Cummins ISL CM850 (2003-06) Fault Code: 147 PID: 91 SPN: FMI: 1 Accelerator Pedal or Lever Position 1 Sensor Circuit Frequency – Data Valid but Below Normal Operational Range – Most Severe Level. A frequency of less than 100 HZ has been detected at the frequency throttle input to the ECM.
Cummins ISL CM850 (2003-06) Fault Code: 147 PID: 91 SPN: FMI: 1 Accelerator Pedal or Lever Position 1 Sensor Circuit Frequency – Data Valid but Below Normal Operational Range – Most Severe Level. A frequency of less than 100 HZ has been detected at the frequency throttle input to the ECM.
The frequency throttle can be used in conjunction with a voltage throttle or by itself.
Possible causes:
1)Open circuit in the frequency throttle signal wire.
2)Shorted to ground frequency throttle signal wire.
3)Failed frequency throttle.
4)Incorrect frequency throttle reference (input) voltage.
Possible repairs:
1)Repair or replace the frequency throttle.
2)Repair or replace the frequency throttle reference (input) circuit.
3)Repair or replace the OEM harness.
4)Replace the ECM.
![download Hitachi Construction Machinery MPDr Ver 3.7.0.0 [10.2020] Diagnostic Software](https://www.ecuforcetruck.com/wp-content/uploads/2023/05/MPDR-3.7.00-300x300.png)
-
-
-
-
-
-
-
Volvo Premium Tech Tool PTT 2.8.130 Diagnostic Software 04.2022 ACPI ( 1 PC )
Trucks software $143.00 -
-
-
-
-
-
-
-
Related products
-
-
Allison 1000 & 2000 Gen 5 Fault Code:U0073 CAN Communication Bus 1 Off
1000 & 2000 Gen 5 -
-
-
-
-
-
-
-
-
Allison 1000 & 2000 Gen 5 Fault Code:U0074 CAN Communications BUS 2 Off
1000 & 2000 Gen 5 -
-
-
-
