Cummins ISC CM2150 (2007-09) Fault Code: 2964 PID: 105 SPN: 105 FMI: 0 Intake Manifold 1 Temperature – Data Valid but Above Normal Operational Range – Least Severe Level. Intake manifold air temperature signal indicates intake manifold air temperature is above engine protection warning limit.

Verify the ECM calibration is correct. Check the calibration revision history found on QuickServe® Online for applicable fixes to the calibration stored in the ECM. If necessary, calibrate the ECM.

Possible repairs:

1)Replace the intake manifold temperature sensor.