Parts for your 2020 Honda Cr-v-Throttle position sensors

2020 Honda CR‑V Throttle Position Sensors: What They Do and How to Look After Them

Yes, the 2020 Honda CR‑V uses throttle position sensors (TPS). Technical references that confirm this include Honda’s Electronic Throttle Control System description in the 2017–2022 CR‑V service information, the Honda parts catalogue listing the electronic throttle body with built‑in “TP Sensor A/B” and throttle actuator, and Honda’s diagnostic coverage of DTCs such as P0121–P0123 and P2135 for TPS/APP correlation. On this model the TPS is integrated into the electronic throttle body and generally isn’t serviced as a separate part.

On a 2020 CR‑V, the TPS tells the engine control unit exactly how far the throttle plate is open. Because it’s a drive‑by‑wire setup, there’s no traditional cable from the pedal, instead, an accelerator pedal position (APP) sensor reports foot input, the ECU drives a throttle motor, and twin TPS tracks inside the throttle body report the actual blade angle for tight control and safety cross‑checks. That’s how the car delivers smooth take‑off, stable idle, and crisp response while meeting emissions targets.

There’s no scheduled replacement for the TPS on this Honda, but it does benefit from sensible care:

• Clean the throttle body every 60,000–100,000 km or if idle hunts or sticks. Use a throttle‑body‑safe cleaner and a soft cloth, don’t force the plate open by hand and don’t soak the electronics.
• Inspect the harness and connector under the bonnet for moisture, corrosion, or chafing if a check‑engine light appears with codes like P0121–P0123 or P2135.
• After cleaning or replacing the throttle body, perform the Honda idle learn/throttle position initialise procedure so the ECU relearns its stops and airflow. A scan tool makes this quicker, but the Honda manual also outlines a no‑tool method once the engine is at operating temp.

If the TPS fails, it usually means replacing the complete throttle body assembly. A workshop will confirm with live‑data checks showing the two TPS tracks (A/B) agree and sweep smoothly. Replacement is straight‑forward, but care matters: use a new gasket, torque the bolts evenly, and complete the idle learn so the CR‑V doesn’t stumble at idle. Many owners pair this job with an intake service to keep things tidy and avoid repeat issues. Done right, the electronic throttle on these models is reliable for many years of commuting and touring across Australia and New Zealand.

Does the 2020 Honda CR‑V have a separate TPS I can replace?

No. On this model the throttle position sensors are built into the electronic throttle body. If the sensor fails or data is noisy, the fix is usually a complete throttle body replacement, followed by an idle learn procedure.

What symptoms point to a TPS/throttle body issue on a 2020 CR‑V?

Common signs include a check‑engine light, limp‑home mode, hesitant acceleration, unstable idle, or surging. Scan tools often show DTCs such as P0121–P0123 or P2135, and live data may reveal an erratic or mismatched TPS A/B signal.

Do I need to calibrate anything after cleaning or replacing the throttle body?

Yes. Honda specifies an idle learn/throttle initialise procedure after cleaning, battery disconnection, or throttle body replacement. It lets the ECU relearn the throttle plate position and idle airflow, restoring smooth idle and proper response.