DD15 Troubleshooting – Section 56 SPN 636

Section 56
SPN 636

This SPN indicates the Crankshaft Position Sensor is outside of normal operating conditions. If the sensor is removed, be sure to check the sensor tip for metal debris and clutch material and clean it if necessary.‪

56.1 SPN 636/FMI 1

56.2 SPN 636/FMI 2

56.3 SPN 636/FMI 3

56.4 SPN 636/FMI 4

56.5 SPN 636/FMI 8

56.6 SPN 636/FMI 14