OBD Code P0650

Malfunction Indicator Lamp (MIL) Control Circuit

What’s mean?

OBD2 Code P0650 Definition:
Malfunction Indicator Lamp (MIL) is located on the instrument panel. When the ignition switch is turned ON without engine running, MIL will light up. This is a bulb check. When the engine is started, MIL should go off. If MIL remains on, the on board diagnostic system has detected an engine system malfunction.

Symptoms

Possible sumptoms of P0650
– Engine Light ON (or Service Engine Soon Warning Light)

Possible Causes

Possible causes of P0650
– Harness or connectors for the MIL circuit is open or shorted – MIL bulb may be faulty – Faulty ECM The Error code is generally activated on detection of the following conditions: – An excessively high voltage is sent to ECM through the MIL circuit under the condition that calls for MIL light up. – An excessively low voltage is sent to ECM through the MIL circuit under the condition that calls for MIL not to light up.

Possible Solutions