Code Details
| Display code | Navistar Aware SPN 701 FMI 3 |
|---|---|
| SPN | 701 |
| FMI | 3 |
| OEM code | Navistar / International Aware SPN 701 FMI 3 |
| Manufacturer | Navistar / International |
| System | Aware Vehicle Intelligence / Telematics |
| Component | Power supply / voltage input |
| Source address | Unknown or not applicable |
| Severity | medium |
| Review status | ai source checked |
| Source confidence | high |
| Last reviewed | 2026-05-05 |
Plain-English Meaning
In plain English, this Navistar Aware record points to power supply / voltage input context. The source table identifies the monitored message as Analog Input 1 - Voltage above normal or shorted high - Grey connector, Pin 9. Treat that label as a starting point for understanding the alert, not as a final parts diagnosis.
The Navistar XML table maps SPN 701 FMI 3 to message Analog Input 1 - Voltage above normal or shorted high with comment Grey connector, Pin 9. The probable-cause field is used only as a factual cue and is paraphrased here rather than copied as a repair instruction.
Common Symptoms
- Telematics, body-builder, or fleet portal alert may be present
- A scan tool or Navistar-related diagnostic view may show the SPN/FMI
- Vehicle data, position, power, or communication information may appear incomplete depending on the code
- Symptoms may vary by vehicle configuration and active/inactive status
Possible Causes
Possible causes may include the items below. The list is not a parts diagnosis.
- Power supply / voltage input wiring, connector, signal, configuration, or data availability concerns may be involved
- Power supply, ignition input, vehicle data, or telematics communication issues can be related depending on the exact source label
- Recent body-builder wiring, module replacement, accessory installation, or configuration changes should be considered
- Related J1939, power, network, or telematics codes should be reviewed before drawing conclusions
First Checks
- Record the SPN/FMI, active status, vehicle model, module reporting the code, and any related messages.
- Check whether related power, J1939, body-controller, telematics, or network codes are also active.
- Look for obvious loose connectors, damaged harness routing, or recent wiring changes without modifying safety or emissions systems.
- Verify the final interpretation with Navistar service information, the correct diagnostic software, or a qualified technician.
Can I Keep Driving?
Severity depends on active status, warning lamps, affected system, and related codes. Stop safely for red stop lamps, brake warnings, oil pressure warnings, high coolant temperature warnings, severe derate, or any abnormal vehicle-control concern.
Related Lookup Pages
Sources
- Navistar Aware Vehicle Intelligence Diagnostic Trouble Codes S08312 Navistar / International Truck Body Builder · oem · accessed 2026-05-05 · confidence high
Source: Navistar / International Truck Body Builder, Navistar Aware Vehicle Intelligence Diagnostic Trouble Codes S08312. This page paraphrases factual fields only and is not a substitute for the original document.
Open source
FAQ
Is Navistar Aware SPN 701 FMI 3 source-backed?
Yes. The SPN/FMI mapping comes from Navistar's public Aware Vehicle Intelligence DTC XML table. This page adds conservative educational context and does not copy repair procedures.
Does Navistar Aware SPN 701 FMI 3 prove that power supply / voltage input has failed?
No. A DTC identifies a monitored condition. Wiring, power, data availability, configuration, and related codes may all matter before a repair decision.
Can I keep driving with Navistar Aware SPN 701 FMI 3?
This page cannot make that decision. Check warning lamps, active status, vehicle behavior, and fleet or OEM guidance. Stop safely for red stop lamps, brake warnings, oil pressure, coolant temperature, or severe derate conditions.