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Cummins ISM CM870 (2003-06) Fault Code: 195 (2 ...

Possible causes: 1)Open return circuit in the engine harness, connectors, or sensor.2)Signal wire shorted to sensor supply or battery voltage. Possible repair: 1)Repair or replace the OEM harness.2)Replace the ECM.3)Replace...

Cummins ISM CM870 (2003-06) Fault Code: 1943 PI...

The most common cause of this fault code is high altitude. The fault code can also be caused by extreme ambient air temperatures. This derate can be viewed in the...

Cummins ISM CM870 (2003-06) Fault Code: 187 PID...

Low voltage on the +5 volt supply line can be caused by a short circuit to ground in a supply line, a short circuit between a supply line and a...

Cummins ISM CM870 (2003-06) Fault Code: 155 PID...

The intake manifold air temperature sensor measures the temperature of the charge air (fresh air compressed by the turbocharger, cooled by the charge air cooler, and mixed with EGR) as...

Cummins ISM CM870 (2003-06) Fault Code: 154 PID...

The intake manifold temperature sensor shares return wires in the engine harness with other sensors. Opens and shorts in the engine harness can cause multiple fault codes to be active....

Cummins ISM CM870 (2003-06) Fault Code: 153 PID...

The intake manifold air temperature sensor shares return wires in the engine harness with other sensors. Opens and shorts in the engine harness can cause multiple fault codes to be...