fault code 731 DTCs is the Cummins ISX11.9 CM2250 diagnostic trouble code for Engine Speed/Position Camshaft and Crankshaft Misalignment – Mechanical System Not Responding or Out of Adjustment. This 11-page troubleshooting PDF is taken from the Cummins ISX11.9 CM2250 (2010-12) service documentation and explains the circuit, the conditions that set the fault, and the guided steps used to confirm the repair. It is logged as SPN 723, FMI 7/7 with amber warning lamp, and the failure typically points to camshaft and crankshaft position signals that do not match, causing excessive smoke, hard start and rough idle.
fault code 731 DTCs document details
| Brand | Cummins |
|---|---|
| Model coverage | Cummins ISX11.9, ISB6.7, ISC8.3, ISL9 and ISX15 CM2250 |
| System / group | ISX11.9 CM2250 (2010-12) / DTCs |
| Fault code identifiers | PID S64 · SPN 723 · FMI 7/7 · Lamp Amber |
| Associated procedures | Cummins Procedures 001-016, 019-363 and 019-032 |
| Revision | Last modified 20-Jan-2011 |
| Pages | 11 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- Overview and circuit description
- Fault code reason, effect and identifiers
- Conditions for running and setting the diagnostic
- Action taken when the fault code is active
- Conditions for clearing the fault code
- Shop Talk and possible causes
- Associated procedures and guided troubleshooting steps
Applicable truck models
This diagnostic trouble code applies to Cummins ISX11.9, ISB6.7, ISC8.3, ISL9 and ISX15 CM2250 engines built in the 2010-12 CM2250 range and covers the camshaft and crankshaft misalignment circuit. Component locations vary by original equipment manufacturer, so the wiring and connector views in the manual should be read alongside the vehicle build. For calibration histories, INSITE service-tool resources and the latest revision of this Cummins troubleshooting procedure, see the Cummins engine support website.
Who needs this fault code 731 DTCs manual
Heavy-duty truck technicians and workshop owners diagnosing camshaft and crankshaft position signals that do not match, causing excessive smoke, hard start and rough idle on ISX11.9 CM2250 engines rely on this reference. It ties the INSITE reading to the correct Cummins repair procedures so the fault can be confirmed and cleared without guesswork. Reviewing the guided steps before connecting a scan tool shortens diagnosis time and helps technicians avoid replacing parts that are still good.
The full PDF is available in the DiagTechPro manuals library, where a free account is required to download it.
Related manuals library
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
