fault code 2777 DTCs is the Cummins ISX11.9 CM2250 troubleshooting document for Particulate Trap Active Regeneration Inhibited Due to Inhibit Switch – Condition Exists (SPN 3703, FMI 11/31). This 7-page factory guide explains the circuit, the conditions that set the code, and the guided repair steps used with the INSITE electronic service tool. The OEM truck manufacturer can install a permit switch in the dash or send an inhibit message via the J1939 data link to the engine ECM.
Official document details
| Brand | Cummins |
| Model coverage | ISX11.9 CM2250/ISB6.7 CM2250/ISC8.3 and ISL9 CM2250/ISX15 CM2250 |
| System / group | ISX11.9 CM2250 (2010-12) / DTCs |
| Fault code | 2777 (PID S390) |
| SPN / FMI | 3703 / 11/31 |
| Warning lamp | None |
| Bulletin number | 2883345 |
| Revision | Last modified 11-Jun-2010 |
| Pages | 7 |
| File size | 0.2 MB |
| Format | |
| Language | English |
fault code 2777 DTCs table of contents
- Overview and circuit description
- Component location
- Conditions for running the diagnostics
- Conditions for setting the fault code
- Action taken when the fault code is active
- Conditions for clearing the fault code
- Shop Talk and possible causes
- Associated procedures table
- Guided troubleshooting steps
Applicable truck models
This troubleshooting procedure applies to Cummins ISX11.9 CM2250/ISB6.7 CM2250/ISC8.3 and ISL9 CM2250/ISX15 CM2250 engines. The aftertreatment diesel particulate filter is located in the exhaust system and is installed by the original equipment manufacturer (OEM). The permit switch can. The document states the code is set when this fault code is triggered if the permit switch is disabled when fault code 1921, 1922, or 2639 is activated for high soot load levels in. When the code is active, no dashboard warning lamp is commanded on for this information fault code. Full specifications and procedure references are published by Cummins on the Cummins official website.
Who needs this fault code 2777 DTCs manual
Diesel technicians and workshop owners diagnosing Condition Exists on ISX11.9 CM2250 engines need this reference. The guide walks through each guided step and the INSITE electronic service tool tests required to validate the repair and clear the code. Each guided step lists the keyswitch position, the required action, and the YES or NO branch that follows.
Related manuals library
The complete PDF is available in the DiagTechPro manuals library; a free account is required to download.
Sản phẩm liên quan cho hãng này
Cùng brand theo taxonomy hiện có trong catalog WooCommerce.
Cummins Calterm Version 5.16 – Advanced ECM Control and Precision Tuning for Cummins Engines
Cummins INSITE 9.3 – The Essential Diagnostic Tool for Cummins Engines
Cummins InCal CE – The Calibration and Configuration Tool for Cummins Engines
