Case IH 3245 – Engine Control Module (ECM): ECM Processor - Watchdog Not Plausible

This is an internal hardware/software communication error within the engine's computer. The watchdog initiates a query/response communication with the CPU; if the CPU responds incorrectly, fails to respond, or has an impaired clock timing, the ECM flags the Watchdog Not Plausible error.

• Farmall
• Magnum 235-340 (Series 4)
• Puma 165
• Puma 180
• Puma 195
• Puma 210
• Puma 225 CVX
• 580N
• 580SN
• 590SN
• 695ST
• 1150K
• 1650L
• T7 Series
• T8 Series
• B110B
• B115

1. 1

   Check for Active vs. Stored Status: Determine if the error exists only temporarily. If the engine still runs (injection reoccurs) and the code is inactive, it is considered a temporary glitch.

2. 2

   Clear and Retest: Delete the fault from the memory and operate the machine. If the code does not return, the error can be safely ignored.

3. 3

   Software Check: If the code returns, check if a software update or reflash is available for the ECM.

1. 1

   Clear the Fault Memory

   Connect your electronic service tool (EST) and clear the 3245 fault code.

2. 2

   Cycle Power and Test

   Turn the key off, wait for the ECM to power down completely, and restart the machine.

3. 3

   Reload ECM Software

   If the fault code returns immediately or the engine injections remain blocked (permanent error), use the service tool to reload/reflash the ECU software.

4. 4

   Replace the ECM

   If the error reoccurs after trying to reload the software, the internal CPU or watchdog module has permanently failed. The ECM must be replaced.

5. 5

   Restore Parameters

   If the ECM is replaced, you must follow the appropriate service tool procedure to program the new module and restore all self-learning parameters (such as injector trim codes and immobilizer sync).