B1643 RAM Code - Rear Left Turn Control Circuit Low
Quick Answer
The Total Integrated Power Module (TIPM) monitors the Rear Left Turn Control. Common causes include Faulty Rear Left Turn Signal Lamp, Rear Left Turn Signal Lamp harness is open or shorted, Rear Left Turn Signal Lamp 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
- B1643 RAM indicates Rear Left Turn Control Circuit Low.
- Common causes
- Common causes include Faulty Rear Left Turn Signal Lamp, Rear Left Turn Signal Lamp harness is open or shorted, Rear Left Turn Signal Lamp 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 B1643 RAM Description
What are the Possible Causes of the DTC B1643 RAM?
- Faulty Rear Left Turn Signal Lamp
- Rear Left Turn Signal Lamp harness is open or shorted
- Rear Left Turn Signal Lamp circuit poor electrical connection
- Faulty Total Integrated Power Module (TIPM)
How to Fix the DTC B1643 RAM?
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 B1643 RAM 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 B1643 RAM Code
1. What are the common symptoms of OBDII code B1643 RAM Rear Left Turn Control Circuit Low?
- Common symptoms include the left turn signal not working properly, fast blinking of the turn signal, or the turn signal staying on constantly.
2. What can cause the OBDII code B1643 RAM Rear Left Turn Control Circuit Low?
- This code is typically caused by a malfunction in the rear left turn signal circuit, such as a damaged wire, faulty turn signal bulb, or a problem with the turn signal switch.
3. How can I diagnose the OBDII code B1643 RAM Rear Left Turn Control Circuit Low?
- You can diagnose this code by checking the rear left turn signal bulb, inspecting the wiring harness for any damage, and testing the turn signal switch for proper functionality.
4. Can a blown fuse cause the OBDII code B1643 RAM Rear Left Turn Control Circuit Low?
- Yes, a blown fuse in the turn signal circuit can also trigger this code. It is recommended to check the fuse for the left turn signal and replace it if necessary.
5. How do I repair OBDII code B1643 RAM Rear Left Turn Control Circuit Low?
- To repair this code, you may need to replace the rear left turn signal bulb, repair any damaged wiring, or replace the turn signal switch if it is faulty.
6. Will driving with the OBDII code B1643 RAM Rear Left Turn Control Circuit Low affect vehicle safety?
- Driving with this code may affect the safety of your vehicle, as other drivers may not be able to properly see your turn signals, increasing the risk of accidents.
7. Can a DIY enthusiast fix the OBDII code B1643 RAM Rear Left Turn Control Circuit Low?
- Depending on your skill level and experience, a DIY enthusiast may be able to diagnose and repair this code by following a repair manual specific to your vehicle's make and model.
8. Is it necessary to clear the OBDII code B1643 RAM Rear Left Turn Control Circuit Low after making repairs?
- Yes, it is important to clear the code using an OBDII scanner after making repairs to ensure the issue has been resolved and the warning light does not reappear.
9. How much does it cost to repair the OBDII code B1643 RAM Rear Left Turn Control Circuit Low at a professional auto repair shop?
- The cost of repairs for this code can vary depending on the underlying issue, but it typically ranges from $100 to $300, including parts and labor.
10. Can extreme weather conditions affect the occurrence of OBDII code B1643 RAM Rear Left Turn Control Circuit Low?
- Extreme weather conditions, such as heavy rain or snow, can potentially damage the wiring or components in the turn signal circuit, leading to the triggering of this code.
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