John Deere 524212.19 – HCC: CAN BUS Message Error Between Modules For Hitch Depth Control

Triggered when the Rear Hitch Lever Position data is received with a failure indication. This points to an incorrect CAN Bus message or missing information from the depth control regulator of the rear hitch, indicating a fault in the control lever itself, its circuit, or an interruption in CAN bus communication.

• 6110M
• 6120M
• 6130M
• 6145M
• 6155M
• 6175M
• 6195M
• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R
• 6090MC
• 6100MC
• 6110MC
• 6090RC
• 6100RC
• 6110RC
• 7715
• 7815
• 7720
• 7820
• 7920
• 7810
• 9430
• 9530
• 9630

1. 1

   Restart the Tractor: Turn off the engine and restart the vehicle to see if resetting the communication messages corrects the code.

2. 2

   Inspect Power Supply: Visually inspect around the batteries and alternator for any signs of damage, loose connections, or accumulated debris that could cause voltage drops to the modules.

3. 3

   Check Fuses: Inspect the fuses related to the Hitch Control Unit and Instrument Control Unit, specifically Fuse F30 (and F9 depending on model) for the HCU/ICU communication circuits.

4. 4

   Wiring Inspection: Check for any physical interruptions, corrosion, or pin damage in the CAN bus communication wiring harness connecting the rear hitch control lever to the HCC/HCU.

1. 1

   Acknowledge and clear code

   Acknowledge and clear the code on the CommandCenter display (if applicable) and restart the tractor.

2. 2

   Access control lever

   If the active Service Code reappears, power down the machine and access the rear hitch control lever assembly.

3. 3

   Test wiring and voltage

   Disconnect the wiring harness to the rear hitch control lever. Use a multimeter to verify that the sensor is receiving proper supply voltage and that the CAN bus lines have continuity to the HCC module.

4. 4

   Diagnose internal failure

   If the wiring and fuses are intact but the lever position data is still failing, the control lever/depth control regulator itself has failed internally.

5. 5

   Replace component

   Replace the faulty rear hitch control lever component.

6. 6

   Verify repair

   Reconnect the harness, power on the tractor, and verify that the 524212.19 code has cleared and that the rear hitch responds properly to lever inputs. (Note: If the issue persists after lever replacement, John Deere advises having a dealer perform advanced CAN bus diagnostics).