Honda Accord EX 2.4L P0717 and P0718 Fault at 135,000 Miles
My Honda Accord EX with a 2.4L engine has reached 135,000 miles. I have already replaced the input speed sensor and verified that the ground wire, signal wire, and power supply wires are in good condition. Despite these repairs, the P0717 and P0718 diagnostic trouble codes continue to reappear. I'm seeking advice on what steps to take next to resolve this issue. Any insights or troubleshooting tips would be greatly appreciated.
It appears the Powertrain Control Module (PCM) is not receiving a proper signal from one of the sensors. Using an OBD2 scanner, you can check the freeze frame data or monitor sensor readings to identify any fluctuations. Begin by inspecting the electrical connectors, including pin terminals for corrosion or damage, and verify the circuit integrity from the sensor to the PCM terminal.