Volvo SPN 3516 FMI 5: Meaning, Causes & Fix
Crankcase Filter Restriction — open circuit detected in crankcase ventilation filter pressure sensor per Volvo EPA 2013 GHG Phase 1 compliance
Diagnostic Reference
| Field | Details |
|---|---|
| Code | SPN 3516 FMI 5 |
| Protocol | J1939 SPN: 3516 FMI: 5 |
| Component | Crankcase Ventilation Filter / CCV Pressure Sensor |
| Manufacturer | Volvo |
| Engine Series | D13 |
| Severity | |
| SAE Reference | SAE J1939-73 Digital Annex — SPN 3516, FMI 5 |
Possible Causes
- CCV filter element saturated with oil sludge blocking sensor tube port (common at 300,000+ miles on D13)
- Pressure sensor connector corroded from oil exposure in engine valley
- Sensor signal wire broken at firewall pass-through grommet
- CCV filter housing cracked causing sensor mounting instability
- Sensor internal thermistor failure from prolonged oil vapor exposure
Diagnostic & Repair Procedure
- Step 1: Inspect CCV filter element: remove from housing and check for oil saturation
- Step 2: Check sensor connector pins for oil contamination — clean with electrical contact cleaner
- Step 3: Measure sensor resistance: should be 500-700 ohms at 20°C
- Step 4: Pressure-test CCV system: crankcase pressure should be 0-2 kPa at idle
- Step 5: Trace sensor wiring from engine valley to ECM for breaks or oil soaking
Frequently Asked Questions
How far can I drive with this code?
This CHECK AT NEXT STOP code allows continued operation to a safe service location, typically within 50–100 miles. Reduce engine load (avoid steep grades, reduce cruising speed) and monitor related gauges closely. If secondary symptoms develop — smoke, unusual noise, temperature spike — pull over immediately.
Will this cause permanent engine damage if I keep driving?
If addressed promptly at the next stop, permanent damage is unlikely. However, prolonged operation (200+ miles) with this fault active can escalate the issue. For example, DEF system faults will eventually trigger a full derate and speed limitation to 5 mph. Some CHECK NEXT STOP conditions degrade into STOP ENGINE faults if the root cause worsens — do not postpone service indefinitely.
Can I diagnose this myself or do I need a mechanic?
You can attempt the diagnostic steps listed above. Many CHECK NEXT STOP codes have straightforward causes — low fluid levels, clogged filters, or loose connectors — that an owner-operator can address. However, if the code returns after clearing, the underlying fault requires professional diagnosis with a scan tool capable of viewing live data and freeze-frame information.
Related Fault Codes — D13
SPN 4364 FMI 18
🔴 STOP ENGINE
SPN 4375 FMI 7
SPN 174 FMI 0
SPN 3031 FMI 9
🟠 CHECK SOON
MID 128 PSID 90 FMI 4
🟠 CHECK SOON
SPN 107 FMI 16
🟠 CHECK SOON
Associated Symptoms
References & Further Reading
- SAE J1939-73: Application Layer — Diagnostics. SAE International. Defines SPN 3516 / FMI 5 fault code semantics for heavy-duty CAN networks. SAE J1939 Standard
- Volvo D13 Service Manual: OEM diagnostic procedures for Crankcase Ventilation Filter / CCV Pressure Sensor faults. Consult the official Volvo service documentation for your specific engine serial number.
- TMC RP 1210: Recommended Practice for Windows-Based Vehicle Diagnostic Interface. Technology & Maintenance Council (TMC) of American Trucking Associations.