Detroit SPN3216 FMI21 sensor is covered by this 3-page Detroit service bulletin, document 1206 13. The extract identifies SPN 3216/FMI 21 and describes SCR Inlet NOx Sensor – Drift (Low Box). This library reference keeps the document scope visible for workshop use and does not add specifications or repair steps that are not present in the source.
Official Detroit SPN3216 FMI21 sensor document details
| Brand | Detroit |
| Model coverage | DD13&15 / DD Service Bulletins / DD Service Bulletins / Electronics & TS Manual 2013 |
| System / Group | DD13&15 / DD Service Bulletins / DD Service Bulletins / Electronics & TS Manual 2013 |
| Publication no. | 1206 13 |
| Year / Revision | December 2013 |
| Pages | 3 |
| File size | 0.2 MB |
| Format | |
| Language | English |
Document table of contents
- SPN 3216/FMI 21 (MCM) December 2013
- SPN 3216/FMI 21 document information
- SCR Inlet NOx Sensor – Drift (Low Box)
- Diagnostic checks and verification guidance
- Workshop service procedure notes
Applicable truck models
This file is cataloged by Detroit in the DD13&15 / DD Service Bulletins / DD Service Bulletins / Electronics & TS Manual 2013 group. The extract states SPN 3216/FMI 21 (MCM) December 2013. It does not provide a separate vehicle model roster in the sampled text, so this page does not extend coverage beyond the manufacturer document. Mechanics should confirm vehicle configuration and active faults before applying a diagnostic decision. For manufacturer information, visit Detroit official resources.
Who needs this SPN3216 FMI21 sensor manual
Technicians investigating SPN 3216/FMI 21 can use this SPN3216 FMI21 sensor reference to identify the bulletin and review its documented checks. Workshop owners can keep the 1206 13 publication with the corresponding vehicle service records, then follow the source procedure and verify the repair as instructed.
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