Error Code P0650: What It Means & What To Do?

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The fault code P0650 would start triggering up when there would be some default in the control circuit of the malfunction indicator lamp and then it would be stored in the engine control module. It is the vehicle’s malfunction indicator lamp which would indicate the car drive that there is some issue in the vehicle. Now if this lamp is not functioning properly, then the driver of the car would not get aware regarding the issues which are present.

The error code P0650 can be defined as Malfunction Indicator Lamp (MIL) Control Circuit Malfunction. This fault code would start appearing when there would be some default in the computer output circuit, which can be because of a faulty electrical circuit or bulb.

This fault code is related to the defects in the computer output circuit like the failure in the internal computer. It would mean that there is some flaw in the check engine light.

What causes this problem with the Malfunction Indicator Lamp (MIL) Control Circuit Malfunction?

• Defective malfunction indicator lamp circuit
• There can be damaged, open, shorted, or corroded wiring and related electrical components in the CAN bus harness
• Faults in the malfunction indicator lamp bulb or LED
• The PCM might be flawed
• The control module ground strap wire might be loose or defective
• There can be some quirks in the CAN bus

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2. Automatic Transmission Sensor - A broken Automatic Transmission Sensor can cause a lot of issues. It would be nice if you get it replaced on time.
3. Auto Transmission Shift Solenoid - Everything is fine with the engine control module and still OBD code P0650 flashing? Then there is definitely some fault with the Auto Transmission Shift Solenoid. Get it checked and replace if needed.
4. ABS System Parts - ABS System Parts is an important car part which should never be neglected. May be there is some fault in it due to which P0650 code may start flashing.
5. Engine Control Module - A faulty Engine Control Module can be troublesome. You can always rely on us as we have best auto parts for our customers.

Our main motive is to achieve customer satisfaction as for us our customers are everything and that’s why we will help you to diagnose P0650 code by mentioning some major symptoms below:

Common Symptoms

• Illumination of the check engine or warning light
• Service engine soon lamp may not turn on when a problem is present
• Service engine soon lamp may be on when no problems are present

If you wish to correct this fault code, then you have to follow certain steps. Correcting a problem needs your careful attention. Here are some ways with the help of which you will be able to correct the OBD Code P0650:

• You can always replace the damaged or burned out bulb or LED
• Properly seat bulb for correct electrical connection
• The defective or corroded wiring and related electrical connectors should be replaced properly
• The bent pins should be straightened up and repair or replace damaged terminals
• Make sure to replace the burned-out fuses
• It is very important to restore the quirky engine control module
• All the codes should be cleared up and the vehicle should be taken out for a test drive
• Carefully rescan to see if any codes reappear

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Here are some steps which you should follow in order to diagnose this fault code:

• You must firstly use an OBD-II scanner to check for a stored P0650 trouble code
• Check to see that the lamp turns on for a few seconds when vehicle is started, and turns off shortly after
• Carefully inspect if the bulb is burned out
• Then you must ensure if the bulb is seated correctly with a proper electrical connection
• After that you should visually inspect wiring and electrical connections for signs of damage as well as corrosion
• Separate connectors and check for bent pins, broken terminals, or other signs of corrosion
• The burned-out malfunction indicator lamp fuse should be checked properly
• A digital volt/ohmmeter would be required to check for shorts to ground or open circuits

Common Mistakes When Diagnosing The P0650 Code

• You must keep one thing in mind to diagnose and repair the error codes in the same order in which they are appearing because the subsequent codes can be a symptom of a problem higher up