Engine Error
P0650
Malfunction Indicator Lamp (MIL) Control Circuit
Severity
Medium
Symptoms
Check engine light does NOT turn on during bulb check (key on, engine off), failed emissions
Common Causes
- Burned out MIL/Check Engine Light bulb
- Open circuit in instrument cluster wiring
- Failed instrument cluster
- PCM fault
How to Fix
- 1 Replace instrument cluster bulb/LED
- 2 Repair wiring to instrument cluster
- 3 Repair or replace instrument cluster
- 4 Test PCM MIL driver
Estimated Repair Cost
USD
$50
–
$600
Bulb replacement (labor intensive): $100 - $250; Cluster repair: $300 - $600