder head near the cam gears (often described as Bank 1 and Bank 2). On the 2.4‑litre four‑cylinder, it’s mounted on the cylinder head near the timing end. Access is under the bonnet with basic hand tools.

Do I need to program anything after replacing the camshaft sensor?
No programming is required for the sensor itself. After installation, clear any fault codes and, if the battery was disconnected, perform Honda’s idle relearn. If codes return, double‑check the connector, O‑ring seating, and that the correct sensor (right bank/variant) is fitted.

What causes camshaft sensor failure on these vans?
Common causes include heat‑related internal failure, oil intrusion through a hardened O‑ring, damaged wiring from vibration, and prior oil leaks from the rocker cover. Using the correct oil and fixing leaks early helps the sensor and the variable timing system stay happy.