Case IH 2998 – ZTC: Unknown fault information received from ZTC controller

The system has received unknown fault information from the ZTC controller. This code often triggers erroneously as a software glitch or communication timeout rather than a hard mechanical failure, and is frequently considered a nuisance fault.

• Steiger T4B
• Case IH Steiger tractors
• Case IH Magnum tractors
• Case IH Sprayers (including Nitro models)

1. 1

   Verify the current software and calibration version of the ZTC controller

2. 2

   Check for available firmware updates using the CNH Electronic Service Tool (EST)

1. 1

   Update software calibration

   Connect the CNH Electronic Service Tool (EST) and apply the latest software calibration update to the ZTC controller to mask the code and alleviate the nuisance fault issue.