Cummins fault code 698 is the Cummins ISX11.9 CM2250 diagnostic trouble code for Engine ECU Temperature Sensor Circuit – Voltage Below Normal, or Shorted to Low Source. This 7-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 1136, FMI 4 with amber warning lamp, and the failure typically points to a low-voltage internal ECM temperature sensor circuit shorted to ground.
Cummins fault code 698 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 P21 · SPN 1136 · FMI 4 · Lamp Amber |
| Associated procedures | Cummins Procedures 019-031 and 019-032 |
| Revision | Last modified 20-Jan-2011 |
| Pages | 7 |
| 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 engine ECU temperature sensor 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 Cummins fault code 698 manual
Heavy-duty truck technicians and workshop owners diagnosing a low-voltage internal ECM temperature sensor circuit shorted to ground 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
