Urgency: Moderate
Service Vehicle Soon Light
Investigate soon. Driving short distances is generally okay, but book a diagnostic check.
What the Service Vehicle Soon Light Means
On the your car, this light means the diagnostics have flagged an issue — commonly lighting, a body control fault, or a minor sensor — that should be checked but is rarely an immediate hazard.
Common Causes
- Exterior bulb or lighting fault
- Body control module issue
- Minor sensor fault
- Charging or electrical glitch
- Related stored trouble code
How to Fix It
- Walk around and check all exterior lights
- Note any minor system acting up
- Scan the your car for stored codes
- Repair the specific fault (often a bulb or sensor)
- Clear the message once resolved
Related DTC Codes
| Code | Meaning |
|---|---|
P0135 | O2 Sensor Heater Circuit (Bank 1 Sensor 1) The upstream oxygen sensor heater circuit is faulty, delaying accurate fuel trims after a cold start. |
P0401 | EGR Flow Insufficient Exhaust gas recirculation flow is too low, frequently due to a clogged EGR passage or valve. |
U0100 | Lost Communication With ECM/PCM A control module has lost communication on the CAN bus, which can trigger multiple warning lights. |