P0620 Pontiac Code - Generator Control Circuit Malfunction
Quick Answer
The Engine Control Module (ECM) uses the generator turn on signal circuit to control the generator. Common causes include Battery charge, Faulty Voltage Regulator, Faulty Generator. 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
- P0620 Pontiac indicates Generator Control Circuit Malfunction.
- Common causes
- Common causes include Battery charge, Faulty Voltage Regulator, Faulty Generator.
- 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 P0620 Pontiac Description
What are the Possible Causes of the DTC P0620 Pontiac?
- Battery charge
- Faulty Voltage Regulator
- Faulty Generator
- Generator harness is open or shorted
- Generator circuit poor electrical connection
- Engine Control Module (ECM) controlled generator
- Faulty ECM
How to Fix the DTC P0620 Pontiac?
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 P0620 Pontiac 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.
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Frequently Asked Questions about P0620 Pontiac Code
1. What are the common symptoms of OBDII code P0620 (Generator Control Circuit Malfunction) in a Pontiac?
- Common symptoms include issues with the charging system, dimming or flickering lights, a dead battery, or a warning light on the dashboard.
2. What are the possible causes of OBDII code P0620 in a Pontiac?
- The code P0620 in a Pontiac can be caused by a faulty generator, damaged wiring or connectors in the generator control circuit, a defective generator control module, or a drained battery.
3. How can I diagnose the OBDII code P0620 in my Pontiac?
- To diagnose the code P0620, you can use an OBDII scanner to retrieve the fault code and check the generator control module, wiring, and connectors for any visible damage or loose connections.
4. Can I still drive my Pontiac with OBDII code P0620?
- It is not recommended to drive your Pontiac with the OBDII code P0620 as it may lead to a dead battery or other electrical issues that can affect the vehicle's performance and safety.
5. What are some repair tips for fixing OBDII code P0620 in a Pontiac?
- Repair tips include checking and repairing any damaged wiring or connectors, testing the generator control module for proper function, and ensuring the battery is in good condition.
6. How much does it cost to repair OBDII code P0620 in a Pontiac?
- The cost of repairing OBDII code P0620 in a Pontiac can vary depending on the exact cause of the issue, but it typically ranges from $200 to $500 for parts and labor.
7. Can a DIY enthusiast fix OBDII code P0620 in a Pontiac?
- While some DIY enthusiasts may be able to diagnose and repair OBDII code P0620, it is recommended to have the issue addressed by a professional mechanic to ensure proper diagnosis and repair.
8. Is OBDII code P0620 a serious issue in a Pontiac?
- OBDII code P0620 can be a serious issue in a Pontiac as it can lead to a lack of charging in the electrical system, resulting in a dead battery and potential safety hazards on the road.
9. How long does it take to repair OBDII code P0620 in a Pontiac?
- The repair time for OBDII code P0620 in a Pontiac can vary depending on the exact cause of the issue and the availability of parts, but it typically takes a few hours to a full day.
10. Will resetting the OBDII code P0620 in my Pontiac make it go away permanently?
- Resetting the OBDII code P0620 in your Pontiac may temporarily clear the fault code, but if the underlying issue is not fixed, the code is likely to return. It is important to diagnose and repair the root cause of the problem.
Discuss the causes and fixes for P0620 Pontiac OBDII Code
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replaced battery, replaced alternator, checked & replaced some wires. Thought battery wasnt holding charge so got another one. Battery light been on since changed alternator.
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