Code result
P0650
Malfunction Indicator Lamp (MIL) Control Circuit Malfunction
Moderate severity
What it means
A fault in the wiring or control circuit between the ECU and the malfunction indicator lamp (MIL). The MIL may stay on permanently, fail to light at key-on, or flicker — the OBD-II self-check on the bulb itself failed.
Is it safe to drive?
Use caution
The vehicle is usually drivable for short distances, but the problem can worsen or affect emissions. Diagnose and repair as soon as practical.
Most likely causes
MIL bulb burnt out (older clusters)
mediumA plausible cause — test and verify before replacing parts.
Instrument cluster MIL driver failed
mediumA plausible cause — test and verify before replacing parts.
Wiring fault between ECU and cluster
lowLess common, but worth ruling out after the more likely causes.
Related help
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