Parts for your 2016 Honda Odyssey-Throttle position sensors

2016 Honda Odyssey throttle position sensors (TPS)

Technical sources confirm the 2016 Honda Odyssey does use throttle position sensors. Honda factory service information for the 2016 model (including the AU/NZ RC-series and global models) describes an electronic, drive‑by‑wire throttle body with dual TP sensors (often noted as TP Sensor A and B). Common Odyssey OBD‑II fault codes such as P0121–P0123 and P2135 specifically reference these sensors, and OEM parts catalogues list the TPS as integrated into the throttle body assembly rather than a separate bolt‑on item.

The throttle position sensors on a 2016 Odyssey constantly report the angle of the throttle plate to the engine control module. Working as paired, redundant signals, they help the ECU meter fuel, adjust ignition timing, manage idle speed and coordinate transmission behaviour. Because it’s a drive‑by‑wire setup, accurate TPS feedback is critical for smooth take‑off, predictable acceleration and stable idle. If the readings disagree or drop out, the ECU can trigger a Check Engine Light and may put the van into limp mode to protect the engine.

There’s no scheduled replacement for the TPS, it’s a “fix on fault” component. In this model the sensors are built into the throttle body, so if a confirmed sensor failure occurs, the usual repair is replacing the entire throttle body assembly. Good practice is to verify with proper diagnostics first: scan for DTCs, check live data for TP Sensor A/B agreement, inspect the connector and harness for corrosion or damage, and confirm supply voltage and grounds. Many apparent TPS faults are actually wiring or connector issues under the bonnet.

When the throttle body is replaced, a new gasket should be fitted, bolts tightened evenly, and an idle/throttle relearn performed. Honda’s procedure typically involves bringing the engine to operating temperature and allowing a controlled idle, or using a capable scan tool to command an idle learn. The throttle plate shouldn’t be forced open by hand. Cleaning the throttle bore with a proper throttle‑body cleaner during routine servicing can help prevent sticky operation, but it won’t repair an electrical sensor fault. Owners noticing hesitant acceleration, hunting idle, sudden loss of power, or increased fuel use should get the vehicle scanned promptly, as continued driving with TPS‑related faults can be unsafe and costly.

• Typical TPS‑related codes: P0121, P0122, P0123, P2135
• Symptoms: surging, flat spots, rough idle, limp mode, poor economy
• Tip: check battery health, low voltage can trigger throttle correlation faults

Does a 2016 Honda Odyssey have a separate TPS I can replace?
The 2016 Odyssey’s throttle position sensors are integrated into the electronic throttle body. In most cases they are not sold or serviced separately by Honda. If testing confirms a failed sensor, the recommended repair is replacing the complete throttle body, then carrying out an idle learn/relearn procedure and clearing fault codes.

What are the signs of a failing TPS on a 2016 Odyssey?
Owners often notice a Check Engine Light with codes like P0121 or P2135, hesitation on take‑off, inconsistent throttle response, stalling at idle or a “limp” home mode with limited power. Fuel economy may drop and the idle can hunt. Proper diagnostics should confirm whether it’s the sensor, wiring, or another intake issue.

Will cleaning the throttle body fix TPS issues?
Cleaning can help if the throttle plate is sticking from carbon build‑up, improving idle quality and response. However, it won’t fix an electrical fault inside the TPS. If the ECU flags sensor circuit or correlation errors after wiring checks, the throttle body assembly will generally need replacement and a relearn.