The automobile fault code P1643 indicates a problem with the Wait To Start Lamp. When this fault occurs, the Engine Light or Service Engine Soon Warning Light will turn on. The cause of this issue could be a faulty Wait To Start Lamp, an open or shorted harness, or a poor electrical connection in the Wait To Start Lamp circuit.
To fix this problem, you should visually inspect the wiring harness and connectors, checking for any damage or corrosion. Additionally, look for any broken, bent, pushed out, or corroded pins in the connectors.
The repair time for this issue is estimated to be around 1.0 hour.
To interpret the fault code, refer to the “Possible Causes” listed above and follow the recommended steps for inspection and repair.
| Repair Importance Level | 10.0 (Out of 10) |
| Estimated Repair Time | Approximately 1.0 hour |
| Repair Difficulty Level | 10.0 (Out of 10) |
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Unveiling The Symptoms: Decoding Fault Code P1643
When the engine light is on or the service engine soon warning light is illuminated, it could be a sign of the p1643 fault code.
- The symptoms of the automobile fault code P1643 include the Engine Light being ON or the Service Engine Soon Warning Light being illuminated.
Unveiling The Culprits: Code P1643 Possible Causes Revealed!
The automobile fault code p1643 can be caused by a faulty Wait To Start Lamp, an open or shorted Wait To Start Lamp harness, or a poor electrical connection in the Wait To Start Lamp circuit.
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- The fault code P1643 can be caused by the following: 1.
- Faulty Wait To Start Lamp.
- 2.
- Open or shorted Wait To Start Lamp harness.
- 3.
- Poor electrical connection in the Wait To Start Lamp circuit.
Fixing Code P1643: Simple Steps To Resolve The Issue!
To fix the automobile fault code p1643, start by visually inspecting the wiring harness, connectors, and components for any damage or corrosion.
- To fix the automobile fault code P1643, follow these steps: 1.
- Check the possible causes mentioned above.
- 2.
- Visually inspect the wiring harness and connectors related to the fault code.
- 3.
- Look for any damaged components.
- 4.
- Check for broken, bent, pushed out, or corroded pins in the connectors.
- The estimated repair time for this fix is 1.0 hour.
Cracking The Code: P1643 – Cost And Complexity Unveiled!
The factors influencing the cost of diagnosing and fixing the automobile fault code P1643 are the estimated repair time of 1.0 hour and the typical hourly rate charged by auto repair shops, which ranges between $75 and $150.
P1643 Fault Code: Understanding The Description And Troubleshooting Steps
When you turn the key on or start the engine, the Powertrain Control Module (PCM) checks the Wait To Start lamp.
If the PCM detects that the voltage on the lamp control circuit is too high when the lamp is requested to be on, or if the voltage is near zero when the lamp is requested to be off, it will trigger the P1643 fault code. This code specifically relates to the Wait To Start Lamp Control Circuit. It indicates that there is an issue with the circuit that controls the Wait To Start lamp, which is used to indicate when the engine is ready to start.
If you encounter this fault code, it is important to have the circuit checked and repaired to ensure proper engine operation.
FAQ
If you see the engine light or service engine soon warning light on, the fault code P1643 could be the culprit. This code is often caused by a faulty wait to start lamp or issues with the wait to start lamp harness, such as an open or shorted circuit or poor electrical connection. To fix this, visually inspect the wiring harness and connectors, checking for any damage or broken, bent, pushed out, or corroded pins. Don’t forget to also consider the possible causes listed above.
To fix the P1643 fault code, start by visually inspecting the wiring harness and connectors. Look for any damaged components and check if there are any broken, bent, pushed out, or corroded pins in the connectors. This can help identify if the issue lies with a faulty Wait To Start Lamp or if there is an open or shorted circuit. Don’t forget to check the “Possible Causes” listed above for further troubleshooting.
When resolving the P1643 fault code, start by checking for damaged components and connector’s pins. This can be done by visually inspecting the related wiring harness and connectors. Look for any signs of damage such as broken, bent, pushed out, or corroded pins. These issues can cause a poor electrical connection and lead to the engine light being on. By addressing these potential causes, you can effectively fix the problem and resolve the fault code.
Wrap Up
If your engine light is on and you’re seeing the P1643 fault code, it could be due to a faulty Wait To Start Lamp or issues with the lamp’s harness and electrical connection. To fix this, visually inspect the wiring harness and connectors, checking for any damage or corrosion.
Look out for broken or bent pins on the connectors as well.
