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Cummins ISB CM550 (1990-94) Fault Code: 123 PID...

Circuit DescriptionThe intake manifold pressure sensor monitors intake manifold pressure and passesinformation to the electronic control module (ECM) through the sensor harness. If the intakemanifold pressure becomes too high, it...

Cummins ISB CM550 (1990-94) Fault Code: 123 PID...

Circuit DescriptionThe intake manifold pressure sensor monitors intake manifold pressure and passesinformation to the electronic control module (ECM) through the sensor harness. If the intakemanifold pressure becomes too high, it...

Cummins ISB CM550 (1990-94) Fault Code: 122 PID...

Cummins ISB CM550 (1990-94) Fault Code: 122 PID: 102 SPN: 102 FMI: 3 Intake Manifold Pressure Sensor Circuit Circuit DescriptionThe intake manifold pressure sensor monitors intake manifold pressure and passesinformation...

Cummins ISB CM550 (1990-94) Fault Code: 122 PID...

Cummins ISB CM550 (1990-94) Fault Code: 122 PID: 102 SPN: 102 FMI: 3 Intake Manifold Pressure Sensor Circuit Circuit DescriptionThe intake manifold pressure sensor monitors intake manifold pressure and passesinformation...

Cummins ISB CM550 (1990-94) Fault Code: 115VP44...

v Cummins ISB CM550 (1990-94) Fault Code: 115VP44 PID: 190 SPN: 190 FMI: 2 Engine Speed Sensor (ESS) Circuit Circuit DescriptionThe engine speed sensor provides engine speed information to the...

Cummins ISB CM550 (1990-94) Fault Code: 115VP44...

v Cummins ISB CM550 (1990-94) Fault Code: 115VP44 PID: 190 SPN: 190 FMI: 2 Engine Speed Sensor (ESS) Circuit Circuit DescriptionThe engine speed sensor provides engine speed information to the...

Cummins ISB CM550 (1990-94) Fault Code: 115VP30...

Circuit DescriptionThe engine speed sensor provides engine speed information to the engine control module (ECM). The sensor must be powered up by (+) 5 VDC to operate. The sensor generates...

Cummins ISB CM550 (1990-94) Fault Code: 115VP30...

Circuit DescriptionThe engine speed sensor provides engine speed information to the engine control module (ECM). The sensor must be powered up by (+) 5 VDC to operate. The sensor generates...

Cummins ISB CM550 (1990-94) Fault Code: 111 PID...

This fault code can only be caused by an internal ECM problem. Repairs are not possible for the ECM. Possible repairs: 1)Replace the ECM.

Cummins ISB CM550 (1990-94) Fault Code: 111 PID...

This fault code can only be caused by an internal ECM problem. Repairs are not possible for the ECM. Possible repairs: 1)Replace the ECM.

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