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03 May, 2025

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Cummins ISB CM850 (2003-06) Fault Code: 1666 PID: SPN: 3241 FMI: 3 Exhaust Gas Temperature 1 Circuit ? Voltage Above Normal, or Shorted to Low Source. High signal voltage detected at the catalyst inlet temperature sensor circuit

Cummins ISB CM850 (2003-06) Fault Code: 1666 PID: SPN: 3241 FMI: 3 Exhaust Gas Temperature 1 Circuit ? Voltage Above...

03 May, 2025

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Cummins ISB CM850 (2003-06) Fault Code: 1667 PID: SPN: 3241 FMI: 2 Exhaust Gas Temperature 1 ? Data Erratic, Intermittent,...

03 May, 2025

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Cummins ISB CM850 (2003-06) Fault Code: 1668 PID: SPN: 1761 FMI: 4 Catalyst Tank Level Sensor Circuit ? Voltage Below...

03 May, 2025

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Cummins ISB CM850 (2003-06) Fault Code: 1669 PID: SPN: 1761 FMI: 3 Catalyst Tank Level Sensor Circuit ? Voltage Above...

03 May, 2025

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Cummins ISB CM850 (2003-06) Fault Code: 1671 PID: SPN: 1761 FMI: 1 Catalyst Tank Level ? Data Valid but Below...

03 May, 2025

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Cummins ISB CM850 (2003-06) Fault Code: 1673 PID: SPN: 1761 FMI: 1 Catalyst Tank Level ? Data Valid but Below...