Cummins ISL CM850 (2003-06) Fault Code: 2345 (ISC) PID: 103 SPN: 103 FMI: 10 Turbocharger Speed Invalid Rate of Change Detected – Abnormal Rate of Change. The turbocharger speed sensor has detected an erroneous speed value.

Description

This fault becomes active if the engine is running and the turbocharger speed signal rapidly changes faster than the capabilities of the turbocharger. This fault code can be caused by an intermittent turbocharger speed sensor connection, incorrect turbocharger speed sensor air gap, or a faulty turbocharger speed sensor.

Possible repairs:

1)Replace the turbocharger speed sensor.
2)The removal and installation of the connector may correct the fault.

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