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

The 'service vehicle soon' light on a your car signals a non-emergency fault, often electrical or in a minor system, that the car wants inspected. It is distinct from a scheduled-maintenance reminder.

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

  1. Walk around and check all exterior lights
  2. Note any minor system acting up
  3. Scan the your car for stored codes
  4. Repair the specific fault (often a bulb or sensor)
  5. Clear the message once resolved

Related DTC Codes

CodeMeaning
P0135O2 Sensor Heater Circuit (Bank 1 Sensor 1)
The upstream oxygen sensor heater circuit is faulty, delaying accurate fuel trims after a cold start.
P0401EGR Flow Insufficient
Exhaust gas recirculation flow is too low, frequently due to a clogged EGR passage or valve.
U0100Lost Communication With ECM/PCM
A control module has lost communication on the CAN bus, which can trigger multiple warning lights.