klancf51
Silver Member
When running a Workmaster/CASE IH Farmall A series tractor (FPT 2.2L diesel engine), the tractor suddenly de-rates to 1500 rpm with no fault codes displayed.
CASE IH published a Knowledge Article in Jun-2018 titled "Tractor de-rates to 1500 rpm with no fault codes displayed". This Knowledge Article addresses this issue as well as another where the tractor de-rates to 1500 rpm with fault codes displayed. This thread is intended to share the information I was able to learn about this issue and the current resolution:
Symptom
Tractor de-rates to 1500 rpm with any of the following symptoms:
The tractors can go into de-rate mode if the controllers encounter any abnormal signals which it considers harmful to the system.
Resolution
CNH Industrial is aware of concerns where the unit experiences an engine de-rate to 1500 rpm with no fault codes displayed in the Analogue Digital Instrument Cluster (ADIC). There are two resolution scenarios:
1. Tractor de-rates to 1500 rpm with no fault codes displayed
Follow the procedure to rule out the de-rate concern due to low voltage in the system.
If the issue continues, verify the ADIC software installed on the unit, and if it is 2.00.00, recommend installing software version 3.00.00. This software has been added to the Electronic Service Tool (EST) with the release of EST version 8.9.0.0.
This will correct the issue in the software causing the ADIC to lose connection with the ECU, causing a loss of throttle control.
2. Tractor de-rates to 1500 rpm with fault codes 14016, 3003 and 3127 displayed
Engine can also go into de-rate mode with error codes 14016, 3003, and 3127 displayed. These error codes are triggered if there is low voltage observed by the controllers during cranking of the engine or during normal operation of the vehicle.
Draw on the battery should be measured in amps. To measure the key OFF draw, set the multi-meter to amps. Remove the positive battery cable and connect the multi-meter leads between the battery post and the clamp. The battery draw with the key OFF is between 6 and 7 milliamps.
Note:
CASE IH published a Knowledge Article in Jun-2018 titled "Tractor de-rates to 1500 rpm with no fault codes displayed". This Knowledge Article addresses this issue as well as another where the tractor de-rates to 1500 rpm with fault codes displayed. This thread is intended to share the information I was able to learn about this issue and the current resolution:
Symptom
Tractor de-rates to 1500 rpm with any of the following symptoms:
- Tractor de-rates to 1500 rpm with no fault codes displayed
- Tractor de-rates to 1500 rpm with fault codes 14016, 3003 and 3127 displayed
The tractors can go into de-rate mode if the controllers encounter any abnormal signals which it considers harmful to the system.
Resolution
CNH Industrial is aware of concerns where the unit experiences an engine de-rate to 1500 rpm with no fault codes displayed in the Analogue Digital Instrument Cluster (ADIC). There are two resolution scenarios:
1. Tractor de-rates to 1500 rpm with no fault codes displayed
Follow the procedure to rule out the de-rate concern due to low voltage in the system.
If the issue continues, verify the ADIC software installed on the unit, and if it is 2.00.00, recommend installing software version 3.00.00. This software has been added to the Electronic Service Tool (EST) with the release of EST version 8.9.0.0.
This will correct the issue in the software causing the ADIC to lose connection with the ECU, causing a loss of throttle control.
2. Tractor de-rates to 1500 rpm with fault codes 14016, 3003 and 3127 displayed
Engine can also go into de-rate mode with error codes 14016, 3003, and 3127 displayed. These error codes are triggered if there is low voltage observed by the controllers during cranking of the engine or during normal operation of the vehicle.
a. Check for fault codes stored in the engine controller. Connect the Electronic Service Tool (EST) and enter the EASY engine tool, located in the "Additional Tools" tab.
b. Report any codes found in the engine controller through the ASiST Technical Help Desk (THD) and provide a short video of the issue, if possible, with a description of the operations being performed at the time of failure.
c. Check the battery health and charge battery on bench as per normal slow charging procedure. Re-install battery on tractor and verify correct unit operation.
d. Recommend checking the battery terminals, the ring connectors on the starter posts, and ground points. Clean all paint and corrosion away from all connection points. Inspect the crimps on each ring terminal to ensure that the terminals are making good contact with the conductors.
Ensure that the operators for these tractors are running the tractors long enough for proper charging of the battery. This will ensure battery life and good operation during engine startup.b. Report any codes found in the engine controller through the ASiST Technical Help Desk (THD) and provide a short video of the issue, if possible, with a description of the operations being performed at the time of failure.
c. Check the battery health and charge battery on bench as per normal slow charging procedure. Re-install battery on tractor and verify correct unit operation.
d. Recommend checking the battery terminals, the ring connectors on the starter posts, and ground points. Clean all paint and corrosion away from all connection points. Inspect the crimps on each ring terminal to ensure that the terminals are making good contact with the conductors.
Draw on the battery should be measured in amps. To measure the key OFF draw, set the multi-meter to amps. Remove the positive battery cable and connect the multi-meter leads between the battery post and the clamp. The battery draw with the key OFF is between 6 and 7 milliamps.
Note:
Fault Code | Description |
3003 | Accelerator Pedal Signal - SOURCE LOW. |
3127 | Hand Throttle potentiometer 1 Low error. |
14016 | The ADIC 5 volt reference voltage is too high (> 6 volts). |
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