John Deere 2036.09 – ICU / AIC / PDU / RLC / TIQ: CAN BUS Message Issue / Electronic Communication Error, PTF message missing

A required communication message is missing, indicating a data transmission failure between the reporting control module (such as the AIC or ICU) and the Front PTO Control Unit (PTF) or SCC software over the CAN Bus network.

• 6110R
• 6120R
• 6130R
• 6145R
• 6155R
• 6175R
• 6195R
• 6215R
• 7715
• 7815
• 7720
• 7820
• 7920
• 7630
• 7730
• 7830
• 7930
• 8225R
• 8245R
• 8270R
• 8295R
• 8320R
• 8335R
• 8345R
• 8370R
• 8400R
• 8320RT
• 8345RT
• 8370RT
• 9470RT
• 9520RT
• 9570RT
• 6090MC
• 6090RC
• 6100MC
• 6100RC
• 6110MC
• 6110RC
• 7810

1. 1

   Power Cycle the Tractor to see if the code is a temporary glitch.

2. 2

   Check Fuses, specifically Fuse F15, which is associated with the ICU/PTF communication circuit.

3. 3

   Inspect CAN Bus Wiring for loose, damaged, or corroded wires and connectors between the reporting module and the PTF/SCC control modules.

4. 4

   Check for Interference by ensuring proper grounding and shielding of the CAN Bus cables.

1. 1

   Restart the Vehicle

   Turn the key switch off and restart the engine. If the code clears and the display returns to normal mode, tractor function can continue. If the code returns, proceed to the next step.

2. 2

   Inspect and Replace Fuse F15

   Access the main fuse panel. Pull fuse F15 and check for a blown filament. If blown, replace it with a fuse of the exact same amperage rating. Restart the vehicle to see if the code returns.

3. 3

   Harness and Connector Repair

   If the fuse is intact, physically trace the CAN Bus wiring harness connecting the Armrest Interface Control Unit (AIC) or Instrument Cluster Unit (ICU) to the Front PTO Control Unit (PTF). Disconnect the connectors, inspect for bent pins, moisture, or corrosion, clean them with contact cleaner, and reconnect securely.

4. 4

   Software Update / Dealer Intervention

   If the code persists after checking fuses and wiring, the issue may be a corrupted software file or a failed control module. Have a John Deere dealer repair the issue using proprietary diagnostic tools (like Service ADVISOR) to monitor CAN Bus messages, verify module communication, and flash software updates if necessary.