Fendt 5.1.61 – A002 ECU (Enhanced Control): B003 - Suspension position sensor — Signal fault.

The front axle suspension position sensor (component B003) is faulty, or its signal to the control unit is missing/incorrect. As a safety measure, the system disables further suspension functions, and the front axle suspension remains locked in its last position.

• 409 Vario
• 410 Vario
• 411 Vario
• 412 Vario
• 711 Vario
• 712 Vario
• 714 Vario
• 715 Vario
• 716 Vario
• 717 Vario
• 718 Vario
• 916 Vario
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• 924 Vario
• 926 Vario
• 930 Vario
• 411 Vario COM III
• 412 Vario COM III
• 413 Vario COM III
• 414 Vario COM III
• 415 Vario COM III
• 712 Vario COM III
• 714 Vario COM III
• 716 Vario COM III
• 718 Vario COM III
• 818 Vario COM III
• 820 Vario COM III
• Fendt 300 Vario (COM III models)
• Fendt Farmer 400 Vario 409
• Fendt Farmer 400 Vario 410
• Fendt Farmer 400 Vario 411
• Fendt Farmer 400 Vario 412
• Fendt 700 Vario 711
• Fendt 700 Vario 712
• Fendt 700 Vario 714
• Fendt 700 Vario 715
• Fendt 700 Vario 716
• Fendt 700 Vario 717
• Fendt 800 Vario 815
• Fendt 800 Vario 817
• Fendt 800 Vario 818
• Fendt 800 Vario 822
• Fendt 800 Vario 824
• Fendt 800 Vario 826
• Fendt 800 Vario 828 S4
• Fendt Favorit 900 Vario 916
• Fendt Favorit 900 Vario 920
• Fendt Favorit 900 Vario 924
• Fendt Favorit 900 Vario 926
• Fendt Favorit 900 Vario 930

1. 1

   Check the A013 Fuse to verify if there is an 8.5V power supply fault.

2. 2

   Inspect connector X152 (located on the left side lateral arm behind the guard) for corrosion, moisture, or backed-out pins.

3. 3

   Check the mechanical linkage arm attached to the B003 sensor to ensure it is not bent, broken, or disconnected.

1. 1

   Secure the Machine

   Park the tractor on a level surface. Caution: If you are doing any mechanical work on the suspension components or accumulators, the pressure in the suspension must be completely relieved first.

2. 2

   Resolve Wiring/Power Issues

   If fuse A013 is blown, replace it. If connector X152 is damaged, repair the wiring harness.

3. 3

   Replace the Sensor

   If the wiring and power supply are intact but the signal fault persists, remove the guard on the left lateral arm, disconnect connector X152, unbolt the faulty B003 sensor from its mounting bracket, and install the new sensor.

4. 4

   Calibrate the Suspension

   After replacing the B003 sensor, run the End-Of-Line (EOL) programming/calibration via the FENDIAS diagnostic system or the tractor's onboard terminal using calibration code '7666'.