P0650 Infiniti Code - Malfunction Indicator Lamp Control Circuit Malfunction
Quick Answer
Malfunction Indicator Lamp (MIL) is located on the instrument panel. Common causes include Faulty Malfunction Indicator Lamp Bulb, Malfunction Indicator Lamp Bulb harness is open or shorted, Malfunction Indicator Lamp Bulb circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P0650 Infiniti indicates Malfunction Indicator Lamp Control Circuit Malfunction.
- Common causes
- Common causes include Faulty Malfunction Indicator Lamp Bulb, Malfunction Indicator Lamp Bulb harness is open or shorted, Malfunction Indicator Lamp Bulb circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P0650 Infiniti Description
What are the Possible Causes of the DTC P0650 Infiniti?
- Faulty Malfunction Indicator Lamp Bulb
- Malfunction Indicator Lamp Bulb harness is open or shorted
- Malfunction Indicator Lamp Bulb circuit poor electrical connection
- Faulty Engine Control Module (ECM)
How to Fix the DTC P0650 Infiniti?
Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.
What is the Cost to Diagnose the Code?
Labor: 1.0
To diagnose the P0650 Infiniti code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.
Need more information about the P0650 Infiniti code?
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Information for Specific Infiniti Models
- P0650 2003 Infiniti G35 — Malfunction Indicator Lamp Control Circuit Malfunction
- P0650 2004 Infiniti G35 — Malfunction Indicator Lamp Control Circuit Malfunction
- P0650 2005 Infiniti G35 — Malfunction Indicator Lamp Control Circuit Malfunction
- P0650 2006 Infiniti G35 — Malfunction Indicator Lamp Control Circuit Malfunction
Frequently Asked Questions about P0650 Infiniti Code
1. What does the OBDII code P0650 mean on an Infiniti?
P0650 indicates a malfunction in the Malfunction Indicator Lamp (MIL) control circuit, which can prevent the check engine light from functioning properly.
2. What are the common symptoms of code P0650 on an Infiniti?
The most common symptom is that the check engine light does not illuminate when it should. Other symptoms may include no noticeable driving issues.
3. What causes the P0650 code on an Infiniti?
Common causes include a faulty MIL bulb, a damaged MIL circuit, a malfunctioning Powertrain Control Module (PCM), or wiring issues like corrosion or short circuits.
4. Can I still drive my Infiniti with a P0650 code?
Yes, you can typically drive with a P0650 code, but it’s important to address it because the check engine light may not function to alert you of other issues.
5. How do I diagnose the P0650 code on an Infiniti?
Start by checking the MIL bulb and fuse, inspect wiring and connectors for damage, and test the circuit for proper voltage. If no issues are found, the PCM may need further testing.
6. How do I fix a P0650 code on my Infiniti?
Repairs may include replacing the MIL bulb, fixing or replacing damaged wiring, repairing corroded connectors, or replacing the PCM if it’s faulty.
7. What tools are needed to troubleshoot the P0650 code?
You’ll need an OBDII scanner, a multimeter to test circuits, and possibly a wiring diagram for your Infiniti’s MIL circuit.
8. How much does it cost to repair a P0650 code on an Infiniti?
Costs vary depending on the issue. Replacing a bulb or fixing wiring might cost $50-$200, while a new PCM could cost $500-$1,200 including labor.
9. Can a dead battery cause the P0650 code on an Infiniti?
A dead or weak battery can sometimes lead to electrical issues, but it is not a common cause of the P0650 code. However, it’s worth checking your vehicle’s electrical system.
10. Does the P0650 code always mean the PCM is bad?
No, the PCM is rarely the cause of a P0650 code. Most issues are related to the bulb, wiring, or connectors. Always rule out simpler causes first.
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