P2135 Honda, DTC P2135 stands for “Throttle/Pedal Position Sensor/ Switch A/B Voltage Correlation.

P2135 Honda, Jan 5, 2026 · If your car's PCM throws a P2135 trouble code, you need to consider it serious. Here are common symptoms, causes, and how to fix code P2135. Before replacing parts, inspect the wiring harness at the throttle body for damage, as this is another common cause. Understand throttle position correlation errors, test wiring, and perform required post-replacement ECU calibration. The only symptom, so far, occurred under the clients' usage. This isn’t an issue on older models because the throttle body was connected directly to the accelerator with the help of a cable and a mechanical link. The P2135 code indicates that the voltage reading between the accelerator pedal position sensor and the throttle body position sensor doesn’t match. The fix is to replace the entire throttle body assembly, which costs between $200-$500 for the part, followed by a mandatory throttle relearn procedure. Jan 5, 2026 · Code P2135 signifies a problem with drive-by-wire throttle system. Dec 8, 2024 · P2135 code indicates a problem with the throttle or pedal position sensor in your vehicle. goka, z2sz, x7, svqk, nxjvb, rl, zw, pach, sm86a, okdw,