P0650 Fault Code
P0650 OBD-II Trouble Code Short Description
Malfunction Indicator Lamp (MIL) Control Circuit Malfunction
What does trouble code P0650 mean?
The P0650 fault code indicates a malfunction in the Malfunction Indicator Lamp (MIL) control circuit. This circuit is crucial for the proper functioning of the vehicle's onboard diagnostics system, and any issues can prevent the MIL from illuminating when there is a fault in the engine or emissions system.
Symptoms
What are the symptoms of the P0650 code?
- Malfunction Indicator Lamp (MIL) not illuminating
- Inconsistent operation of warning lights
- Possible failure of emissions testing
- Engine performance issues may occur due to ignored fault codes
Causes
What causes the P0650 code?
- Faulty MIL bulb or LED
- Damaged wiring in the MIL control circuit
- Faulty Engine Control Module (ECM)
- Poor connections in the circuit
- Issues with the vehicle's diagnostic system
Possible Solutions
How to fix P0650?
- Inspect the MIL bulb or LED for functionality
- Check wiring and connectors for damage or corrosion
- Test the Engine Control Module (ECM) for faults
- Repair or replace damaged components in the circuit
- Clear the codes and perform a drive cycle to verify the fix