B6.7 CM2450 B155B Fault Code: 6416 | SPN: 3703 | FMI: 31Aftertreatment Regeneration Inhibited Due to Inhibit Switch – Condition Exists

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6416PID: SPN: 3703FMI: 11/31LAMP: NoneSRT:    Regeneration of the diesel particulate filter has been prevented due to the permit switch being disabled.     May cause frequent aftertreatment regeneration....

B6.7 CM2450 B155B Fault Code: 6266 | SPN: 5862 | FMI: 14Aftertreatment 1 SCR Intermediate Gas Temperature – Special Instructions

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6266PID: SPN: 5862FMI: 14/14LAMP: AmberSRT:    The aftertreatment SCR intermediate temperature sensor reading is irrational.     Possible reduced engine performance. Circuit Description The aftertreatment...

B6.7 CM2450 B155B Fault Code: 6254 | SPN: 5246 | FMI: 16Aftertreatment SCR Operator Inducement Severity – Data Valid But Above Normal Operating Range – Moderately Severe Level

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 6254PID: SPN: 5246FMI: 0/16LAMP: AmberSRT:    Aftertreatment SCR Operator Inducement Severity – Data Valid But Above Normal Operating Range – Moderately Severe Level Critical fault codes related to engine...

B6.7 CM2450 B155B Fault Code: 5936 | SPN: 4334 | FMI: 15Aftertreatment 1 Diesel Exhaust Fluid Pressure – Data Valid But Above Normal Operating Range – Least Severe Level

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 5936PID: SPN: 4334FMI: 0/15LAMP: AmberSRT:    The Diesel Exhaust Fluid Pressure did not decrease below a threshold after a key off.     Possible reduced engine performance. Circuit Description The diesel...

B6.7 CM2450 B155B Fault Code: 5935 | SPN: 4334 | FMI: 7Aftertreatment 1 Diesel Exhaust Fluid Pressure – Mechanical System Not Responding or Out of Adjustment

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 5935PID: SPN: 4334FMI: 7/7LAMP: AmberSRT:    The Diesel Exhaust pressure sensor is reading erratic.     Possible reduced engine performance. Circuit Description The aftertreatment diesel exhaust fluid...

B6.7 CM2450 B155B Fault Code: 5867 | SPN: 520953 | FMI: 4Aftertreatment Diesel Exhaust Fluid Dosing Unit Relay Feedback – Voltage Below Normal or Shorted to Low Source

by DPFDELETE-TUNER | Mar 4, 2025 | Uncategorized

Overview   CODE REASON EFFECT Fault Code: 5867PID: SPN: 520953FMI: 4/4LAMP: AmberSRT:    A short to ground has been detected on the Diesel Exhaust Fluid Dosing Unit Relay Feedback signal.     Possible reduced engine performance. Circuit Description...