B1640 RAM Code - Front Right Turn Control Circuit High
Quick Answer
The Body Control Module (BCM) receives a communication network message from the Steering Column Control Module (SCCM) requesting turn signal lamp illumination. Common causes include Blown Front Right Park and Turn Signal Bulb, Faulty Front Right Turn Lamp, Front Right Turn Lamp harness is open or shorted. 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
- B1640 RAM indicates Front Right Turn Control Circuit High.
- Common causes
- Common causes include Blown Front Right Park and Turn Signal Bulb, Faulty Front Right Turn Lamp, Front Right Turn Lamp harness is open or shorted.
- 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 B1640 RAM Description
What are the Possible Causes of the DTC B1640 RAM?
- Blown Front Right Park and Turn Signal Bulb
- Faulty Front Right Turn Lamp
- Front Right Turn Lamp harness is open or shorted
- Front Right Turn Lamp circuit poor electrical connection
- Faulty Body Control Module (BCM)
How to Fix the DTC B1640 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 B1640 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 B1640 RAM Code
1. What are the common symptoms of OBDII code B1640 RAM related to the Front Right Turn Control Circuit High?
- The common symptoms include the front right turn signal not functioning properly, the turn signal staying on constantly, or the turn signal blinking rapidly.
2. What are the possible causes of OBDII code B1640 RAM indicating a Front Right Turn Control Circuit High?
- Possible causes include a faulty front right turn signal bulb, a damaged turn signal wiring harness, a malfunctioning turn signal switch, or a problem with the body control module.
3. How can I diagnose the Front Right Turn Control Circuit High issue related to code B1640 RAM?
- You can start by visually inspecting the front right turn signal bulb, checking the wiring for any signs of damage, testing the turn signal switch, and using a scan tool to read the trouble codes stored in the body control module.
4. Can a DIY enthusiast repair the Front Right Turn Control Circuit High problem caused by OBDII code B1640 RAM?
- Yes, some simple repairs such as replacing the front right turn signal bulb or repairing a damaged wiring harness can be done by DIY enthusiasts. However, more complex issues may require professional help.
5. What are some tips for repairing the Front Right Turn Control Circuit High issue associated with code B1640 RAM?
- Ensure the turn signal bulb is the correct type and properly installed, carefully inspect and repair any damaged wiring, and reset the trouble codes after making any necessary repairs.
6. Is it safe to drive with OBDII code B1640 RAM indicating a Front Right Turn Control Circuit High issue?
- It is not recommended to drive with this issue as it can affect the visibility of your vehicle to other drivers, potentially leading to accidents.
7. How much does it typically cost to repair the Front Right Turn Control Circuit High problem linked to code B1640 RAM?
- The cost of repair can vary depending on the exact cause of the issue and whether you choose to do the repairs yourself or take your vehicle to a professional mechanic. Costs may range from a few dollars for a new bulb to a few hundred dollars for more complex repairs.
8. Can a Front Right Turn Control Circuit High issue caused by OBDII code B1640 RAM affect other electrical systems in the vehicle?
- Yes, a malfunction in the turn signal circuit can sometimes impact other electrical systems controlled by the body control module, leading to further complications if left unaddressed.
9. How do I prevent the Front Right Turn Control Circuit High issue associated with OBDII code B1640 RAM from occurring again in the future?
- Regularly checking and maintaining your vehicle's turn signal system, using high-quality replacement parts, and addressing any electrical issues promptly can help prevent this problem from reoccurring.
10. Can extreme weather conditions affect the Front Right Turn Control Circuit High problem related to code B1640 RAM?
- Yes, extreme weather conditions such as heavy rain or snow can potentially cause water damage to the turn signal components, leading to malfunctions and triggering the Front Right Turn Control Circuit High issue.
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