Cummins ISB6.7 CM2150 (2007-09) Fault Code: 334 PID: 110 SPN: 100 FMI: 2 Engine Coolant Temperature – Data Erratic, Intermittent, or Incorrect. The engine coolant temperature reading is not changing with engine operating conditions.
Verify the electronic control module (ECM) calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable...