Service Buddy
Electrical

Code P0650

Malfunction Indicator Lamp Circuit

Plain English Meaning:Check engine light circuit issue

Green: Safe to Drive

Only affects warning light

P0650 Symptoms

  • Light not working properly

Most Common Causes of P0650

1Faulty bulb wiring ECU issue

P0650 Repair Playbook

Required Mechanic Tests

A qualified shop should perform these tests before replacing any parts to ensure they aren't guessing:

Test lamp circuit

Typical Fix Paths & Estimated Costs

Repair circuit $50–$200