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Category: CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2732

Posted on November 14, 2022

Aftertreatment Fuel Drain Valve Circuit – Voltage Above Normal or Shorted to High Source   Printable Version Overview CODE REASON EFFECT Fault Code: 2732PID: S338SPN: 4097FMI: 3/3LAMP: AmberSRT:  Aftertreatment Fuel Drain…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2728

Posted on November 14, 2022

Aftertreatment Fuel Injector 1 – Data Valid But Above Normal Operational Range – Moderately Severe Level   Printable Version Overview CODE REASON EFFECT Fault Code: 2728PID: SPN: S382FMI: 0/16LAMP: NoneSRT:  Aftertreatment…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2659

Posted on November 14, 2022

Engine Coolant Temperature – Condition Exists   Printable Version Overview CODE REASON EFFECT Fault Code: 2659PID: P110SPN: 110FMI: 31LAMP: NoneSRT:  Engine Coolant Temperature – Condition Exists. The EGR valve was closed…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2646

Posted on November 14, 2022

Engine Coolant Temperature – Condition Exists   Printable Version Overview CODE REASON EFFECT Fault Code: 2646PID: P110SPN: 110FMI: 31LAMP: AmberSRT:  Engine Coolant Temperature – Condition Exists. The EGR valve was closed…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2639

Posted on November 14, 2022

Aftertreatment Diesel Particulate Filter Differential Pressure – Data Valid but Above Normal Operational Range – Least Severe Level   Printable Version Overview CODE REASON EFFECT Fault…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2638

Posted on November 14, 2022

Catalyst Efficiency – Out of Calibration   Printable Version Overview CODE REASON EFFECT Fault Code: 2638PID: SPN: S380FMI: 13/13LAMP: NoneSRT:  Catalyst Efficiency – Out of Calibration. The temperature increase across the…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2637

Posted on November 14, 2022

Catalyst Face Plugged – Root Cause Not Known   Printable Version Overview CODE REASON EFFECT Fault Code: 2637PID: SPN: 5018FMI: 11/11LAMP: NoneSRT:  Catalyst Face Plugged – Root Cause Not Known. The…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2636

Posted on November 14, 2022

VGT Actuator Driver Circuit – Abnormal Update Rate   Printable Version Overview CODE REASON EFFECT Fault Code: 2636PID: S027SPN: 641FMI: 9/9LAMP: RedSRT:  VGT Actuator Driver Circuit – Abnormal Update Rate. No…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2635

Posted on November 14, 2022

VGT Actuator Driver Circuit – Condition Exists   Printable Version Overview CODE REASON EFFECT Fault Code: 2635PID: S027SPN: 641FMI: 11/31LAMP: RedSRT:  VGT Actuator Driver Circuit – Condition Exists. A calibration mismatch…

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines - Troubleshooting and Repair Manual

CM871 and CM876 Electronic Control Systems, ISX and ISM Engines – FAULT CODE 2634

Posted on November 14, 2022

VGT Actuator Controller – Bad Intelligent Device or Component   Printable Version Overview CODE REASON EFFECT Fault Code: 2634PID: S027SPN: 641FMI: 12/12LAMP: RedSRT:  VGT Actuator Controller – Bad Intelligent Device or…

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