Cummins ISB CM850 (2003-06) Fault Code: 148 PID: 91 SPN: FMI: 0 Accelerator Pedal or Lever Position Sensor 1 – Data Valid but Above Normal Operational Range – Most Severe Level. A frequency of more than 1500 Hz has been detected at the frequency throttle input to the ECM.
Cummins ISB CM850 (2003-06) Fault Code: 148 PID: 91 SPN: FMI: 0 Accelerator Pedal or Lever Position Sensor 1 – Data Valid but Above Normal Operational Range – Most Severe Level. A frequency of more than 1500 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)Malfunctioning OEM Frequency Throttle
2)Shorted signal wire to voltage source.
Possible repairs:
1)Repair or replace the frequency throttle.
2)Replace the OEM harness.
![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)
Related products
-
-
Allison 1000 & 2000 Gen 5 Fault Code:U0100 Lost Communication With ECM A
1000 & 2000 Gen 5 -
-
-
Allison 1000 & 2000 Gen 5 Fault Code:U0073 CAN Communication Bus 1 Off
1000 & 2000 Gen 5 -
-
Allison 1000 & 2000 Gen 5 Fault Code:P2764 TCC PCS Control Circuit Low
1000 & 2000 Gen 5 -
Allison 1000 & 2000 Gen 5 Fault Code:U0074 CAN Communications BUS 2 Off
1000 & 2000 Gen 5 -
-
Allison 1000 & 2000 Gen 5 Fault Code:P2763 TCC PCS Control Circuit High
1000 & 2000 Gen 5 -
-
-
-
-
