SPN 636/FMI 14 A typical diagnosis is swapped pins. Note: If the sensor is removed, be sure to check the sensor tip for metal debris and…
SPN 636/FMI 8 The diagnostic condition is typically CKP Sensor Time Out. Note: If the sensor is removed, be sure to check the sensor tip for…
SPN 636/FMI 4 This diagnostic condition is typically the CKP Sensor shorted to ground. Note: If the sensor is removed, be sure to check the sensor…
SPN 647/FMI 3 This fault code indicates that there is a short to power. Check as follows: Turn the ignition OFF. Disconnect the fan control…
SPN 647/FMI 5 This fault code indicates that there is an open circuit. Open Circuit Check Check as follows: Check for multiple codes. If SPN…
SPN 647/FMI 4 This fault code indicates that there is a short to ground. Check as follows: Turn the ignition OFF. Disconnect the fan control…
SPN 652/FMI 14 SPN 652/FMI 14 is typically the injector #2 cylinder needle control valve has an open circuit, short to ground or short to…
SPN 651/FMI 14 SPN 651/FMI 14 is typically an open circuit, short to ground or short to power. Check as follows: Check for multiple codes.…
SPN 653/FMI 14 SPN 653/FMI 14 is typically an open circuit, short to ground or short to power. Check as follows: Check for multiple codes.…
SPN 654/FMI 14 SPN 654/FMI 14 is typically an open circuit, short to ground or short to power. Check as follows: Check for multiple codes.…