DDEC III/IV Single ECM Troubleshooting – Section 41.1 Description of Flash Code 41

Section 41.1
Description of Flash Code 41

Flash Code 41 indicates that the ECM has detected extra Synchronous Reference Sensor pulses, or the ECM has detected missing Timing Reference Sensor pulses, see Figure "Synchronous Reference Sensor and Timing Reference Sensor " .‪

Figure 1. Synchronous Reference Sensor and Timing Reference Sensor