New Holland ENG 3699 – ENGINE / Electronic Diesel Control (EDC): EDC EEPROM: Error in EEPROM Block EEPData1 SD correction can not be calculated.

The Engine Control Unit (ECU) has detected an internal memory error within its EEPROM (Electrically Erasable Programmable Read-Only Memory). Specifically, the 'EEPData1' block is corrupted or inaccessible, meaning the SD correction values cannot be calculated.

• T4.75
• T4.85
• T4.95
• T4.105
• T4.115
• T5.95
• T5.105
• T5.115
• TD5 Series
• T6 Series
• T7 Series
• T8 Series
• L220
• L221
• L223
• L228
• L321
• L328
• C227
• C232
• C327
• C332
• C337
• SR175
• SR200
• SR210
• SR240
• SV280
• TR270
• TR310
• B95B
• B110B
• B115B
• CR9040
• CR9060
• D-Series Dozers

1. 1

   Verify the battery and supply voltage to the ECU, as low supply voltage or sudden power loss can trigger EEPROM read/write errors.

2. 2

   Connect the CNH Electronic Service Tool (EST) to the diagnostic port to check if the ECU communicates properly or registers as an 'Unknown ECU'.

3. 3

   Attempt to clear the DTCs. If the code immediately returns upon cycling the key, the EEPROM error is permanent.

4. 4

   Check the programming history to determine if the ECU was recently flashed, tuned, or interrupted during a software update.

1. 1

   Reprogram the ECM

   Using the CNH EST, attempt to re-flash the Engine Control Module with the correct factory software/dataset.

2. 2

   ECU Repair/Cloning

   If the ECU will not accept the flash or communication is lost, the unit must be removed. Send the EDC unit to a specialized ECU repair service to extract the immobilizer and injector data to clone onto a donor board.

3. 3

   Replace the ECM

   If the internal memory is physically damaged and cannot be repaired, replace the Engine Control Module.

4. 4

   Post-Installation Calibration

   If a new ECM is installed, it must be programmed with the correct machine software. Additionally, the 7-digit IMA calibration codes printed on each fuel injector must be programmed into the new ECU so that injection quantities are matched cylinder by cylinder.