Cummins ISB6.7 CM2150 (2007-09) Fault Code: 689 PID: 190 SPN: 190 FMI: 2 Engine Crankshaft Speed/Position – Data Erratic, Intermittent, or Incorrect. The ECM has detected an error in crankshaft position sensor signal.
Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe™ Online for applicable fixes to the calibration stored in the ECM. If necessary, recalibrate the ECM.
This fault is logged when the ECM does not receive a valid crankshaft position signal.
Possible causes:
1)Open or short circuit of the 5 volt SUPPLY, SIGNAL, or RETURN wire in the engine harness
2)Damaged crankshaft position sensor.
Possible repairs:
1)Replace the engine wiring harness.
2)Replace or shim the sensor if air gap is out of specification. If the target runout is excessive, replace the target.
3)Replace the crankshaft position sensor.
4)Replace the ECM.
Related products
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1000 Class 2 Loss of Serial Data Communication
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0848 Transmission Pressure Switch Solenoid D Circuit High
1000 & 2000 Gen 4 $50.00 -
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1300 J1850 (Class 2) Serial Data Communication Link Low
1000 & 2000 Gen 4 $50.00 -
-
Allison 1000 & 2000 Gen 4 Fault Codes: P0876 Transmission Reverse Pressure Switch Circuit Stuck Open
1000 & 2000 Gen 4 $50.00 -
-
-
-
-
Allison 1000 & 2000 Gen 4 Fault Codes: U1041 J1850 (Class 2) ABS Controller State of Health Failure
1000 & 2000 Gen 4 $50.00 -
Allison 1000 & 2000 Gen 4 Fault Codes: P2773 Torque Control Request Ignored – ECM/TCM
1000 & 2000 Gen 4 $50.00
