Error code ECU 000636.10 is set when a faulty signal pattern from the camshaft speed sensor is detected. This error indicates irregular or noisy signals, which can disrupt accurate engine timing.
- John Deere error ECU codes
Error code ECU 000636.06 is triggered when high current is detected in the wiring of the pump position sensor, indicating circuit resistance is too low, which typically suggests a short to ground. This abnormal condition can affect the accuracy of the pump position sensor’s readings, which are crucial for precise engine timing.


